A / Put your bearing on the grid as shown in the diagram.
B / Mark the outline of the outer ring. For more convenience, use a pencil with a fine point.
C / For ease of reading, do not hesitate to draw lines to the axes and then take the measurement.
3rd step: the thickness of the bearing
A / In the same way as for the outer diameter and the bore, place your bearing on the edge on the grid as shown in the diagram.
B / Draw the outer contour.
C / For ease of reading, do not hesitate to draw lines to the axes and then take the measurement.
Conclusion :
You now have 3 measuring elements that will allow you to identify your bearing: the inside diameter (or bore), the outside diameter, and the thickness.
You can postpone these measurements in our bearing search tool on our website
FAQ
1.How many is the MOQ of your company? Our company MOQ is 1pcs.
2.Could you accept OEM and customize? YES, OEM is accepted and we can customize for you according to sample or drawing.
3.How do you guaranee the quality? Evaluate the samples and drawings before production Eva;iate the production process,and following it in schedual,guarantee the delievery time in time. Evaluate the bearing dimension,clearance,noise,rotations of final productions. Evaluate the fause products,block it and make an improve action.
4.Do you have stocks? YES, we have most of the bearings showing on made in china in stock,please contact us for order details.
5.Do you have only Hubs Wheel Auto Bearing?
YES,we have more others types bearings,ANY BEARING YOU CAN THINK OF NOW,WE HAVE!
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Cage Type:
Iron, Steel, Brass
Super Finished Rollers or Not:
Both Are Available
Silver Chamfer or Black Chamfer:
Both Are Available
OEM Available or Not:
Available
Rolling Body:
Roller Bearings
The Number of Rows:
Single
Samples:
US$ 1/Piece 1 Piece(Min.Order)
|
Request Sample
Customization:
Available
|
Customized Request
Are there specific considerations for choosing self-aligning bearings in applications with challenging operating conditions or varying misalignment requirements?
Yes, there are specific considerations to take into account when choosing self-aligning bearings for applications with challenging operating conditions or varying misalignment requirements. Here’s a detailed explanation:
Operating Conditions:
When selecting self-aligning bearings for challenging operating conditions, it’s important to consider factors such as temperature, speed, load, and environmental conditions. High temperatures, extreme speeds, heavy loads, and harsh environments can all impact the performance and durability of the bearing. In such cases, it may be necessary to choose self-aligning bearings with special heat-resistant materials, high-speed capabilities, increased load-carrying capacity, or enhanced corrosion resistance. Additionally, proper lubrication selection and maintenance practices become crucial to ensure optimal performance and longevity of the bearings.
Misalignment Requirements:
Self-aligning bearings are specifically designed to accommodate misalignment between the shaft and the housing. However, different applications may have varying misalignment requirements. It’s important to consider the magnitude and type of misalignment that the bearing will experience. Some self-aligning bearings can accommodate larger misalignments, while others are designed for smaller or specific types of misalignments, such as angular or parallel misalignment. Understanding the misalignment characteristics of the application is essential to select the appropriate self-aligning bearings that can effectively handle the expected misalignment conditions.
Load Capacity and Dynamic Performance:
In applications with challenging operating conditions, it’s crucial to assess the load capacity and dynamic performance requirements of the self-aligning bearings. Heavy loads, shock loads, or vibrations can significantly affect the bearing’s performance and service life. It’s important to choose self-aligning bearings with adequate load-carrying capacity, high shock resistance, and robust construction to withstand the demanding conditions. Additionally, the dynamic performance of the bearing, including factors such as rotational speed, acceleration, and deceleration, should be carefully evaluated to ensure that the selected bearings can meet the application’s performance requirements.
Sealing and Contamination Prevention:
In challenging operating conditions, effective sealing and contamination prevention become crucial for self-aligning bearings. Dust, dirt, moisture, and other contaminants can significantly impact the bearing’s performance and service life. It’s important to select self-aligning bearings with appropriate sealing solutions, such as contact seals, non-contact seals, or hybrid seals, depending on the specific application requirements. These seals help prevent the ingress of contaminants and maintain the integrity of the bearing’s internal components, ensuring reliable operation even in harsh environments.
Lubrication and Maintenance:
Lubrication and maintenance practices are critical considerations for self-aligning bearings in challenging operating conditions. Proper lubrication selection, including the choice of lubricant type, viscosity, and replenishment frequency, is essential to ensure optimal bearing performance and minimize the risk of premature wear or failure. Additionally, adhering to appropriate maintenance practices, such as regular inspections, re-lubrication, and monitoring of operating conditions, can help identify any potential issues early on and prevent costly downtime or unexpected failures.
By considering these specific factors and requirements, engineers can choose the most suitable self-aligning bearings for applications with challenging operating conditions or varying misalignment requirements. Taking into account the unique demands of the application ensures optimal performance, durability, and reliability of the self-aligning bearings in even the most demanding environments.
Can self-aligning bearings be customized or modified for unique industrial needs?
Yes, self-aligning bearings can be customized or modified to meet unique industrial needs. Here’s a detailed explanation:
Customized Designs:
Manufacturers of self-aligning bearings often offer customization options to accommodate specific industrial requirements. These customization options can include:
Size and Dimensions: Self-aligning bearings can be customized to different sizes and dimensions, allowing them to fit specific equipment or space constraints within an industrial setting.
Load Capacity: Manufacturers can modify self-aligning bearings to handle higher or lower load capacities based on the unique demands of an application. This can involve altering the bearing’s internal geometry, material selection, or heat treatment processes.
Operating Conditions: Customizations can be madeto enhance the performance of self-aligning bearings in specific operating conditions. For example, the bearing’s materials, lubrication, or sealing arrangements can be tailored to withstand extreme temperatures, corrosive environments, or high levels of contamination.
Mounting Configurations: Self-aligning bearings can be customized to meet specific mounting requirements. This may involve modifying the bearing’s outer ring, inner ring, or flange configurations to ensure proper fit and alignment within a particular industrial setup.
Sealing and Protection: Manufacturers can provide customized sealing arrangements to prevent the ingress of contaminants or protect the bearing from harsh external conditions. This can include adding specialized seals, shields, or coatings to enhance the bearing’s durability and longevity.
Lubrication: The lubrication requirements of self-aligning bearings can be customized based on the application’s specific needs. Manufacturers can offer different lubrication options, such as solid lubricants or specialized greases, to optimize performance and minimize maintenance requirements.
Collaboration with Manufacturers:
When unique industrial needs arise, it is advisable to collaborate closely with the bearing manufacturer or consult with bearing experts. They can provide technical expertise and guidance to assess the specific requirements and propose suitable customizations or modifications to the self-aligning bearings.
It is important to note that customization or modification of self-aligning bearings may involve additional costs and lead time for manufacturing. Therefore, a thorough evaluation of the application’s needs, cost-benefit analysis, and discussions with the manufacturer are essential to determine the feasibility and effectiveness of the customization process.
By leveraging the customization options offered by bearing manufacturers and working in collaboration with experts, self-aligning bearings can be tailored to meet the unique demands of various industries, ensuring optimal performance, reliability, and longevity in specific industrial applications.
What are the common types of self-aligning bearings, such as spherical or barrel roller bearings?
There are several common types of self-aligning bearings, each offering unique features and advantages. Here’s a detailed explanation of some of the common types:
Spherical Roller Bearings:
Spherical roller bearings are one of the most common types of self-aligning bearings. They have a spherical outer ring raceway and two rows of barrel-shaped rollers positioned between the inner and outer rings. This design allows for the accommodation of misalignment and provides high radial load-carrying capacity. Spherical roller bearings are commonly used in heavy-duty applications, such as mining equipment, paper mills, and crushers.
Barrel Roller Bearings:
Barrel roller bearings, also known as toroidal roller bearings, have a barrel-shaped roller arrangement with a concave outer ring raceway and a convex inner ring raceway. This design enables the bearing to accommodate misalignment and axial displacement. Barrel roller bearings are suitable for applications with high radial loads and moderate axial loads, such as in conveyor systems, printing presses, and industrial gearboxes.
Self-Aligning Ball Bearings:
Self-aligning ball bearings consist of an inner ring with two rows of balls and an outer ring with a spherical raceway. The design allows for misalignment compensation and is particularly suited for applications with low to moderate radial loads and moderate axial loads. Self-aligning ball bearings are commonly used in electric motors, pumps, and automotive applications.
Self-Aligning Thrust Roller Bearings:
Self-aligning thrust roller bearings are designed to accommodate misalignment in applications with axial loads. They have a spherical rolling element between the shaft washer and the housing washer, allowing for misalignment compensation. These bearings are commonly used in applications such as screw conveyors, heavy machinery, and marine propulsion systems.
Adapter Sleeve Bearings:
Adapter sleeve bearings are a type of self-aligning bearing that incorporates an adapter sleeve, which facilitates easy mounting and dismounting of the bearing. They are commonly used in applications where frequent bearing replacement or adjustment is required. Adapter sleeve bearings are often employed in conveyor systems, agricultural machinery, and textile equipment.
These are just a few examples of common types of self-aligning bearings. Other variations and specialized designs exist to suit specific application requirements. It’s important to consider factors such as load capacity, operating conditions, and dimensional constraints when selecting the appropriate self-aligning bearing for a particular application.
Auto Parts Self-Aligning Needle Bearing High Misalignment Precision Spherical Roller Bearing
Product Description
Spherical roller bearings
Spherical roller bearings have 2 rows of rollers, a common sphered outer ring raceway and 2 inner ring raceways inclined at an angle to the bearing axis. The centre point of the sphere in the outer ring raceway is at the bearing axis. Therefore the bearings are self-aligning and insensitive to misalignment of the shaft relative to the housing, which can be caused, for example, by shaft deflection. Spherical roller bearings are designed to accommodate heavy radial loads, as well as heavy axial loads in both directions.
Product Parameters
Detailed Photos
Company Profile
HangZhou HONGSHI MACHINERY AND ELECTRICAL EQUIPMENT CO.,LTD. (formerly HangZhou Hengmai Bearing Co., Ltd.) was established in 2007, and HMMH is our own brand. HMMH mainly produces spherical roller bearings, pillow block ball bearing, deep groove ball bearings and cylindrical roller bearings. Spherical roller bearing products range from 20mm to 1M, with the main production of crusher bearings 22300 series. Low noise deep groove ball bearings, product accuracy can reach ZV2, ZV3, ZV4, mainly produces motor bearings 6200, 6300 series. pillow block ball bearing, mainly producing UCP, UCF, UCFL, UCFC, UCT series, the products are mainly used in agricultural machine and peeling machine. We also use the bainite quenching process to ensure the hardness of the bearing, using good testing equipment, such as roundness meter, profiler, roughness meter, universal measuring instrument, spectrometer, metallographic microscope to control each detail quality monitoring.
To ensure product quality, we have established a strict quality control system and an experienced team of engineers and after-sales service. From forgings to final products we have a strict quality control system.
Your needs are our production motivation, and your satisfaction is our goal. We are willing to serve our customers with the goal of “Quality First, Service First, Credit First”.
FAQ
1.A:How can I do customized design? Q:We are request for the drawing with the measurement, material and other speicifcation as details as you can, and for the customized products, our MOQ is 10 pcs per design
2.Q: How can I get a sample? A: If you only need 1or 2 samples for small size inner weight below 2kgs, we can supply free samples and we have stocks, you can just pay the shipping cost .if you need several design samples, then you should paid the cost with shipping.
3.Q: What package do you usually use? A: Usually we use single box or tape. Also according to customer’s special requirement.
4.Q:How long do you need for production? Or what’s your production lead time? A:Usually could be sent our in 2-3 days if in stock for samples. Customized item usually need 14-30 days to produce.
5.Q:How long will you guarantee your quality? A:We supply test report and quality control photos from materials to finished goods during production.
6.Q:How to do after sale service? A:Good after-sale service is our promise. Before placing orders, our professional engineer will discuss all technical data and your bearing usage condition and CZPT you what kind of steel materials to fit your products and usage life possible.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Product Name:
Spherical Roller Bearing
Quality:
High Quality
Rolling Body:
Roller Bearings
The Number of Rows:
Double
Outer Dimension:
Large (200-430mm)
Material:
Bearing Steel
Customization:
Available
|
Customized Request
How do innovations and advancements in self-aligning bearing technology impact their use?
Advancements and innovations in self-aligning bearing technology have a significant impact on their use in various industries. Here’s a detailed explanation:
Improved Performance:
Innovations in self-aligning bearing technology often result in improved performance characteristics. These advancements can include:
Load Capacity: New bearing designs and materials can enhance the load-carrying capacity of self-aligning bearings, allowing them to withstand higher loads or operate under more demanding conditions.
Speed Capability: Advancements in bearing manufacturing techniques and materials can increase the maximum rotational speed at which self-aligning bearings can operate effectively, enabling their use in high-speed applications.
Friction Reduction: Innovations in bearing design, lubrication, and surface treatments contribute to reducing friction and energy losses, resulting in improved efficiency and reduced operating costs.
Sealing and Contamination Resistance: New sealing technologies and materials can enhance the sealing performance of self-aligning bearings, providing better protection against contaminants, moisture, and harsh environmental conditions.
Temperature and Corrosion Resistance: Advances in bearing materials and coatings enable self-aligning bearings to withstand extreme temperatures, aggressive chemicals, and corrosive environments, expanding their range of applications.
Extended Service Life:
Innovations in self-aligning bearing technology often result in improved durability and longevity. These advancements can include:
Materials: The development of new bearing materials, such as advanced steels, ceramics, or composites, can significantly enhance the bearing’s resistance to wear, fatigue, and surface damage, leading to extended service life.
Lubrication: Advancements in lubrication technologies, such as the use of solid lubricants or advanced grease formulations, can provide better film formation, reduce friction, and minimize wear, thereby increasing the bearing’s operating life.
