Product Description
Motorcycle Spare Part Cylindrical Rolling Bearings Self-aligning Roller Bearing with Two Rows Balls
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.
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| 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 |
|---|
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.
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.
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.
editor by CX 2024-04-16