China high quality Long Life High Performance 2208 2RS Self-Aligning Roller Bearing for Automotive Car Part with Best Sales

Product Description

Long Life High Performance 2208 2RS Self-Aligning Roller Bearing for Automotive Car Part 

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
2208 40 80 23 7500 9000 22.5 7.38
2208K 40 80 23 7500 9000 22.5 7.38
2209 45 85 23 7100 8500 23.2 8
2209K 45 85 23 7100 8500 23.2 8
2210 50 90 23 6300 8000 23.2 8.45
2210K 50 90 23 6300 8000 23.2 8.45
2211 55 100 25 6000 7100 26.8 9.95
2211K 55 100 25 6000 7100 26.8 9.95
2212 60 110 28 5300 6300 34 12.5
2212K 60 110 28 5300 6300 34 12.5
2213 65 120 31 4800 6000 43.5 16.2
2213K 65 120 31 4800 6000 43.5 16.2
2214 70 125 31 4500 5600 44 17
2214K 70 125 31 4500 5600 44 17
2215 75 130 31 4300 5300 44.2 18
2215K 75 130 31 4300 5300 44.2 18
2304 20 52 21 11000 14000 17.8 4.75
2304K 20 52 21 11000 14000 17.8 4.75
2305 25 62 24 9500 12000 24.5 6.48
2305K 25 62 24 9500 12000 24.5 6.48
2306 30 72 27 8000 10000 31.5 8.68
2306K 30 72 27 8000 10000 31.5 8.68
2307 35 80 31 7100 9000 39.2 11
2307K 35 80 31 7100 9000 39.2 11
2308 40 90 33 6300 8000 44.8 13.2
2308K 40 90 33 6300 8000 44.8 13.2
2309 45 100 36 5600 7100 55 16.2
2309K 45 100 36 5600 7100 55 16.2
2310 50 110 40 5000 6300 64.5 19.8
2310K 50 110 40 5000 6300 64.5 19.8

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

self aligning bearing

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.

self aligning bearing

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.

self aligning bearing

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.

China high quality Long Life High Performance 2208 2RS Self-Aligning Roller Bearing for Automotive Car Part   with Best SalesChina high quality Long Life High Performance 2208 2RS Self-Aligning Roller Bearing for Automotive Car Part   with Best Sales
editor by CX 2024-05-15