Surface Treatments: Innovative surface treatments, such as coatings or finishes, can improve the bearing’s resistance to corrosion, wear, and fretting, contributing to longer service intervals and reduced maintenance requirements.
Condition Monitoring: The integration of sensor technologies and data analytics in self-aligning bearings enables real-time monitoring of operating conditions, allowing for proactive maintenance and early detection of potential failures, thus maximizing the bearing’s service life.
Application Expansion:
Advancements in self-aligning bearing technology often lead to an expansion of their application range. These advancements can include:
New Industries: Innovations in self-aligning bearing technology can enable their use in industries or applications where they were previously not feasible. This opens up opportunities in emerging sectors, such as renewable energy, electric vehicles, robotics, or medical devices.
Challenging Environments: Improved performance characteristics, such as enhanced sealing, temperature resistance, or contamination resistance, allow self-aligning bearings to be deployed in challenging environments, including offshore installations, high-temperature processes, or chemically aggressive applications.
Specialized Applications: Advancements in self-aligning bearing technology can lead to the development of specialized bearing variants tailored for specific applications, such as high-speed machining, precision equipment, or demanding industrial automation systems.
Overall, innovations and advancements in self-aligning bearing technology bring about enhanced performance, extended service life, and expanded application possibilities. These advancements drive improvements in industrial productivity, reliability, and efficiency, making self-aligning bearings a valuable component in a wide range of industries and applications.
Can you explain the installation and alignment considerations for self-aligning bearings?
Proper installation and alignment are crucial for the optimal performance and longevity of self-aligning bearings. Here’s a detailed explanation of the installation and alignment considerations:
Pre-Installation Preparation:
Prior to the installation of self-aligning bearings, it is essential to ensure a clean and suitable working environment. Here are some key considerations:
Cleanliness: The work area should be clean and free from dust, dirt, and contaminants to prevent the ingress of foreign particles during the installation process.
Tools and Equipment: Prepare the necessary tools and equipment required for the installation, including suitable lifting devices, torque wrenches, and lubrication apparatus.
Inspection: Thoroughly inspect the bearing and its components for any signs of damage or defects. Replace any worn or damaged parts before proceeding with the installation.
Lubrication: Apply the recommended lubricant to the bearing and ensure that it is properly distributed before installation. Lubrication helps reduce friction, prevent excessive wear, and facilitate smooth operation.
Mounting Considerations:
When mounting self-aligning bearings, it is important to follow certain guidelines to ensure proper fit and alignment:
Shaft and Housing Tolerances: Check the shaft and housing tolerances to ensure they comply with the specifications provided by the bearing manufacturer. Proper tolerances help achieve the correct fit and prevent excessive clearance or interference.
Shaft and Housing Preparation: Clean the shaft and housing surfaces and remove any burrs or rough edges that could interfere with the bearing’s seating. Ensure that the shaft and housing are machined to the recommended tolerances and finishes.
Mounting Method: There are various methods for mounting self-aligning bearings, including press fitting, thermal expansion, and hydraulic mounting. Follow the manufacturer’s instructions and recommended mounting method to ensure a secure and accurate fit.
Sealing: If the self-aligning bearing has integral seals or shields, ensure that they are correctly positioned and aligned during installation. Proper sealing helps protect the bearing against contaminants and extends its service life.
Tightening: When tightening the bearing onto the shaft or in the housing, use the recommended torque values provided by the manufacturer. Over-tightening can lead to excessive preload or damage, while under-tightening can result in insufficient seating and compromised performance.
Alignment Considerations:
Proper alignment is crucial for self-aligning bearings to function optimally. Here are some alignment considerations:
Angular Misalignment: Self-aligning bearings can accommodate angular misalignment to a certain degree. However, it is important to keep the misalignment within the manufacturer’s specified limits to prevent excessive stress and premature wear.
Shaft Deflection: Consider the potential shaft deflection that may occur during operation and ensure that the self-aligning bearing can handle the expected deflection without exceeding its capacity. This may involve selecting a bearing with appropriate load-carrying capacity and considering additional support or stabilization measures.
Alignment Verification: After installation, verify the alignment of the self-aligning bearing by measuring the axial and radial runout using appropriate alignment tools. Adjust the positioning if necessary to achieve the desired alignment within the specified tolerances.
By following these installation and alignment considerations, you can ensure the proper fit, alignment, and performance of self-aligning bearings. Adhering to the manufacturer’s guidelines and best practices helps maximize the lifespan and reliability of the bearings in various applications.
How do self-aligning bearings differ from fixed or non-self-aligning bearings?
Self-aligning bearings differ from fixed or non-self-aligning bearings in several ways. Here’s a detailed explanation of the differences between these types of bearings:
Design and Construction:
The design and construction of self-aligning bearings are distinct from fixed or non-self-aligning bearings. Self-aligning bearings have a spherical outer ring raceway, which allows for misalignment compensation. In contrast, fixed or non-self-aligning bearings typically have a cylindrical or tapered outer ring raceway, designed for precise alignment between the shaft and the housing.
Misalignment Compensation:
The primary difference between self-aligning bearings and fixed or non-self-aligning bearings is their ability to compensate for misalignment. Self-aligning bearings can accommodate angular misalignment, axial misalignment, and shaft deflection, whereas fixed or non-self-aligning bearings have limited tolerance for misalignment and require precise alignment during installation.
Load Distribution:
Self-aligning bearings distribute the load more evenly across the rolling elements and raceways, thanks to their ability to accommodate misalignment. This helps reduce localized stresses and minimize the risk of premature failure. Fixed or non-self-aligning bearings, without the ability to compensate for misalignment, may experience uneven loading and increased stress on specific areas, leading to accelerated wear and potential failure.
Friction and Wear:
Due to their misalignment compensation capability, self-aligning bearings help reduce friction and wear. Misalignment in fixed or non-self-aligning bearings can cause increased friction and localized wear, leading to reduced bearing life. Self-aligning bearings distribute the load more evenly, minimizing friction and wear on the rolling elements and raceways, resulting in improved reliability and longevity.
Application Range:
The different design and misalignment compensation capability of self-aligning bearings make them suitable for a broader range of applications compared to fixed or non-self-aligning bearings. Self-aligning bearings are commonly used in applications where misalignment is expected, such as heavy machinery, conveyor systems, and mining equipment. Fixed or non-self-aligning bearings are typically employed in applications that require precise alignment, such as machine tools or high-precision equipment.
Installation and Maintenance:
Self-aligning bearings offer easier installation and maintenance compared to fixed or non-self-aligning bearings. The self-aligning capability of these bearings allows for more flexibility during the installation process, accommodating slight misalignments. In contrast, fixed or non-self-aligning bearings require careful alignment procedures to ensure proper functioning. Additionally, self-aligning bearings are often designed for easier maintenance, enabling tasks such as re-greasing or replacement without extensive disassembly.
In summary, self-aligning bearings differ from fixed or non-self-aligning bearings in their design, misalignment compensation capability, load distribution, friction and wear characteristics, application range, and ease of installation and maintenance. These differences make self-aligning bearings particularly suitable for applications where misalignment is expected or dynamic operating conditions are present.
A / Put your bearing on the grid as shown in the diagram.
B / Mark the outline of the outer ring. For more convenience, use a pencil with a fine point.
C / For ease of reading, do not hesitate to draw lines to the axes and then take the measurement.
3rd step: the thickness of the bearing
A / In the same way as for the outer diameter and the bore, place your bearing on the edge on the grid as shown in the diagram.
B / Draw the outer contour.
C / For ease of reading, do not hesitate to draw lines to the axes and then take the measurement.
Conclusion :
You now have 3 measuring elements that will allow you to identify your bearing: the inside diameter (or bore), the outside diameter, and the thickness.
You can postpone these measurements in our bearing search tool on our website
FAQ
1.How many is the MOQ of your company? Our company MOQ is 1pcs.
2.Could you accept OEM and customize? YES, OEM is accepted and we can customize for you according to sample or drawing.
3.How do you guaranee the quality? Evaluate the samples and drawings before production Eva;iate the production process,and following it in schedual,guarantee the delievery time in time. Evaluate the bearing dimension,clearance,noise,rotations of final productions. Evaluate the fause products,block it and make an improve action.
4.Do you have stocks? YES, we have most of the bearings showing on made in china in stock,please contact us for order details.
5.Do you have only Hubs Wheel Auto Bearing?
YES,we have more others types bearings,ANY BEARING YOU CAN THINK OF NOW,WE HAVE!
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Cage Type:
Iron, Steel, Brass
Super Finished Rollers or Not:
Both Are Available
Silver Chamfer or Black Chamfer:
Both Are Available
OEM Available or Not:
Available
Rolling Body:
Roller Bearings
The Number of Rows:
Single
Samples:
US$ 1/Piece 1 Piece(Min.Order)
|
Request Sample
Customization:
Available
|
Customized Request
How do self-aligning bearings enhance the overall efficiency and functionality of machinery and equipment?
Self-aligning bearings play a crucial role in enhancing the overall efficiency and functionality of machinery and equipment. Here’s a detailed explanation:
Compensation for Misalignment:
One of the key benefits of self-aligning bearings is their ability to compensate for misalignment between the shaft and the housing. Misalignment can occur due to various factors such as shaft deflection, thermal expansion, or mounting errors. Self-aligning bearings have the capability to accommodate angular misalignment, axial displacement, and shaft deflection, ensuring smooth operation even in challenging conditions. By accommodating misalignment, self-aligning bearings minimize stress and wear on other components, reducing the risk of premature failure and improving overall machinery efficiency.
Reduced Friction and Energy Consumption:
Self-aligning bearings are designed to operate with low friction, which helps to reduce energy consumption within the machinery or equipment. The rolling elements and raceways of self-aligning bearings are precisely engineered to minimize contact friction. This reduced friction results in lower power losses, allowing the machinery to operate more efficiently and potentially leading to energy savings.
Increased Reliability and Service Life:
Self-aligning bearings contribute to the overall reliability and service life of machinery and equipment. By accommodating misalignment and reducing friction, they help to distribute loads evenly, minimize stress concentrations, and prevent premature wear and failures. This improved load distribution and reduced friction can extend the service life of other critical components, such as gears, shafts, and seals. Additionally, self-aligning bearings often feature robust designs and high-quality materials, further enhancing their durability and reliability in demanding operating conditions.
Enhanced Performance in Challenging Environments:
Self-aligning bearings are well-suited for applications in challenging environments. They can withstand conditions such as high temperatures, extreme speeds, or contaminated operating conditions. The ability to accommodate misalignment and the use of specialized bearing materials and lubricants enable self-aligning bearings to maintain their performance and functionality in adverse conditions. This enhances the overall efficiency and reliability of machinery and equipment in industries such as mining, steel, paper, and food processing.
Ease of Installation and Maintenance:
Self-aligning bearings are designed for ease of installation and maintenance. Their self-aligning capability simplifies the alignment process during installation, reducing the time and effort required. Additionally, self-aligning bearings often feature integrated seals or shields that help to protect against contamination and retain lubrication, resulting in reduced maintenance requirements. The ease of installation and maintenance of self-aligning bearings contributes to the overall efficiency of machinery and equipment by minimizing downtime and improving overall operational productivity.
Overall, self-aligning bearings enhance the efficiency and functionality of machinery and equipment by accommodating misalignment, reducing friction and energy consumption, increasing reliability and service life, performing well in challenging environments, and enabling easier installation and maintenance. By incorporating self-aligning bearings into their designs, engineers and equipment manufacturers can optimize performance, reduce downtime, and improve the overall efficiency of their machinery and equipment.
Are there specific industries or applications where self-aligning bearings are frequently used?
Self-aligning bearings find widespread use in various industries and applications where misalignment compensation, high load-carrying capacity, and reliability are crucial. Here’s a detailed description of some specific industries and applications where self-aligning bearings are frequently employed:
Heavy Machinery and Equipment:
Self-aligning bearings are extensively used in heavy machinery and equipment, such as mining equipment, construction machinery, and material handling systems. These applications often involve high loads, dynamic forces, and operating conditions that can lead to misalignment. Self-aligning bearings help accommodate misalignment caused by factors like vibration, thermal expansion, and shaft deflection, ensuring smooth operation and prolonged service life of the machinery.
Paper and Pulp Industry:
In the paper and pulp industry, self-aligning bearings are commonly employed in critical equipment like paper machines, pulp digesters, and drying cylinders. These applications involve high-speed rotating components and heavy loads. Self-aligning bearings can handle misalignment caused by temperature variations, mechanical stresses, and process fluctuations, maintaining the reliability and productivity of the machinery in this demanding industry.
Steel and Metal Processing:
Self-aligning bearings are vital in steel and metal processing applications, including rolling mills, continuous casting machines, and metal shredders. These applications involve extreme loads, high temperatures, and harsh operating conditions. Self-aligning bearings help compensate for misalignment caused by thermal expansion, deflection, and heavy loads, ensuring the durability and performance of the equipment in this industry.
Conveyor Systems:
Conveyor systems in industries such as mining, manufacturing, and logistics often rely on self-aligning bearings. These bearings accommodate misalignment caused by belt tension, shaft deflection, and uneven loading. Self-aligning bearings help ensure smooth and reliable operation of the conveyor systems, minimizing downtime and optimizing productivity.
Printing and Packaging:
In printing and packaging applications, self-aligning bearings are commonly used in printing presses, packaging machines, and label applicators. These applications involve high-speed rotations, varying loads, and precise alignment requirements. Self-aligning bearings help compensate for misalignment caused by machine vibrations and thermal effects, ensuring accurate and efficient operation of the printing and packaging equipment.
Automotive Industry:
The automotive industry extensively utilizes self-aligning bearings in various components and systems, including wheel hubs, transmission systems, and suspension systems. These applications encounter dynamic forces, varying loads, and misalignment due to road conditions and vehicle movements. Self-aligning bearings help absorb misalignment and maintain proper alignment between components, contributing to the safety, performance, and longevity of automotive vehicles.
These are just a few examples of industries and applications where self-aligning bearings are frequently used. Other sectors, such as agriculture, energy, marine, and aerospace, also rely on self-aligning bearings to ensure reliable and efficient operation of their equipment and machinery.
Can you describe the load-carrying capacity and load ratings of self-aligning bearings?
Self-aligning bearings are designed to carry both radial and axial loads, and their load-carrying capacity is an essential consideration for their proper selection and application. Here’s a detailed description of the load-carrying capacity and load ratings of self-aligning bearings:
Radial Load Capacity:
The radial load capacity of a self-aligning bearing refers to its ability to carry loads that act perpendicular to the axis of rotation. It is influenced by factors such as bearing geometry, material properties, and internal design. Self-aligning bearings, particularly spherical roller bearings, are known for their high radial load-carrying capacity. This is due to their construction that includes multiple rows of robust rolling elements and optimized raceway profiles. The larger contact area between the rolling elements and raceways allows for efficient load distribution, enabling the bearing to handle substantial radial loads.
Axial Load Capacity:
The axial load capacity of a self-aligning bearing refers to its ability to carry loads that act parallel to the axis of rotation. The axial load-carrying capacity depends on the bearing type and design, as well as the arrangement of rolling elements. Self-aligning thrust roller bearings, for example, are specifically designed to handle significant axial loads. They utilize cylindrical or tapered rolling elements arranged in a specific orientation to withstand axial forces. Self-aligning ball bearings can also carry moderate axial loads in addition to their primary radial load-carrying capacity.
Dynamic Load Rating:
The dynamic load rating of a self-aligning bearing is a standardized value that indicates the maximum load that the bearing can sustain for a specified number of rotations or operating hours without experiencing premature fatigue failure. It is expressed in terms of the calculated dynamic equivalent radial or axial load, which takes into account the actual load distribution within the bearing. The dynamic load rating is typically provided by the manufacturer and allows engineers to compare and select bearings based on their expected performance under dynamic operating conditions.
Static Load Rating:
The static load rating of a self-aligning bearing represents the maximum load that the bearing can sustain without permanent deformation or excessive stress when the bearing is stationary or subjected to very slow rotations. It is typically higher than the dynamic load rating. The static load rating is an important consideration for applications where the bearing may be subjected to prolonged static or slow-speed conditions, such as in machinery that operates with intermittent or intermittent rotational motion.
It is important to note that the load-carrying capacity and load ratings provided by manufacturers are based on standardized testing methods and assumptions about operating conditions. Actual load capacity can be influenced by factors such as temperature, lubrication, misalignment, and operating speed. Therefore, it is crucial to consider the specific application requirements and consult the manufacturer’s technical data and guidelines when selecting a self-aligning bearing to ensure its suitability and optimal performance.
Low Noise, Low Vibration, High Precision, Long Life
Precision Grade
P0,P6,p5
Application
Precision instrument, low noise motor, car, motorcycle, metallurgy, rolling machine, mine, petroleum, paper, cement, sugar and other industries and general machinery.
main bearing models
1018
1210
105718H
1302
1317
2207
2222
2311
1026
1211
1230
1303
1318
2208
2224
2312
1571
1212
11204
1304
1319
2209
2226
2313
1571
1213
11205
1305
1320
2210
2228
2314
1096
1214
11206
1306
1321
2211
2300
2315
1200
1215
11207
1307
1322
2212
2301
2316
1201
1216
11208
1308
1324
2213
2302
2317
1202
1217
11209
1309
1326
2214
2303
2318
1203
1218
11210
1310
2200
2215
2304
2319
1204
1219
11211
1311
2201
2216
2305
2320
1205
1220
11212
1312
2202
2217
2306
2321
1206
1221
11213
1313
2203
2218
2307
2322
1207
1222
1035
1314
2204
2219
2308
2324
1208
1224
1300
1315
2205
2220
2309
2326
1209
1226
1301
1316
2206
2221
2310
Company Profile
FAQ
Q1 : Why choose us? A1 : We have more than 30 years of professional experience in bearing industry, and serve many leader companies in bike industry with guarantee quality product. We sell variety of bearing brands and can also do OEM and ODM.
Q2: How about the quality of products in your company? A2: We implement strict inspection on all bearing parts before the production and during the production process, all bearing meet ISO international standard.
Q3: How to choose a bearing? A3: We have a professional engineer team to help you choose bearing and find appropriate solutions, contact us now!
Q4: How long is your delivery term? A4: Our standard product delivery term is 3 to 7 days. A new product development cycle is between 20 to 30 days. There are standing stock for regular types.
Q5: Do you provide samples? A5: Yes, we provide samples, but shipping cost and tax pay by buyer.
other bearing
advantage: Long service life High load carrying capacity Compact arrangements Accommodate misalignment Minimum maintenance Reduced operating costs Fewer unplanned stops Environmental sustainability High availability Technical support
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Contact Angle:
0
Aligning:
Aligning Bearing
Separated:
Unseparated
Rows Number:
Single
Load Direction:
No
Material:
Bearing Steel
Customization:
Available
|
Customized Request
Can you describe the various types of seals and shields used with self-aligning bearings for contamination prevention?
Yes, here’s a detailed description of the various types of seals and shields used with self-aligning bearings for contamination prevention:
Contact Seals:
Contact seals, also known as lip seals or radial seals, are commonly used with self-aligning bearings to prevent the ingress of contaminants. These seals feature a flexible lip that makes contact with the inner ring of the bearing, creating a barrier against dust, dirt, water, and other external substances. Contact seals provide effective contamination prevention but may introduce slightly higher friction due to the contact between the seal lip and the bearing surface. They are typically made of rubber or synthetic materials and offer good sealing performance in most operating conditions.
Felt Seals:
Felt seals are simple and cost-effective sealing solutions used with self-aligning bearings. They consist of a felt material that is compressed against the bearing inner ring or housing to create a barrier against contaminants. Felt seals are commonly used in applications with low to moderate speeds and light contamination levels. While they offer basic protection against solid particles, they may not provide effective sealing against liquids or fine particles.
Metallic Shields:
Metallic shields, also known as metal shields or non-contact shields, are used to protect self-aligning bearings from solid contaminants such as dust and dirt. These shields are typically made of steel or other metals and are designed to fit closely to the bearing inner ring without making contact. Metallic shields provide effective protection while minimizing friction and heat generation. They are suitable for high-speed applications where low torque and minimal drag are desired.
Rubber Shields:
Rubber shields, also known as non-contact seals or labyrinth seals, consist of a rubber or elastomeric material that forms a barrier around the bearing without making direct contact. Rubber shields are designed with a labyrinth-like structure that uses multiple barriers to prevent the entry of contaminants. These shields provide effective sealing against both solid particles and liquids while still allowing for low-friction operation. Rubber shields are commonly used in applications where low torque, minimal drag, and enhanced contamination protection are required.
Hybrid Seals:
Hybrid seals combine the advantages of different sealing technologies to provide optimal contamination prevention. These seals may incorporate a combination of contact seals, non-contact shields, or additional features such as flingers or slingers. Hybrid seals are designed to provide enhanced protection against a wide range of contaminants while minimizing friction and maintaining low torque. They are often used in demanding applications where a high level of sealing performance is required.
Additional Features:
In addition to the primary seals and shields mentioned above, some self-aligning bearings may incorporate additional features to enhance contamination prevention. These features include flingers, which are rotating discs or rings that help to deflect contaminants away from the bearing; slingers, which are similar to flingers but operate by centrifugal force; and specialized coatings or surface treatments that provide enhanced resistance to corrosion or chemical attack.
It’s important to consult the bearing manufacturer’s specifications and guidelines to select the appropriate type of seal or shield for a specific self-aligning bearing and its operating conditions. By choosing the right sealing solution, engineers can effectively prevent contamination and prolong the service life of self-aligning bearings in various applications.
Are there specific industries or applications where self-aligning bearings are frequently used?
Self-aligning bearings find widespread use in various industries and applications where misalignment compensation, high load-carrying capacity, and reliability are crucial. Here’s a detailed description of some specific industries and applications where self-aligning bearings are frequently employed:
Heavy Machinery and Equipment:
Self-aligning bearings are extensively used in heavy machinery and equipment, such as mining equipment, construction machinery, and material handling systems. These applications often involve high loads, dynamic forces, and operating conditions that can lead to misalignment. Self-aligning bearings help accommodate misalignment caused by factors like vibration, thermal expansion, and shaft deflection, ensuring smooth operation and prolonged service life of the machinery.
Paper and Pulp Industry:
In the paper and pulp industry, self-aligning bearings are commonly employed in critical equipment like paper machines, pulp digesters, and drying cylinders. These applications involve high-speed rotating components and heavy loads. Self-aligning bearings can handle misalignment caused by temperature variations, mechanical stresses, and process fluctuations, maintaining the reliability and productivity of the machinery in this demanding industry.
Steel and Metal Processing:
Self-aligning bearings are vital in steel and metal processing applications, including rolling mills, continuous casting machines, and metal shredders. These applications involve extreme loads, high temperatures, and harsh operating conditions. Self-aligning bearings help compensate for misalignment caused by thermal expansion, deflection, and heavy loads, ensuring the durability and performance of the equipment in this industry.
Conveyor Systems:
Conveyor systems in industries such as mining, manufacturing, and logistics often rely on self-aligning bearings. These bearings accommodate misalignment caused by belt tension, shaft deflection, and uneven loading. Self-aligning bearings help ensure smooth and reliable operation of the conveyor systems, minimizing downtime and optimizing productivity.
Printing and Packaging:
In printing and packaging applications, self-aligning bearings are commonly used in printing presses, packaging machines, and label applicators. These applications involve high-speed rotations, varying loads, and precise alignment requirements. Self-aligning bearings help compensate for misalignment caused by machine vibrations and thermal effects, ensuring accurate and efficient operation of the printing and packaging equipment.
Automotive Industry:
The automotive industry extensively utilizes self-aligning bearings in various components and systems, including wheel hubs, transmission systems, and suspension systems. These applications encounter dynamic forces, varying loads, and misalignment due to road conditions and vehicle movements. Self-aligning bearings help absorb misalignment and maintain proper alignment between components, contributing to the safety, performance, and longevity of automotive vehicles.
These are just a few examples of industries and applications where self-aligning bearings are frequently used. Other sectors, such as agriculture, energy, marine, and aerospace, also rely on self-aligning bearings to ensure reliable and efficient operation of their equipment and machinery.
How do self-aligning bearings compensate for misalignment in machinery?
Self-aligning bearings are designed to compensate for misalignment in machinery, allowing them to accommodate angular misalignment, axial misalignment, and shaft deflection. Here’s a detailed explanation of how self-aligning bearings achieve misalignment compensation:
Spherical Outer Ring Raceway:
The key feature of self-aligning bearings is their spherical outer ring raceway. This raceway is designed to have a curvature that matches the spherical shape of the rolling elements, such as balls or rollers. The spherical outer ring raceway allows the bearing to tilt or swivel in response to misalignment, enabling it to self-align with the mating components.
Rolling Element Design:
The rolling elements in self-aligning bearings are carefully designed to facilitate misalignment compensation. For example, spherical roller bearings have barrel-shaped rollers, while self-aligning ball bearings have two rows of balls. These rolling elements can adjust their positions within the bearing, redistributing the load and accommodating misalignment between the shaft and the housing.
Internal Clearance:
Self-aligning bearings often have a larger internal clearance compared to fixed or non-self-aligning bearings. This additional clearance provides space for the bearing components to move and adjust their positions during misalignment. The internal clearance allows the bearing to properly distribute the load, reduce friction, and prevent excessive stress on the rolling elements and raceways.
Flexible Mounting:
Self-aligning bearings offer flexibility in their mounting arrangements. They can tolerate slight misalignments during installation, which simplifies the alignment process. This flexibility is particularly beneficial in applications where thermal expansion, shaft deflection, or other dynamic factors may cause misalignment during operation.
Load Distribution:
When misalignment occurs, self-aligning bearings distribute the load more evenly across the rolling elements and raceways. This even load distribution helps reduce localized stresses and minimizes the risk of premature failure. By accommodating misalignment, self-aligning bearings allow for smoother operation and improved reliability in machinery.
It’s important to note that while self-aligning bearings can compensate for certain degrees of misalignment, there are limits to their misalignment capability. Excessive misalignment beyond the bearing’s specified limits can lead to increased friction, reduced bearing life, and potential damage. Therefore, it is crucial to follow the manufacturer’s guidelines and recommendations regarding misalignment limits and operating conditions to ensure optimal performance and longevity of self-aligning bearings in machinery.
A / Put your bearing on the grid as shown in the diagram.
B / Mark the outline of the outer ring. For more convenience, use a pencil with a fine point.
C / For ease of reading, do not hesitate to draw lines to the axes and then take the measurement.
3rd step: the thickness of the bearing
A / In the same way as for the outer diameter and the bore, place your bearing on the edge on the grid as shown in the diagram.
B / Draw the outer contour.
C / For ease of reading, do not hesitate to draw lines to the axes and then take the measurement.
Conclusion :
You now have 3 measuring elements that will allow you to identify your bearing: the inside diameter (or bore), the outside diameter, and the thickness.
You can postpone these measurements in our bearing search tool on our website
FAQ
1.How many is the MOQ of your company? Our company MOQ is 1pcs.
2.Could you accept OEM and customize? YES, OEM is accepted and we can customize for you according to sample or drawing.
3.How do you guaranee the quality? Evaluate the samples and drawings before production Eva;iate the production process,and following it in schedual,guarantee the delievery time in time. Evaluate the bearing dimension,clearance,noise,rotations of final productions. Evaluate the fause products,block it and make an improve action.
4.Do you have stocks? YES, we have most of the bearings showing on made in china in stock,please contact us for order details.
5.Do you have only Hubs Wheel Auto Bearing?
YES,we have more others types bearings,ANY BEARING YOU CAN THINK OF NOW,WE HAVE!
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Cage Type:
Iron, Steel, Brass
Super Finished Rollers or Not:
Both Are Available
Silver Chamfer or Black Chamfer:
Both Are Available
OEM Available or Not:
Available
Rolling Body:
Roller Bearings
The Number of Rows:
Single
Samples:
US$ 1/Piece 1 Piece(Min.Order)
|
Request Sample
Customization:
Available
|
Customized Request
Can you describe the various types of seals and shields used with self-aligning bearings for contamination prevention?
Yes, here’s a detailed description of the various types of seals and shields used with self-aligning bearings for contamination prevention:
Contact Seals:
Contact seals, also known as lip seals or radial seals, are commonly used with self-aligning bearings to prevent the ingress of contaminants. These seals feature a flexible lip that makes contact with the inner ring of the bearing, creating a barrier against dust, dirt, water, and other external substances. Contact seals provide effective contamination prevention but may introduce slightly higher friction due to the contact between the seal lip and the bearing surface. They are typically made of rubber or synthetic materials and offer good sealing performance in most operating conditions.
Felt Seals:
Felt seals are simple and cost-effective sealing solutions used with self-aligning bearings. They consist of a felt material that is compressed against the bearing inner ring or housing to create a barrier against contaminants. Felt seals are commonly used in applications with low to moderate speeds and light contamination levels. While they offer basic protection against solid particles, they may not provide effective sealing against liquids or fine particles.
Metallic Shields:
Metallic shields, also known as metal shields or non-contact shields, are used to protect self-aligning bearings from solid contaminants such as dust and dirt. These shields are typically made of steel or other metals and are designed to fit closely to the bearing inner ring without making contact. Metallic shields provide effective protection while minimizing friction and heat generation. They are suitable for high-speed applications where low torque and minimal drag are desired.
Rubber Shields:
Rubber shields, also known as non-contact seals or labyrinth seals, consist of a rubber or elastomeric material that forms a barrier around the bearing without making direct contact. Rubber shields are designed with a labyrinth-like structure that uses multiple barriers to prevent the entry of contaminants. These shields provide effective sealing against both solid particles and liquids while still allowing for low-friction operation. Rubber shields are commonly used in applications where low torque, minimal drag, and enhanced contamination protection are required.
Hybrid Seals:
Hybrid seals combine the advantages of different sealing technologies to provide optimal contamination prevention. These seals may incorporate a combination of contact seals, non-contact shields, or additional features such as flingers or slingers. Hybrid seals are designed to provide enhanced protection against a wide range of contaminants while minimizing friction and maintaining low torque. They are often used in demanding applications where a high level of sealing performance is required.
Additional Features:
In addition to the primary seals and shields mentioned above, some self-aligning bearings may incorporate additional features to enhance contamination prevention. These features include flingers, which are rotating discs or rings that help to deflect contaminants away from the bearing; slingers, which are similar to flingers but operate by centrifugal force; and specialized coatings or surface treatments that provide enhanced resistance to corrosion or chemical attack.
It’s important to consult the bearing manufacturer’s specifications and guidelines to select the appropriate type of seal or shield for a specific self-aligning bearing and its operating conditions. By choosing the right sealing solution, engineers can effectively prevent contamination and prolong the service life of self-aligning bearings in various applications.
Can you explain the installation and alignment considerations for self-aligning bearings?
Proper installation and alignment are crucial for the optimal performance and longevity of self-aligning bearings. Here’s a detailed explanation of the installation and alignment considerations:
Pre-Installation Preparation:
Prior to the installation of self-aligning bearings, it is essential to ensure a clean and suitable working environment. Here are some key considerations:
Cleanliness: The work area should be clean and free from dust, dirt, and contaminants to prevent the ingress of foreign particles during the installation process.
Tools and Equipment: Prepare the necessary tools and equipment required for the installation, including suitable lifting devices, torque wrenches, and lubrication apparatus.
Inspection: Thoroughly inspect the bearing and its components for any signs of damage or defects. Replace any worn or damaged parts before proceeding with the installation.
Lubrication: Apply the recommended lubricant to the bearing and ensure that it is properly distributed before installation. Lubrication helps reduce friction, prevent excessive wear, and facilitate smooth operation.
Mounting Considerations:
When mounting self-aligning bearings, it is important to follow certain guidelines to ensure proper fit and alignment:
Shaft and Housing Tolerances: Check the shaft and housing tolerances to ensure they comply with the specifications provided by the bearing manufacturer. Proper tolerances help achieve the correct fit and prevent excessive clearance or interference.
Shaft and Housing Preparation: Clean the shaft and housing surfaces and remove any burrs or rough edges that could interfere with the bearing’s seating. Ensure that the shaft and housing are machined to the recommended tolerances and finishes.
Mounting Method: There are various methods for mounting self-aligning bearings, including press fitting, thermal expansion, and hydraulic mounting. Follow the manufacturer’s instructions and recommended mounting method to ensure a secure and accurate fit.
Sealing: If the self-aligning bearing has integral seals or shields, ensure that they are correctly positioned and aligned during installation. Proper sealing helps protect the bearing against contaminants and extends its service life.
Tightening: When tightening the bearing onto the shaft or in the housing, use the recommended torque values provided by the manufacturer. Over-tightening can lead to excessive preload or damage, while under-tightening can result in insufficient seating and compromised performance.
Alignment Considerations:
Proper alignment is crucial for self-aligning bearings to function optimally. Here are some alignment considerations:
Angular Misalignment: Self-aligning bearings can accommodate angular misalignment to a certain degree. However, it is important to keep the misalignment within the manufacturer’s specified limits to prevent excessive stress and premature wear.
Shaft Deflection: Consider the potential shaft deflection that may occur during operation and ensure that the self-aligning bearing can handle the expected deflection without exceeding its capacity. This may involve selecting a bearing with appropriate load-carrying capacity and considering additional support or stabilization measures.
Alignment Verification: After installation, verify the alignment of the self-aligning bearing by measuring the axial and radial runout using appropriate alignment tools. Adjust the positioning if necessary to achieve the desired alignment within the specified tolerances.
By following these installation and alignment considerations, you can ensure the proper fit, alignment, and performance of self-aligning bearings. Adhering to the manufacturer’s guidelines and best practices helps maximize the lifespan and reliability of the bearings in various applications.
How do self-aligning bearings differ from fixed or non-self-aligning bearings?
Self-aligning bearings differ from fixed or non-self-aligning bearings in several ways. Here’s a detailed explanation of the differences between these types of bearings:
Design and Construction:
The design and construction of self-aligning bearings are distinct from fixed or non-self-aligning bearings. Self-aligning bearings have a spherical outer ring raceway, which allows for misalignment compensation. In contrast, fixed or non-self-aligning bearings typically have a cylindrical or tapered outer ring raceway, designed for precise alignment between the shaft and the housing.
Misalignment Compensation:
The primary difference between self-aligning bearings and fixed or non-self-aligning bearings is their ability to compensate for misalignment. Self-aligning bearings can accommodate angular misalignment, axial misalignment, and shaft deflection, whereas fixed or non-self-aligning bearings have limited tolerance for misalignment and require precise alignment during installation.
Load Distribution:
Self-aligning bearings distribute the load more evenly across the rolling elements and raceways, thanks to their ability to accommodate misalignment. This helps reduce localized stresses and minimize the risk of premature failure. Fixed or non-self-aligning bearings, without the ability to compensate for misalignment, may experience uneven loading and increased stress on specific areas, leading to accelerated wear and potential failure.
Friction and Wear:
Due to their misalignment compensation capability, self-aligning bearings help reduce friction and wear. Misalignment in fixed or non-self-aligning bearings can cause increased friction and localized wear, leading to reduced bearing life. Self-aligning bearings distribute the load more evenly, minimizing friction and wear on the rolling elements and raceways, resulting in improved reliability and longevity.
Application Range:
The different design and misalignment compensation capability of self-aligning bearings make them suitable for a broader range of applications compared to fixed or non-self-aligning bearings. Self-aligning bearings are commonly used in applications where misalignment is expected, such as heavy machinery, conveyor systems, and mining equipment. Fixed or non-self-aligning bearings are typically employed in applications that require precise alignment, such as machine tools or high-precision equipment.
Installation and Maintenance:
Self-aligning bearings offer easier installation and maintenance compared to fixed or non-self-aligning bearings. The self-aligning capability of these bearings allows for more flexibility during the installation process, accommodating slight misalignments. In contrast, fixed or non-self-aligning bearings require careful alignment procedures to ensure proper functioning. Additionally, self-aligning bearings are often designed for easier maintenance, enabling tasks such as re-greasing or replacement without extensive disassembly.
In summary, self-aligning bearings differ from fixed or non-self-aligning bearings in their design, misalignment compensation capability, load distribution, friction and wear characteristics, application range, and ease of installation and maintenance. These differences make self-aligning bearings particularly suitable for applications where misalignment is expected or dynamic operating conditions are present.
I. PRODUCT INFO. Aligning ball bearings have cylindrical and tapered bore 2 structures. Cage made of steel sheet , synthetic resin. It features an outer ring raceway spherical shape , with auto-Mind , can compensate for misalignment and shaft deflection caused by the error , but the inner and outer rings relative inclination of not more than 3 degrees. Selfaligning ball bearings, are constructed with the inner ring and ball assembly contained within an outer ring that has a spherical raceway. This construction allows the bearing to tolerate a small angular misalignment resulting from shaft or housing deflections or improper mounting. The bearing was used mainly in bearing arrangements with very long shafts, such as transmission shafts in textile factories. One drawback of the selfaligning ball bearings is a limited load rating, as the outer raceway has very low osculation (radius is much larger than ball radius). This led to the invention of thespherical roller bearing, which has a similar design, but use rollers instead of balls. Self-aligning ball bearing types: Mini series:10x,12x,13x Common series:12xx,13xx,22xx,23xx
Model Number
Machine Parts of High Precision Self-Aligning Ball Bearing 1205K
Brand Name
CHIK OEM
Structure
self-aligning ball bearing
Type
Ball
Steel pressed cage
Bending claw form or rivet form
Ring Material
Chrome Steel ,Carbon steel,Stainless steel
Application
Mainly used in metallurgy, mining, petroleum, chemical industry, construction machinery and other areas
Certifications
ISO 9001:2008
Place of Origin
China (Mainland)
II. PACKAGING PAYMENT AND SHIPPING 1.packing : 1)Industrial Package:bearing
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Structure:
Self-Aligning Ball Bearing
Type:
Ball Bearings
Sample:
Payable by Buyer
Seals Type:
Open
Aligning:
Aligning Bearing
Separated:
Unseparated
Samples:
US$ 0.757/Piece 1 Piece(Min.Order)
|
Request Sample
Customization:
Available
|
Customized Request
Can you describe the various types of seals and shields used with self-aligning bearings for contamination prevention?
Yes, here’s a detailed description of the various types of seals and shields used with self-aligning bearings for contamination prevention:
Contact Seals:
Contact seals, also known as lip seals or radial seals, are commonly used with self-aligning bearings to prevent the ingress of contaminants. These seals feature a flexible lip that makes contact with the inner ring of the bearing, creating a barrier against dust, dirt, water, and other external substances. Contact seals provide effective contamination prevention but may introduce slightly higher friction due to the contact between the seal lip and the bearing surface. They are typically made of rubber or synthetic materials and offer good sealing performance in most operating conditions.
Felt Seals:
Felt seals are simple and cost-effective sealing solutions used with self-aligning bearings. They consist of a felt material that is compressed against the bearing inner ring or housing to create a barrier against contaminants. Felt seals are commonly used in applications with low to moderate speeds and light contamination levels. While they offer basic protection against solid particles, they may not provide effective sealing against liquids or fine particles.
Metallic Shields:
Metallic shields, also known as metal shields or non-contact shields, are used to protect self-aligning bearings from solid contaminants such as dust and dirt. These shields are typically made of steel or other metals and are designed to fit closely to the bearing inner ring without making contact. Metallic shields provide effective protection while minimizing friction and heat generation. They are suitable for high-speed applications where low torque and minimal drag are desired.
Rubber Shields:
Rubber shields, also known as non-contact seals or labyrinth seals, consist of a rubber or elastomeric material that forms a barrier around the bearing without making direct contact. Rubber shields are designed with a labyrinth-like structure that uses multiple barriers to prevent the entry of contaminants. These shields provide effective sealing against both solid particles and liquids while still allowing for low-friction operation. Rubber shields are commonly used in applications where low torque, minimal drag, and enhanced contamination protection are required.
Hybrid Seals:
Hybrid seals combine the advantages of different sealing technologies to provide optimal contamination prevention. These seals may incorporate a combination of contact seals, non-contact shields, or additional features such as flingers or slingers. Hybrid seals are designed to provide enhanced protection against a wide range of contaminants while minimizing friction and maintaining low torque. They are often used in demanding applications where a high level of sealing performance is required.
Additional Features:
In addition to the primary seals and shields mentioned above, some self-aligning bearings may incorporate additional features to enhance contamination prevention. These features include flingers, which are rotating discs or rings that help to deflect contaminants away from the bearing; slingers, which are similar to flingers but operate by centrifugal force; and specialized coatings or surface treatments that provide enhanced resistance to corrosion or chemical attack.
It’s important to consult the bearing manufacturer’s specifications and guidelines to select the appropriate type of seal or shield for a specific self-aligning bearing and its operating conditions. By choosing the right sealing solution, engineers can effectively prevent contamination and prolong the service life of self-aligning bearings in various applications.
What are the potential challenges or limitations associated with using self-aligning bearings in specific industries?
While self-aligning bearings offer many advantages, there are some potential challenges and limitations associated with their use in specific industries. Here’s a detailed explanation of these considerations:
Load Capacity:
While self-aligning bearings are designed to handle high loads, there are limits to their load-carrying capacity. In industries with extremely heavy or shock loads, such as heavy machinery, mining, or construction, the load demands may exceed the capabilities of self-aligning bearings. In such cases, alternative bearing designs or additional support mechanisms may be required to handle the extreme load conditions.
Speed Limitations:
Self-aligning bearings may have certain speed limitations due to factors such as centrifugal forces, increased friction, or potential instability at high rotational speeds. In industries that require very high-speed applications, such as aerospace or certain manufacturing processes, specialized high-speed bearings may be more suitable to ensure optimal performance and prevent premature failure.
Temperature and Environmental Constraints:
Self-aligning bearings have specific temperature and environmental constraints that can impact their performance. In industries involving extreme temperatures, aggressive chemicals, or harsh environmental conditions, the choice of bearing materials and lubricants becomes critical. Certain industries, such as oil and gas, chemical processing, or marine applications, may require specialized bearing designs or coatings to withstand the demanding operating conditions.
Maintenance and Lubrication:
Proper maintenance and lubrication are essential for the reliable operation of self-aligning bearings. In industries where access for maintenance is challenging or where frequent maintenance is not feasible, the longevity and performance of self-aligning bearings may be compromised. Additionally, industries with high contamination or abrasive particles in the operating environment may require more frequent lubrication or specialized sealing arrangements to protect the bearings from premature wear and failure.
Space Limitations:
Self-aligning bearings have a larger footprint compared to some other bearing designs due to their double-row construction and spherical outer ring raceway. In industries with space constraints or compact machinery designs, the dimensions of self-aligning bearings may pose challenges in terms of integration or fitting within limited spaces. In such cases, alternative bearing designs with smaller profiles may be more suitable.
Cost Considerations:
Self-aligning bearings can be more expensive compared to certain other bearing types, especially in applications that require larger sizes or specialized configurations. In industries with cost-sensitive considerations, such as consumer products or automotive manufacturing, the higher cost of self-aligning bearings may influence the selection of alternative bearing options that can meet the application requirements at a lower cost.
While self-aligning bearings offer numerous benefits, it is important to carefully evaluate the specific challenges and limitations in each industry or application. By considering these factors and consulting with bearing experts or manufacturers, the most suitable bearing solution can be selected to ensure optimal performance, reliability, and cost-effectiveness.
What are self-aligning bearings, and how do they function in machinery?
Self-aligning bearings are a type of rolling contact bearings that are designed to accommodate misalignment between the shaft and the housing in machinery. They are commonly used in applications where shaft deflection, shaft misalignment, or mounting errors are expected.
Here’s a detailed explanation of self-aligning bearings and their functioning in machinery:
Design and Construction:
Self-aligning bearings consist of two main components: an inner ring with the rolling elements and an outer ring with a spherical raceway. The inner ring is typically mounted on the rotating shaft, while the outer ring is mounted in the housing. The rolling elements, usually balls or rollers, are positioned between the inner and outer rings to facilitate smooth rotation.
The key feature of self-aligning bearings is the spherical shape of the outer ring raceway. This design allows the bearing to accommodate angular misalignment between the shaft and the housing, as well as any axial misalignment or shaft deflection that may occur during operation.
Functioning in Machinery:
Self-aligning bearings function in machinery by providing several important benefits:
Misalignment Compensation: Self-aligning bearings can compensate for angular misalignment between the shaft and the housing. This is particularly useful in applications where there may be slight misalignments due to manufacturing tolerances, thermal expansion, or shaft deflection under load. The self-aligning capability allows the bearing to maintain proper alignment and minimize stress on the bearing components.
Reduced Friction and Wear: The ability of self-aligning bearings to accommodate misalignment helps reduce friction and wear. Misalignment can cause uneven loading and increased stress on the bearing, leading to premature failure. By allowing the bearing to adjust its position, self-aligning bearings distribute the load more evenly, reducing friction and wear on the rolling elements and raceways.
Shock and Vibration Absorption: Self-aligning bearings can also absorb shocks and vibrations that may occur during operation. The spherical shape of the outer ring raceway allows the bearing to move and adjust its position, effectively absorbing and dampening the impact of shocks and vibrations. This helps improve the overall stability, smoothness, and durability of the machinery.
Easy Installation and Maintenance: Self-aligning bearings are relatively easy to install and maintain. The self-aligning capability simplifies the alignment process during installation, as slight misalignments can be accommodated. Additionally, regular maintenance tasks, such as re-greasing or replacement of the bearing, can be performed more easily due to the flexibility and adjustability of self-aligning bearings.
Overall, self-aligning bearings play a crucial role in machinery by allowing for misalignment compensation, reducing friction and wear, absorbing shocks and vibrations, and providing ease of installation and maintenance. These features contribute to improved performance, reliability, and durability of the machinery in various applications.
Auto Parts Self Aligning Spherical Steel Rolling Mill Bearing for Vertical Motors
Product Description
Self Aligning Ball Bearings
Self aligning ball bearings have 2 rows of balls, a common sphered raceway in the outer ring and 2 deep uninterrupted raceway grooves in the inner ring. Self aligning ball bearings are insensitive to angular misalignment of the shaft relative to the housing, which can be caused, for example, by shaft deflection or housing deformations. Self aligning ball bearings are suitable for applications where the shaft relative to the housing bore is prone to angular misalignments. Under normal loads, depending on the dimensional series, the maximum permissible angular misalignment is approximately 2° to 4°. These bearings are available in open and sealed versions and inner rings with a cylindrical or tapered bore.
Product Parameters
Bearing NO.
Principal dimensions
Speed ratings(r/min)
Basic load ratings
d
D
B / C / T
Grease
Oil
(kN)
(kN)
Dynamic
Static
1203
17
40
12
16000
20000
7.9
2.02
1203K
17
40
12
16000
20000
7.9
2.02
1204
20
47
14
14000
17000
9.95
2.65
1204K
20
47
14
14000
17000
9.95
2.65
1205
25
52
15
12000
14000
12
3.3
1205K
25
52
15
12000
14000
12
3.3
1206
30
62
16
10000
12000
15.8
4.7
1206K
30
62
16
10000
12000
15.8
4.7
1207
35
72
17
8500
10000
15.8
5.08
1207K
35
72
17
8500
10000
15.8
5.08
1208
40
80
18
7500
9000
19.2
6.4
1208K
40
80
18
7500
9000
19.2
6.4
1209
45
85
19
7100
8500
21.8
7.32
1209K
45
85
19
7100
8500
21.8
7.32
1210
50
90
20
6300
8000
22.8
8.08
1210K
50
90
20
6300
8000
22.8
8.08
1211
55
100
21
6000
7100
26.8
10
1211K
55
100
21
6000
7100
26.8
10
1212
60
110
22
5300
6300
30.2
11.5
1212K
60
110
22
5300
6300
30.2
11.5
1213
65
120
23
4800
6000
31
12.5
1213K
65
120
23
4800
6000
31
12.5
1214
70
125
24
4800
5600
34.5
13.5
1214K
70
125
24
4800
5600
34.5
13.5
1215
75
130
25
4300
5300
38.8
15.2
1215K
75
130
25
4300
5300
38.8
15.2
1216
80
140
26
4000
5000
39.5
16.8
1216K
80
140
26
4000
5000
39.5
16.8
1217
85
150
28
3800
4500
48.8
20.5
1217K
85
150
28
3800
4500
48.8
20.5
Detailed Photos
Company Profile
HangZhou HONGSHI MACHINERY AND ELECTRICAL EQUIPMENT CO.,LTD. (formerly HangZhou Hengmai Bearing Co., Ltd.) was established in 2007, and HMMH is our own brand. HMMH mainly produces spherical roller bearings, pillow block ball bearing, deep groove ball bearings and cylindrical roller bearings. Spherical roller bearing products range from 20mm to 1M, with the main production of crusher bearings 22300 series. Low noise deep groove ball bearings, product accuracy can reach ZV2, ZV3, ZV4, mainly produces motor bearings 6200, 6300 series. pillow block ball bearing, mainly producing UCP, UCF, UCFL, UCFC, UCT series, the products are mainly used in agricultural machine and peeling machine. We also use the bainite quenching process to ensure the hardness of the bearing, using good testing equipment, such as roundness meter, profiler, roughness meter, universal measuring instrument, spectrometer, metallographic microscope to control each detail quality monitoring.
To ensure product quality, we have established a strict quality control system and an experienced team of engineers and after-sales service. From forgings to final products we have a strict quality control system.
Your needs are our production motivation, and your satisfaction is our goal. We are willing to serve our customers with the goal of “Quality First, Service First, Credit First”.
FAQ
1.A:How can I do customized design? Q:We are request for the drawing with the measurement, material and other speicifcation as details as you can, and for the customized products, our MOQ is 10 pcs per design
2.Q: How can I get a sample? A: If you only need 1or 2 samples for small size inner weight below 2kgs, we can supply free samples and we have stocks, you can just pay the shipping cost .if you need several design samples, then you should paid the cost with shipping.
3.Q: What package do you usually use? A: Usually we use single box or tape. Also according to customer’s special requirement.
4.Q:How long do you need for production? Or what’s your production lead time? A:Usually could be sent our in 2-3 days if in stock for samples. Customized item usually need 14-30 days to produce.
5.Q:How long will you guarantee your quality? A:We supply test report and quality control photos from materials to finished goods during production.
6.Q:How to do after sale service? A:Good after-sale service is our promise. Before placing orders, our professional engineer will discuss all technical data and your bearing usage condition and CZPT you what kind of steel materials to fit your products and usage life possible.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Product Name:
Self-Aligning Roller Bearing
Quality:
High Quality
Rolling Body:
Roller Bearings
Contact Angle:
Normal
Material:
Bearing Steel
Spherical:
Aligning Bearings
Customization:
Available
|
Customized Request
Can you describe the various types of seals and shields used with self-aligning bearings for contamination prevention?
Yes, here’s a detailed description of the various types of seals and shields used with self-aligning bearings for contamination prevention:
Contact Seals:
Contact seals, also known as lip seals or radial seals, are commonly used with self-aligning bearings to prevent the ingress of contaminants. These seals feature a flexible lip that makes contact with the inner ring of the bearing, creating a barrier against dust, dirt, water, and other external substances. Contact seals provide effective contamination prevention but may introduce slightly higher friction due to the contact between the seal lip and the bearing surface. They are typically made of rubber or synthetic materials and offer good sealing performance in most operating conditions.
Felt Seals:
Felt seals are simple and cost-effective sealing solutions used with self-aligning bearings. They consist of a felt material that is compressed against the bearing inner ring or housing to create a barrier against contaminants. Felt seals are commonly used in applications with low to moderate speeds and light contamination levels. While they offer basic protection against solid particles, they may not provide effective sealing against liquids or fine particles.
Metallic Shields:
Metallic shields, also known as metal shields or non-contact shields, are used to protect self-aligning bearings from solid contaminants such as dust and dirt. These shields are typically made of steel or other metals and are designed to fit closely to the bearing inner ring without making contact. Metallic shields provide effective protection while minimizing friction and heat generation. They are suitable for high-speed applications where low torque and minimal drag are desired.
Rubber Shields:
Rubber shields, also known as non-contact seals or labyrinth seals, consist of a rubber or elastomeric material that forms a barrier around the bearing without making direct contact. Rubber shields are designed with a labyrinth-like structure that uses multiple barriers to prevent the entry of contaminants. These shields provide effective sealing against both solid particles and liquids while still allowing for low-friction operation. Rubber shields are commonly used in applications where low torque, minimal drag, and enhanced contamination protection are required.
Hybrid Seals:
Hybrid seals combine the advantages of different sealing technologies to provide optimal contamination prevention. These seals may incorporate a combination of contact seals, non-contact shields, or additional features such as flingers or slingers. Hybrid seals are designed to provide enhanced protection against a wide range of contaminants while minimizing friction and maintaining low torque. They are often used in demanding applications where a high level of sealing performance is required.
Additional Features:
In addition to the primary seals and shields mentioned above, some self-aligning bearings may incorporate additional features to enhance contamination prevention. These features include flingers, which are rotating discs or rings that help to deflect contaminants away from the bearing; slingers, which are similar to flingers but operate by centrifugal force; and specialized coatings or surface treatments that provide enhanced resistance to corrosion or chemical attack.
It’s important to consult the bearing manufacturer’s specifications and guidelines to select the appropriate type of seal or shield for a specific self-aligning bearing and its operating conditions. By choosing the right sealing solution, engineers can effectively prevent contamination and prolong the service life of self-aligning bearings in various applications.
Can you explain the installation and alignment considerations for self-aligning bearings?
Proper installation and alignment are crucial for the optimal performance and longevity of self-aligning bearings. Here’s a detailed explanation of the installation and alignment considerations:
Pre-Installation Preparation:
Prior to the installation of self-aligning bearings, it is essential to ensure a clean and suitable working environment. Here are some key considerations:
Cleanliness: The work area should be clean and free from dust, dirt, and contaminants to prevent the ingress of foreign particles during the installation process.
Tools and Equipment: Prepare the necessary tools and equipment required for the installation, including suitable lifting devices, torque wrenches, and lubrication apparatus.
Inspection: Thoroughly inspect the bearing and its components for any signs of damage or defects. Replace any worn or damaged parts before proceeding with the installation.
Lubrication: Apply the recommended lubricant to the bearing and ensure that it is properly distributed before installation. Lubrication helps reduce friction, prevent excessive wear, and facilitate smooth operation.
Mounting Considerations:
When mounting self-aligning bearings, it is important to follow certain guidelines to ensure proper fit and alignment:
Shaft and Housing Tolerances: Check the shaft and housing tolerances to ensure they comply with the specifications provided by the bearing manufacturer. Proper tolerances help achieve the correct fit and prevent excessive clearance or interference.
Shaft and Housing Preparation: Clean the shaft and housing surfaces and remove any burrs or rough edges that could interfere with the bearing’s seating. Ensure that the shaft and housing are machined to the recommended tolerances and finishes.
Mounting Method: There are various methods for mounting self-aligning bearings, including press fitting, thermal expansion, and hydraulic mounting. Follow the manufacturer’s instructions and recommended mounting method to ensure a secure and accurate fit.
Sealing: If the self-aligning bearing has integral seals or shields, ensure that they are correctly positioned and aligned during installation. Proper sealing helps protect the bearing against contaminants and extends its service life.
Tightening: When tightening the bearing onto the shaft or in the housing, use the recommended torque values provided by the manufacturer. Over-tightening can lead to excessive preload or damage, while under-tightening can result in insufficient seating and compromised performance.
Alignment Considerations:
Proper alignment is crucial for self-aligning bearings to function optimally. Here are some alignment considerations:
Angular Misalignment: Self-aligning bearings can accommodate angular misalignment to a certain degree. However, it is important to keep the misalignment within the manufacturer’s specified limits to prevent excessive stress and premature wear.
Shaft Deflection: Consider the potential shaft deflection that may occur during operation and ensure that the self-aligning bearing can handle the expected deflection without exceeding its capacity. This may involve selecting a bearing with appropriate load-carrying capacity and considering additional support or stabilization measures.
Alignment Verification: After installation, verify the alignment of the self-aligning bearing by measuring the axial and radial runout using appropriate alignment tools. Adjust the positioning if necessary to achieve the desired alignment within the specified tolerances.
By following these installation and alignment considerations, you can ensure the proper fit, alignment, and performance of self-aligning bearings. Adhering to the manufacturer’s guidelines and best practices helps maximize the lifespan and reliability of the bearings in various applications.
How do self-aligning bearings differ from fixed or non-self-aligning bearings?
Self-aligning bearings differ from fixed or non-self-aligning bearings in several ways. Here’s a detailed explanation of the differences between these types of bearings:
Design and Construction:
The design and construction of self-aligning bearings are distinct from fixed or non-self-aligning bearings. Self-aligning bearings have a spherical outer ring raceway, which allows for misalignment compensation. In contrast, fixed or non-self-aligning bearings typically have a cylindrical or tapered outer ring raceway, designed for precise alignment between the shaft and the housing.
Misalignment Compensation:
The primary difference between self-aligning bearings and fixed or non-self-aligning bearings is their ability to compensate for misalignment. Self-aligning bearings can accommodate angular misalignment, axial misalignment, and shaft deflection, whereas fixed or non-self-aligning bearings have limited tolerance for misalignment and require precise alignment during installation.
Load Distribution:
Self-aligning bearings distribute the load more evenly across the rolling elements and raceways, thanks to their ability to accommodate misalignment. This helps reduce localized stresses and minimize the risk of premature failure. Fixed or non-self-aligning bearings, without the ability to compensate for misalignment, may experience uneven loading and increased stress on specific areas, leading to accelerated wear and potential failure.
Friction and Wear:
Due to their misalignment compensation capability, self-aligning bearings help reduce friction and wear. Misalignment in fixed or non-self-aligning bearings can cause increased friction and localized wear, leading to reduced bearing life. Self-aligning bearings distribute the load more evenly, minimizing friction and wear on the rolling elements and raceways, resulting in improved reliability and longevity.
Application Range:
The different design and misalignment compensation capability of self-aligning bearings make them suitable for a broader range of applications compared to fixed or non-self-aligning bearings. Self-aligning bearings are commonly used in applications where misalignment is expected, such as heavy machinery, conveyor systems, and mining equipment. Fixed or non-self-aligning bearings are typically employed in applications that require precise alignment, such as machine tools or high-precision equipment.
Installation and Maintenance:
Self-aligning bearings offer easier installation and maintenance compared to fixed or non-self-aligning bearings. The self-aligning capability of these bearings allows for more flexibility during the installation process, accommodating slight misalignments. In contrast, fixed or non-self-aligning bearings require careful alignment procedures to ensure proper functioning. Additionally, self-aligning bearings are often designed for easier maintenance, enabling tasks such as re-greasing or replacement without extensive disassembly.
In summary, self-aligning bearings differ from fixed or non-self-aligning bearings in their design, misalignment compensation capability, load distribution, friction and wear characteristics, application range, and ease of installation and maintenance. These differences make self-aligning bearings particularly suitable for applications where misalignment is expected or dynamic operating conditions are present.
Iron retainerCopper retainer High strength/not easy to deformation/light Low noise/abrasion resistance/long service weight/low price life/good stability
Aligning roller bearings have 2 rows of rollers, mainly bear radial load, but also can withstand any direction of the axial load, has a high radial load capacity, especially suitable for heavy loads or vibration loads, but can not bear pure axial load, this kind of bearing outer ring raceway is spherical shape, so its aligning performance is good, can compensate for coaxial error
. Various product models for you to choose, low friction resistance, high speed
. It can be used on parts bearing radial loads or combined loads acting simultaneously in both radial and axial directions
. It can also be used on parts that bear axial loads.
. Selection of GCR15 bearing steel, high precision, bearing long service time, high ductility
. With a large amount of inventory, timely delivery, customer receiving cycle is short, convenient for customers to use quickly
Parameter:
Product Name
Self-aligning roller bearings
Brand Name
KSA
Material
Gcr15
Precision Grade
P0,P6,P5
Certification
ISO 9001
Packeage
Box /Carton/Wooden Box/Plastic Tube or Per buyers requirement
MOQ
Depending On Moedl
Serice
OEM
Sample
Available
Payment
TT or L/C or Western Union
Port
HangZhou
Product Analysis
Detailed Photos
Company Profile
About us
Specialized production
ZheJiang Kangshi Precision Bearing Manufacturing Co., Ltd., located in Yandian Town Industrial Park, HangZhou City, ZheJiang Province, mainly produces zero deep groove ball bearings, 2 types of cylindrical roller bearings, 3 types of aligning roller bearings, 6 types of angular contact ball bearings, 7 types of tapered roller bearings, eight types of thrust ball bearings, thrust bearings, 9 types of thrust aligning roller bearings, outer spherical bearings, auto parts, Motorcycle parts and other rolling bearings. Our factory has strong professional technology, good production equipment and perfect testing means, can fully meet the various types, specifications, high precision and special use requirements of bearing products customized processing, the production process of the product according to the strict national standards of enterprise internal control standards for the implementation of full inspection and multi-project comprehensive inspection of factory products, Can ensure the quality of each set of factory bearing products to meet national standards. Kangshi bearing has always implemented national standards, market prices, and implemented the “three guarantees” principle for customers: To ensure high-quality quality, preferential prices, superior after-sales service! Welcome customers at home and abroad to consult and negotiate business, the company will continue to win the trust of more customers with good product quality and reputation.
Our factory Quality assurance Order management
More than 15 years experience in product Stable raw material procurement, Good order tracking management,
manufacturing and sales traceable quality assessment good delivery and shipment control
Our certificate
Scope of application
Application fields: paper making machinery, reducer, railway vehicle axle, rolling mill gear box bearing seat, rolling mill roller, crusher, vibrating screen, printing machinery, woodworking machinery, all kinds of industry reducer, vertical aligning bearing with seat, etc
FAQ
Q: What is the MOQ? A: It depends on the bearing type. You can send inquiry or send e-mail for more information. Q: How about the package? A: Industrial packing in general condition (Plastic drums/boxes/industrial packaging + cartons + pallets). Accept design package when OEM. Q: How long is the delivery time? A: It will take about 10 to 40 days, depends on the model and quantity. Q:What are the advantages of your company’s services compared to other companies? A: Factory direct supply, price advantage, 24 hours online timely reply, Provide customers with customs clearance and quality of various documents, 100% after-sales service Q:OEM POLICY A:We can printing your brand (logo,artwork)on the bearings or laser engraving your brand on the bearings. We can custom your packaging according to your design All copyright own by clients and we promised don’t disclose any info. Q:How to contact us quickly? A:Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.
Please feel free to cntact us, if you have any other question
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
You can apply for a refund up to 30 days after receipt of the products.
What are the eco-friendly or sustainable aspects of self-aligning bearing materials?
Self-aligning bearings can incorporate eco-friendly or sustainable aspects in their material composition. Here’s a detailed explanation:
Recyclable Materials:
Many self-aligning bearings are made from materials that are recyclable. Steel, which is commonly used for bearing rings and rolling elements, is highly recyclable and can be processed and reused multiple times without significant loss of properties. By choosing self-aligning bearings made from recyclable materials, the environmental impact associated with the disposal and production of bearings can be reduced.
Low Environmental Footprint:
The production of self-aligning bearings involves various manufacturing processes. Manufacturers often strive to optimize these processes to minimize energy consumption, reduce waste generation, and lower greenhouse gas emissions. By improving energy efficiency and reducing environmental footprint during production, self-aligning bearing manufacturers contribute to sustainable practices.
Reduced Material Consumption:
The design and development of self-aligning bearings focus on optimizing their performance while minimizing material consumption. Through advanced engineering techniques, including material selection, design optimization, and improved manufacturing processes, manufacturers can reduce the amount of material required to produce self-aligning bearings. This not only helps to conserve natural resources but also reduces the overall weight of the bearing, leading to lower energy consumption during operation.
Alternative Materials:
In recent years, there have been advancements in the development of alternative bearing materials that offer improved sustainability characteristics. For example:
Ceramic Bearings: Ceramic materials, such as silicon nitride or zirconia, are increasingly used in self-aligning bearings due to their excellent wear resistance, corrosion resistance, and high-temperature capabilities. Ceramic bearings can contribute to sustainability by reducing the need for lubrication, extending maintenance intervals, and minimizing the use of lubricants that may have environmental impacts.
Polymer Bearings: Self-aligning bearings made from polymer materials, such as reinforced plastics or engineered polymers, offer advantages such as self-lubrication, resistance to corrosion and chemicals, and reduced weight. Polymer bearings can provide sustainability benefits by eliminating the need for external lubrication, reducing friction and energy consumption, and offering potential for longer service life.
Extended Service Life:
Self-aligning bearings with extended service life contribute to sustainability by reducing the frequency of bearing replacements and associated waste generation. Advancements in bearing materials, surface treatments, and lubrication technologies have led to improved durability and longer operating life, resulting in reduced environmental impact and lower maintenance requirements.
It’s important to note that while self-aligning bearing materials can have eco-friendly or sustainable aspects, the overall sustainability of an application or system also depends on other factors, such as energy efficiency, proper maintenance practices, and end-of-life disposal considerations. Therefore, a holistic approach considering the entire lifecycle of the equipment and its components is essential for achieving sustainable practices.
How do self-aligning bearings perform in applications with varying loads and misalignment challenges?
Self-aligning bearings are specifically designed to perform exceptionally well in applications with varying loads and misalignment challenges. Here’s an in-depth explanation of their performance characteristics:
Misalignment Compensation:
Self-aligning bearings are capable of accommodating various types of misalignment, including angular misalignment and shaft deflection. They feature a design that incorporates two rows of rolling elements, such as balls or rollers, and a spherical outer ring raceway. This design allows the bearing to self-align, adapting to misalignment caused by factors such as shaft deflection, mounting errors, thermal expansion, and vibrations. Self-aligning bearings can handle misalignment within certain limits, maintaining proper alignment between the mating components and minimizing additional stresses on the bearing.
Load-Carrying Capacity:
Self-aligning bearings are engineered to handle high loads, both radial and axial. They have a robust construction with larger rolling elements and increased contact area, enabling them to distribute the load more effectively. This enhanced load-carrying capacity makes self-aligning bearings suitable for applications where varying loads are encountered. Whether it’s fluctuating radial loads, axial loads, or a combination of both, self-aligning bearings can handle the dynamic forces and provide reliable performance.
Flexibility and Versatility:
Self-aligning bearings offer flexibility and versatility in applications with varying loads and misalignment challenges. They can operate in conditions where shafts are not perfectly aligned or where there are slight shaft movements. This flexibility allows for easier installation and alignment adjustments, reducing the time and effort required for precise positioning of the bearing. Additionally, self-aligning bearings are available in different designs and configurations, including ball bearings and roller bearings, providing options to match specific application requirements.
Reduced Friction and Heat Generation:
Self-aligning bearings are designed to minimize friction and heat generation during operation. The rolling elements and raceways are precisely engineered to reduce contact stresses and optimize the distribution of forces. This results in lower friction levels and reduced heat buildup, enhancing the overall efficiency and reliability of the bearing in applications where varying loads and misalignment challenges are present.
Extended Service Life:
Due to their ability to accommodate misalignment and handle varying loads, self-aligning bearings contribute to an extended service life of the machinery. By reducing the stresses and excessive forces on the bearing and its surrounding components, self-aligning bearings help minimize wear, prevent premature failure, and increase the overall durability of the equipment.
In summary, self-aligning bearings excel in applications with varying loads and misalignment challenges. Their ability to compensate for misalignment, handle high loads, provide flexibility in installation, and reduce friction and heat generation makes them well-suited for industries such as mining, construction, paper manufacturing, steel production, and many others where these challenges are prevalent.
How do self-aligning bearings compensate for misalignment in machinery?
Self-aligning bearings are designed to compensate for misalignment in machinery, allowing them to accommodate angular misalignment, axial misalignment, and shaft deflection. Here’s a detailed explanation of how self-aligning bearings achieve misalignment compensation:
Spherical Outer Ring Raceway:
The key feature of self-aligning bearings is their spherical outer ring raceway. This raceway is designed to have a curvature that matches the spherical shape of the rolling elements, such as balls or rollers. The spherical outer ring raceway allows the bearing to tilt or swivel in response to misalignment, enabling it to self-align with the mating components.
Rolling Element Design:
The rolling elements in self-aligning bearings are carefully designed to facilitate misalignment compensation. For example, spherical roller bearings have barrel-shaped rollers, while self-aligning ball bearings have two rows of balls. These rolling elements can adjust their positions within the bearing, redistributing the load and accommodating misalignment between the shaft and the housing.
Internal Clearance:
Self-aligning bearings often have a larger internal clearance compared to fixed or non-self-aligning bearings. This additional clearance provides space for the bearing components to move and adjust their positions during misalignment. The internal clearance allows the bearing to properly distribute the load, reduce friction, and prevent excessive stress on the rolling elements and raceways.
Flexible Mounting:
Self-aligning bearings offer flexibility in their mounting arrangements. They can tolerate slight misalignments during installation, which simplifies the alignment process. This flexibility is particularly beneficial in applications where thermal expansion, shaft deflection, or other dynamic factors may cause misalignment during operation.
Load Distribution:
When misalignment occurs, self-aligning bearings distribute the load more evenly across the rolling elements and raceways. This even load distribution helps reduce localized stresses and minimizes the risk of premature failure. By accommodating misalignment, self-aligning bearings allow for smoother operation and improved reliability in machinery.
It’s important to note that while self-aligning bearings can compensate for certain degrees of misalignment, there are limits to their misalignment capability. Excessive misalignment beyond the bearing’s specified limits can lead to increased friction, reduced bearing life, and potential damage. Therefore, it is crucial to follow the manufacturer’s guidelines and recommendations regarding misalignment limits and operating conditions to ensure optimal performance and longevity of self-aligning bearings in machinery.
Auto Parts Self-Aligning Spherical Roller Bearing/Auto Bearing 21306 to 21310
About Spherical Roller Bearing 1): CZPT to accommodate misalignment 2): Suitable for high axial and some radial loads 3): Relatively high speed ratings 4): type : YM (CA,CAM,EAS ) ,YMB ,MB,CJ(CC CD RH) ,E (E1) 5): Application examples: Heavy vertical shafts, injection moulding machines, etc.
New Item
Old Item
Structure
Specifications(dxDxT)mm
Weight/kg
22207
3507
MB/CA/CC/EK/CK/CMW33
35x72x23
0.43
22208
3508
MB/CA/CC/E/K/CK/CMW33
40X80X23
0.55
22209
3509
MB/CA/CC/E/K/CK/CMW33
45X85X23
0.59
22210
3510
MB/CA/CC/E/K/CK/CMW33
50X90X23
0.64
22211
3511
MB/CA/CC/E/K/CK/CMW33
55X100X25
0.88
22212
3512
MB/CA/CC/E/K/CK/CMW33
60X110X28
1.19
22213
3513
MB/CA/CC/E/K/CK/CMW33
65X120X31
1.6
22214
3514
MB/CA/CC/E/K/CK/CMW33
70X125X31
1.68
22215
3515
MB/CA/CC/E/K/CK/CMW33
75X130X31
1.75
22216
3516
MB/CA/CC/E/K/CK/CMW33
80X140X33
2.12
22217
3517
MB/CA/CC/E/K/CK/CMW33
85X150X36
2.79
22218
3518
MB/CA/CC/E/K/CK/CMW33
90X160X40
3.78
22219
3519
MB/CA/CC/E/K/CK/CMW33
95X170X43
4.31
22220
3520
MB/CA/CC/E/K/CK/CMW33
100X180X46
5.06
22222
3522
MB/CA/CC/E/K/CK/CMW33
110X200X53
7.4
22224
3524
MB/CA/CC/E/K/CK/CMW33
120X215X58
9.267
22226
3526
MB/CA/CC/E/K/CK/CMW33
130X230X64
11.5
22228
3528
MB/CA/CC/E/K/CK/CMW33
140X250X68
14.5
22230
3530
MB/CA/CC/E/K/CK/CMW33
150X270X73
18.4
22232
3532
MB/CA/CC/E/K/CK/CMW33
160X260X80
22.3
22234
3534
MB/CA/CC/E/K/CK/CMW33
170X310X86
28.7
22236
3536
MB/CA/CC/E/K/CK/CMW33
180X320X86
30.5
22238
3538
MB/CA/CC/E/K/CK/CMW33
190X320X92
35.55
22240
3540
MB/CA/CC/E/K/CK/CMW33
200X360X98
44.7
22244
3544
MB/CA/CC/E/K/CK/CMW33
220X400X108
63
22248
3548
MB/CA/CC/E/K/CK/CMW33
240X440X120
83.2
22252
3552
MB/CA/CC/E/K/CK/CMW33
260X480X130
105
22256
3556
MB/CA/CC/E/K/CK/CMW33
280X500X130
126
22260
3560
MB/CA/CC/E/K/CK/CMW33
300X540X140
143
22306
3606
MB/CA/CC/E/K/CK/CMW33
30x70x22
0.37
22307
3607
MB/CA/CC/E/K/CK/CMW33
35x80x31
0.75
22308
3608
MB/CA/CC/E/K/CK/CMW33
40x90x33
1.07
22309
3609
MB/CA/CC/E/K/CK/CMW33
45x90x33
1.4
22310
3610
MB/CA/CC/E/K/CK/CMW33
50x110x40
1.83
22311
3611
MB/CA/CC/E/K/CK/CMW33
55x120x43
2.4
22312
3612
MB/CA/CC/E/K/CK/CMW33
60x130x46
2.88
22313
3613
MB/CA/CC/E/K/CK/CMW33
65x140x48
3.52
22314
3614
MB/CA/CC/E/K/CK/CMW33
70x150x51
4.21
22315
3615
MB/CA/CC/E/K/CK/CMW33
75x160x55
5.47
22316
3616
MB/CA/CC/E/K/CK/CMW33
80x170x58
6.19
22317
3617
MB/CA/CC/E/K/CK/CMW33
85x180x60
7.5
22318
3618
MB/CA/CC/E/K/CK/CMW33
90x190x64
8.96
22319
3619
MB/CA/CC/E/K/CK/CMW33
95x200x67
9.93
22320
3620
MB/CA/CC/E/K/CK/CMW33
100x215x73
13
22322
3622
MB/CA/CC/E/K/CK/CMW33
110x240x80
17.95
22324
3624
MB/CA/CC/E/K/CK/CMW33
120x246x80
22.4
22326
3626
MB/CA/CC/E/K/CK/CMW33
130x280x93
28.2
22328
3628
MB/CA/CC/E/K/CK/CMW33
140x300x102
35.12
22330
3630
MB/CA/CC/E/K/CK/CMW33
150x320x108
43.7
22332
3632
MB/CA/CC/E/K/CK/CMW33
160x340x114
52.2
22334
3634
MB/CA/CC/E/K/CK/CMW33
170x360x120
60.7
Our packing: * Industrial pakage+outer carton+pallets * sigle box+outer carton+pallets * Tube package+middle box+outer carton+pallets * According to your requirments
We have been engaged in foreign trade for more than 6 years and are well-known enterprises in ZheJiang Province. The fixed assets of the machine are more than 2 million US dollars, and the annual foreign trade sales volume exceeds 2 million US dollars. We have extensive cooperation with countries in Asia, Europe, and the Americas. Including Russia, Ukraine, elarus, Kazakhstan, Uzbekistan, Tajikistan, Spain, Mexico,India, Pakistan, Turkey, Vietnam and other industrial areas.
SAMPLES 1.Samples quantity: 1-10 pcs are available. 2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost. 3.It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED The customized LOGO or drawing is acceptable for us.
MOQ 1.MOQ: 10 pcs mix different standard bearings. 2.MOQ: 3000 pcs customized your brand bearings.
OEM POLICY 1.We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield. 2.We can custom your packaging according to your design 3.All copyright own by clients and we promised don’t disclose any info.
SUPORT Please visit our bearings website, we strongly encourge that you can communicate with us through email,thanks!
We have all kinds of bearings, just tell me your item number and quantity,best price will be offered to you soon The material of the bearings, precision rating, seals type,OEM service,etc, all of them we can make according to your requirement.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
You can apply for a refund up to 30 days after receipt of the products.
What is the role of cage design and materials in self-aligning bearing performance and durability?
The cage design and materials used in self-aligning bearings play a crucial role in determining their performance and durability. Here’s a detailed explanation:
Guiding and Retaining Rolling Elements:
The primary function of the cage in a self-aligning bearing is to guide and retain the rolling elements, such as balls or rollers, in their proper positions. The cage prevents the rolling elements from contacting and rubbing against each other, ensuring smooth and controlled movement within the bearing. By providing precise spacing and alignment, the cage maintains the integrity of the bearing assembly and optimizes load distribution. It also minimizes the risk of damage or premature wear caused by improper positioning or collision of the rolling elements.
Reducing Friction and Heat Generation:
The cage design and materials can significantly impact the friction and heat generation within the self-aligning bearing. An efficient cage design ensures proper lubrication distribution by allowing the lubricant to reach all the critical contact points between the rolling elements and raceways. This reduces friction and minimizes the associated heat generation, leading to improved overall bearing efficiency and reduced energy losses. Additionally, the choice of materials for the cage should consider factors such as low friction coefficients and good thermal conductivity to further optimize performance.
Maintaining Alignment and Stability:
Self-aligning bearings are designed to accommodate misalignment between the shaft and the housing. The cage plays a vital role in maintaining the alignment and stability of the rolling elements, ensuring that they stay properly seated and aligned during operation. A well-designed cage provides sufficient space and support for the rolling elements to adjust and align themselves, even under dynamic conditions or when subjected to external forces. This enables the self-aligning bearing to continue operating smoothly and efficiently, minimizing the risk of excessive stress, wear, or premature failure.
Enhancing Durability and Service Life:
The cage design and materials significantly impact the durability and service life of self-aligning bearings. A robust and durable cage is essential for withstanding the loads, impact forces, and vibrations that can occur during operation. The cage should be resistant to wear, fatigue, and corrosion to ensure long-term performance and reliability. By selecting appropriate cage materials, such as high-strength steels, thermoplastics, or engineered polymers, manufacturers can enhance the durability and service life of self-aligning bearings in various operating conditions.
Reducing Weight and Inertia:
The cage design and materials also influence the weight and inertia of the self-aligning bearing. Lighter cage materials, such as certain polymers or composite materials, can help reduce the overall weight of the bearing assembly. This has several benefits, including lower energy consumption, reduced centrifugal forces, and improved dynamic performance. By minimizing the weight and inertia of the cage, self-aligning bearings can operate at higher speeds, exhibit improved response times, and potentially achieve higher levels of performance and efficiency.
Overall, the cage design and materials used in self-aligning bearings are critical factors in determining their performance, durability, and overall efficiency. A well-designed cage facilitates proper guidance and retention of the rolling elements, reduces friction and heat generation, maintains alignment and stability, enhances durability and service life, and contributes to overall weight optimization. By considering the specific application requirements and selecting the appropriate cage design and materials, engineers can optimize the performance and durability of self-aligning bearings in a wide range of industrial applications.
Can you explain the installation and alignment considerations for self-aligning bearings?
Proper installation and alignment are crucial for the optimal performance and longevity of self-aligning bearings. Here’s a detailed explanation of the installation and alignment considerations:
Pre-Installation Preparation:
Prior to the installation of self-aligning bearings, it is essential to ensure a clean and suitable working environment. Here are some key considerations:
Cleanliness: The work area should be clean and free from dust, dirt, and contaminants to prevent the ingress of foreign particles during the installation process.
Tools and Equipment: Prepare the necessary tools and equipment required for the installation, including suitable lifting devices, torque wrenches, and lubrication apparatus.
Inspection: Thoroughly inspect the bearing and its components for any signs of damage or defects. Replace any worn or damaged parts before proceeding with the installation.
Lubrication: Apply the recommended lubricant to the bearing and ensure that it is properly distributed before installation. Lubrication helps reduce friction, prevent excessive wear, and facilitate smooth operation.
Mounting Considerations:
When mounting self-aligning bearings, it is important to follow certain guidelines to ensure proper fit and alignment:
Shaft and Housing Tolerances: Check the shaft and housing tolerances to ensure they comply with the specifications provided by the bearing manufacturer. Proper tolerances help achieve the correct fit and prevent excessive clearance or interference.
Shaft and Housing Preparation: Clean the shaft and housing surfaces and remove any burrs or rough edges that could interfere with the bearing’s seating. Ensure that the shaft and housing are machined to the recommended tolerances and finishes.
Mounting Method: There are various methods for mounting self-aligning bearings, including press fitting, thermal expansion, and hydraulic mounting. Follow the manufacturer’s instructions and recommended mounting method to ensure a secure and accurate fit.
Sealing: If the self-aligning bearing has integral seals or shields, ensure that they are correctly positioned and aligned during installation. Proper sealing helps protect the bearing against contaminants and extends its service life.
Tightening: When tightening the bearing onto the shaft or in the housing, use the recommended torque values provided by the manufacturer. Over-tightening can lead to excessive preload or damage, while under-tightening can result in insufficient seating and compromised performance.
Alignment Considerations:
Proper alignment is crucial for self-aligning bearings to function optimally. Here are some alignment considerations:
Angular Misalignment: Self-aligning bearings can accommodate angular misalignment to a certain degree. However, it is important to keep the misalignment within the manufacturer’s specified limits to prevent excessive stress and premature wear.
Shaft Deflection: Consider the potential shaft deflection that may occur during operation and ensure that the self-aligning bearing can handle the expected deflection without exceeding its capacity. This may involve selecting a bearing with appropriate load-carrying capacity and considering additional support or stabilization measures.
Alignment Verification: After installation, verify the alignment of the self-aligning bearing by measuring the axial and radial runout using appropriate alignment tools. Adjust the positioning if necessary to achieve the desired alignment within the specified tolerances.
By following these installation and alignment considerations, you can ensure the proper fit, alignment, and performance of self-aligning bearings. Adhering to the manufacturer’s guidelines and best practices helps maximize the lifespan and reliability of the bearings in various applications.
How do self-aligning bearings differ from fixed or non-self-aligning bearings?
Self-aligning bearings differ from fixed or non-self-aligning bearings in several ways. Here’s a detailed explanation of the differences between these types of bearings:
Design and Construction:
The design and construction of self-aligning bearings are distinct from fixed or non-self-aligning bearings. Self-aligning bearings have a spherical outer ring raceway, which allows for misalignment compensation. In contrast, fixed or non-self-aligning bearings typically have a cylindrical or tapered outer ring raceway, designed for precise alignment between the shaft and the housing.
Misalignment Compensation:
The primary difference between self-aligning bearings and fixed or non-self-aligning bearings is their ability to compensate for misalignment. Self-aligning bearings can accommodate angular misalignment, axial misalignment, and shaft deflection, whereas fixed or non-self-aligning bearings have limited tolerance for misalignment and require precise alignment during installation.
Load Distribution:
Self-aligning bearings distribute the load more evenly across the rolling elements and raceways, thanks to their ability to accommodate misalignment. This helps reduce localized stresses and minimize the risk of premature failure. Fixed or non-self-aligning bearings, without the ability to compensate for misalignment, may experience uneven loading and increased stress on specific areas, leading to accelerated wear and potential failure.
Friction and Wear:
Due to their misalignment compensation capability, self-aligning bearings help reduce friction and wear. Misalignment in fixed or non-self-aligning bearings can cause increased friction and localized wear, leading to reduced bearing life. Self-aligning bearings distribute the load more evenly, minimizing friction and wear on the rolling elements and raceways, resulting in improved reliability and longevity.
Application Range:
The different design and misalignment compensation capability of self-aligning bearings make them suitable for a broader range of applications compared to fixed or non-self-aligning bearings. Self-aligning bearings are commonly used in applications where misalignment is expected, such as heavy machinery, conveyor systems, and mining equipment. Fixed or non-self-aligning bearings are typically employed in applications that require precise alignment, such as machine tools or high-precision equipment.
Installation and Maintenance:
Self-aligning bearings offer easier installation and maintenance compared to fixed or non-self-aligning bearings. The self-aligning capability of these bearings allows for more flexibility during the installation process, accommodating slight misalignments. In contrast, fixed or non-self-aligning bearings require careful alignment procedures to ensure proper functioning. Additionally, self-aligning bearings are often designed for easier maintenance, enabling tasks such as re-greasing or replacement without extensive disassembly.
In summary, self-aligning bearings differ from fixed or non-self-aligning bearings in their design, misalignment compensation capability, load distribution, friction and wear characteristics, application range, and ease of installation and maintenance. These differences make self-aligning bearings particularly suitable for applications where misalignment is expected or dynamic operating conditions are present.
About Spherical Roller Bearing 1): CZPT to accommodate misalignment 2): Suitable for high axial and some radial loads 3): Relatively high speed ratings 4): Type: YM (CA, CAM, EAS ), YMB, MB, CJ(CC CD RH), E (E1) 5): Application examples: Heavy vertical shafts, injection moulding machines, etc.
Bearing No.
Dimensions (mm)
Basic load rating
Limiting speed(r/min)
Weight (kg)
Cylindrical Bore
Taper Bore
D
D
B
Rmin
Cr
Cor
Grease
Oil
22 Series
22208CC
22208CCK
40
80
23
1.1
77.0
88.5
5000
6300
0.524
22209CC
22209CCK
45
85
23
1.1
80.5
95.2
4500
6000
0.571
22210CC
22210CCK
50
90
23
1.1
83.8
102.0
4300
5300
0.614
22211CC
22211CCK
55
100
25
1.5
102.0
125.0
3800
5000
0.847
22212CC
22212CCK
60
110
28
1.5
122.0
155.0
3600
4500
1.150
22213CC
22213CCK
65
120
31
1.5
150.0
195.0
3200
4000
1.540
22214CC
22214CCK
70
125
31
1.5
150.0
195.0
3000
3800
1.600
22215CC
22215CCK
75
730
31
1.5
162.0
215.0
3000
3800
1.690
22216CC
22216CCK
80
140
33
2.0
175.0
235.0
2800
3400
2.130
22217CC
22217CCK
85
150
36
2.0
212…0
282.0
2600
3200
2.670
22218CC
22218CCK
90
160
40
2.0
250.0
338.0
2400
3000
3.380
23 Series
22308CC
22308CCK
40
90
33
1.5
120.0
138.0
4500
6000
1.571
22309CC
22309CCK
45
100
36
1.5
142.0
170.0
4000
5300
1.370
22310CC
22310CCK
50
110
40
2.0
178.0
212.0
3800
4800
1.790
22311CC
22311CCK
55
120
43
2.0
210.0
252.0
3400
4300
2.310
22312CC
22312CCK
60
130
46
2.1
242.0
292.0
3200
4000
2.880
22313CC
22313CCK
65
140
48
2.1
265.0
320.0
3000
3800
3.470
22314CC
22314CCK
70
150
51
2.1
312.0
395.0
2800
3400
4.340
22315CC
22315CCK
75
160
55
2.1
348.0
448.0
2600
3200
5.280
Our packing: * Industrial pakage+outer carton+pallets * sigle box+outer carton+pallets * Tube package+middle box+outer carton+pallets * According to your requirments
We have been engaged in foreign trade for more than 6 years and are well-known enterprises in ZheJiang Province. The fixed assets of the machine are more than 2 million US dollars, and the annual foreign trade Sales volume exceeds 2 million US dollars. We have extensive cooperation with countries in Asia, Europe, and the Americas. Including Russia, Ukraine, Elarus, Kazakhstan, Uzbekistan, Tajikistan, Spain, Mexico, India, Pakistan, Turkey, Vietnam and other industrial Areas.
SAMPLES 1. Samples quantity: 1-10 PCS are available. 2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost. 3. It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED The customized LOGO or drawing is acceptable for us.
MOQ 1. MOQ: 10 PCS mix different standard bearings. 2. MOQ: 3000 PCS customized your brand bearings.
OEM POLICY 1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield. 2. We can custom your packaging according to your design 3. All copyright own by clients and we promised don’t disclose any info.
SUPORT Please visit our bearings website, we strongly encourge that you can communicate with us through email, thanks!
We have all kinds of bearings, just tell me your item number and quantity, best price will be offered to you soon The material of the bearings, precision rating, seals type, OEM service, etc, all of them we can make according to your requirement.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
You can apply for a refund up to 30 days after receipt of the products.
How do self-aligning bearings enhance the overall efficiency and functionality of machinery and equipment?
Self-aligning bearings play a crucial role in enhancing the overall efficiency and functionality of machinery and equipment. Here’s a detailed explanation:
Compensation for Misalignment:
One of the key benefits of self-aligning bearings is their ability to compensate for misalignment between the shaft and the housing. Misalignment can occur due to various factors such as shaft deflection, thermal expansion, or mounting errors. Self-aligning bearings have the capability to accommodate angular misalignment, axial displacement, and shaft deflection, ensuring smooth operation even in challenging conditions. By accommodating misalignment, self-aligning bearings minimize stress and wear on other components, reducing the risk of premature failure and improving overall machinery efficiency.
Reduced Friction and Energy Consumption:
Self-aligning bearings are designed to operate with low friction, which helps to reduce energy consumption within the machinery or equipment. The rolling elements and raceways of self-aligning bearings are precisely engineered to minimize contact friction. This reduced friction results in lower power losses, allowing the machinery to operate more efficiently and potentially leading to energy savings.
Increased Reliability and Service Life:
Self-aligning bearings contribute to the overall reliability and service life of machinery and equipment. By accommodating misalignment and reducing friction, they help to distribute loads evenly, minimize stress concentrations, and prevent premature wear and failures. This improved load distribution and reduced friction can extend the service life of other critical components, such as gears, shafts, and seals. Additionally, self-aligning bearings often feature robust designs and high-quality materials, further enhancing their durability and reliability in demanding operating conditions.
Enhanced Performance in Challenging Environments:
Self-aligning bearings are well-suited for applications in challenging environments. They can withstand conditions such as high temperatures, extreme speeds, or contaminated operating conditions. The ability to accommodate misalignment and the use of specialized bearing materials and lubricants enable self-aligning bearings to maintain their performance and functionality in adverse conditions. This enhances the overall efficiency and reliability of machinery and equipment in industries such as mining, steel, paper, and food processing.
Ease of Installation and Maintenance:
Self-aligning bearings are designed for ease of installation and maintenance. Their self-aligning capability simplifies the alignment process during installation, reducing the time and effort required. Additionally, self-aligning bearings often feature integrated seals or shields that help to protect against contamination and retain lubrication, resulting in reduced maintenance requirements. The ease of installation and maintenance of self-aligning bearings contributes to the overall efficiency of machinery and equipment by minimizing downtime and improving overall operational productivity.
Overall, self-aligning bearings enhance the efficiency and functionality of machinery and equipment by accommodating misalignment, reducing friction and energy consumption, increasing reliability and service life, performing well in challenging environments, and enabling easier installation and maintenance. By incorporating self-aligning bearings into their designs, engineers and equipment manufacturers can optimize performance, reduce downtime, and improve the overall efficiency of their machinery and equipment.
What are the potential challenges or limitations associated with using self-aligning bearings in specific industries?
While self-aligning bearings offer many advantages, there are some potential challenges and limitations associated with their use in specific industries. Here’s a detailed explanation of these considerations:
Load Capacity:
While self-aligning bearings are designed to handle high loads, there are limits to their load-carrying capacity. In industries with extremely heavy or shock loads, such as heavy machinery, mining, or construction, the load demands may exceed the capabilities of self-aligning bearings. In such cases, alternative bearing designs or additional support mechanisms may be required to handle the extreme load conditions.
Speed Limitations:
Self-aligning bearings may have certain speed limitations due to factors such as centrifugal forces, increased friction, or potential instability at high rotational speeds. In industries that require very high-speed applications, such as aerospace or certain manufacturing processes, specialized high-speed bearings may be more suitable to ensure optimal performance and prevent premature failure.
Temperature and Environmental Constraints:
Self-aligning bearings have specific temperature and environmental constraints that can impact their performance. In industries involving extreme temperatures, aggressive chemicals, or harsh environmental conditions, the choice of bearing materials and lubricants becomes critical. Certain industries, such as oil and gas, chemical processing, or marine applications, may require specialized bearing designs or coatings to withstand the demanding operating conditions.
Maintenance and Lubrication:
Proper maintenance and lubrication are essential for the reliable operation of self-aligning bearings. In industries where access for maintenance is challenging or where frequent maintenance is not feasible, the longevity and performance of self-aligning bearings may be compromised. Additionally, industries with high contamination or abrasive particles in the operating environment may require more frequent lubrication or specialized sealing arrangements to protect the bearings from premature wear and failure.
Space Limitations:
Self-aligning bearings have a larger footprint compared to some other bearing designs due to their double-row construction and spherical outer ring raceway. In industries with space constraints or compact machinery designs, the dimensions of self-aligning bearings may pose challenges in terms of integration or fitting within limited spaces. In such cases, alternative bearing designs with smaller profiles may be more suitable.
Cost Considerations:
Self-aligning bearings can be more expensive compared to certain other bearing types, especially in applications that require larger sizes or specialized configurations. In industries with cost-sensitive considerations, such as consumer products or automotive manufacturing, the higher cost of self-aligning bearings may influence the selection of alternative bearing options that can meet the application requirements at a lower cost.
While self-aligning bearings offer numerous benefits, it is important to carefully evaluate the specific challenges and limitations in each industry or application. By considering these factors and consulting with bearing experts or manufacturers, the most suitable bearing solution can be selected to ensure optimal performance, reliability, and cost-effectiveness.
Can you describe the load-carrying capacity and load ratings of self-aligning bearings?
Self-aligning bearings are designed to carry both radial and axial loads, and their load-carrying capacity is an essential consideration for their proper selection and application. Here’s a detailed description of the load-carrying capacity and load ratings of self-aligning bearings:
Radial Load Capacity:
The radial load capacity of a self-aligning bearing refers to its ability to carry loads that act perpendicular to the axis of rotation. It is influenced by factors such as bearing geometry, material properties, and internal design. Self-aligning bearings, particularly spherical roller bearings, are known for their high radial load-carrying capacity. This is due to their construction that includes multiple rows of robust rolling elements and optimized raceway profiles. The larger contact area between the rolling elements and raceways allows for efficient load distribution, enabling the bearing to handle substantial radial loads.
Axial Load Capacity:
The axial load capacity of a self-aligning bearing refers to its ability to carry loads that act parallel to the axis of rotation. The axial load-carrying capacity depends on the bearing type and design, as well as the arrangement of rolling elements. Self-aligning thrust roller bearings, for example, are specifically designed to handle significant axial loads. They utilize cylindrical or tapered rolling elements arranged in a specific orientation to withstand axial forces. Self-aligning ball bearings can also carry moderate axial loads in addition to their primary radial load-carrying capacity.
Dynamic Load Rating:
The dynamic load rating of a self-aligning bearing is a standardized value that indicates the maximum load that the bearing can sustain for a specified number of rotations or operating hours without experiencing premature fatigue failure. It is expressed in terms of the calculated dynamic equivalent radial or axial load, which takes into account the actual load distribution within the bearing. The dynamic load rating is typically provided by the manufacturer and allows engineers to compare and select bearings based on their expected performance under dynamic operating conditions.
Static Load Rating:
The static load rating of a self-aligning bearing represents the maximum load that the bearing can sustain without permanent deformation or excessive stress when the bearing is stationary or subjected to very slow rotations. It is typically higher than the dynamic load rating. The static load rating is an important consideration for applications where the bearing may be subjected to prolonged static or slow-speed conditions, such as in machinery that operates with intermittent or intermittent rotational motion.
It is important to note that the load-carrying capacity and load ratings provided by manufacturers are based on standardized testing methods and assumptions about operating conditions. Actual load capacity can be influenced by factors such as temperature, lubrication, misalignment, and operating speed. Therefore, it is crucial to consider the specific application requirements and consult the manufacturer’s technical data and guidelines when selecting a self-aligning bearing to ensure its suitability and optimal performance.
