China supplier ISO9001 Certified Self-Aligning Ball Bearing (2303-2310) with Great quality

Product Description

Self-aligning ball bearings can be made of plastic, ceramic, stainless steal and bearing steal.

Self-aligning ball bearings has 2 kinds of structures which are cylindrical bore and tapered bore. The material of the cage can be steel plale or synthetic resine etc. Its speciality is that its outer race are in spherical shape, and with the ability of self-aligning. It can repair the errors caused by different concentricity and deflection ,but its inner and outer ring relative slop is not allowed to be over 3  degrees


Guarantee the Quality standard contract. 

Guarantee the Delivery time as ASSURED (MAX. 40D)

Guarantee the Material as ASSURED

Guarantee the Package As ASSURED  


 Our Advantages
1, Experience: 20 years experience on bearing manufacturing and exporting. 
2, Customer: Exporting to more than 126 countries on 6 continents
3, Quality standard: ONLY Above than P6
4, Delivery Within: 10-40 days after T/T or L/C, pay penalty for any delay. 

51100 10*24*9
51101 12*26*9
51102 15*28*9
51103 17*30*9
51104 20*35*10
51105 25*42*11
51106 30*47*11
51107 35*52*11
51108 40*60*13
51109 45*65*14
KJW51109 45*65*10.572
51110 50*70*14
51111 55*78*16
51112 60*85*17
51113 65*90*17
51114 70*95*18
51115 75*100*19
51116 80*105*19
51117 85*110*19
51118 90*120*22
51120 100*135*25
51122 110*145*25
51124 120*155*25
51126 130*170*30
51128 140*180*31
51128M 140*180*31
51130 150*190*31
51130M 150*190*31
51132 160*200*31
51132M 160*200*31
51134 170*215*34
51134M 170*215*34
51136 180*225*34
51136M 180*225*34
51138 190*240*37
51138M 190*240*37
51140M 220*250*38
51144 220*270*37
51148 240*300*45
51152 260*320*45
51156 280*350*53
51160 300*380*62
51164 320*400*63
51168 340*420*64
51172 360*440*66
51180 400*480*65
51184 420*500*65
511/530 530*640*85
511/600 600*710*85
511/670 670*800*105
517/780F1 780*930*100
517/1420F1 1420*1540*90
517/1830F1 1830*1950*90
51200 10*26*11
51201 12*28*11
51202 15*32*12
51203 17*35*12
51204 20*40*14
51205 25*47*15
51206 30*52*16
51207 35*62*18
51208 40*68*19
51209 45*73*20
51210 50*78*22
51211 55*90*25
51212 60*95*26
51213 65*100*27
51214 70*105*27
51215 75*110*27
51216 80*115*28
51217 85*125*31
51218 90*135*35
51220 100*150*38
51222 110*160*38
51222M 110*160*38
51224 120*170*39
51226 130*190*45
51228 140*200*46
51228M 140*200*46
51230 150*225*51
51232 160*225*51
51234 170*240*55
51236 180*250*56
51238J 190*270*62
51240J 200*280*62
51244J 220*300*63
51248 240*340*78
51252J 260*360*79
51256 280*380*80
51260 300*420*95
51268 340*460*96
51272 360*500*110
51292 460*620*130
512/500 500*620*135
53201 12*28*11.4
53202 15*32*13.3
53203 17*35*13.2
53204 20*40*14.7
53205 25*47*16.7
53206 30*52*17.8
53207 35*62*19.9
53208 40*68*20.3
53209 45*73*21.5
53210 50*78*23.5
53211 55*90*27.3
53212 60*95*28
53213 65*100*28.7
53214 70*105*28.8
53215 75*110*28.3
53216 80*115*29.5
53217 85*125*33.1
53218 90*135*39.5
53220 100*150*40.9
53224 120*170*40.6
53224U 200*300*75
52202 15*32*12
52203 17*35*12
52204 20*40*26
52205 25*47*28
52206 30*52*29
52207 35*62*34
52208 40*68*36
52209 45*73*37
52210 50*78*39
52211 55*90*45
52212 60*95*46
52213 65*100*47
52214 70*105*47
52215 75*110*47
52216 80*115*48
52217 85*125*55
52218 90*135*62
52220 100*150*67
52222 110*160*67
52224 120*170*67
52232 160*225*90
52232M 160*225*90
52236 180*250*98
52236M 180*250*98
52238 190*270*109
52238J 190*270*109
52240 200*280*109
51304 20*47*18
51305 25*52*18
51306 30*60*21
51307 35*68*24
51308 40*78*26
51309 45*85*28
51310 50*95*31
51311 55*105*35
51312 60*110*35
51313 65*115*36
51314 70*125*40
51315 75*135*44
51316 80*140*44
51317 85*150*49
51318 90*155*50
51320 100*170*55
51324 120*210*70
51326 130*225*75
51328M 140*240*80
51330 150*250*80
51330M 150*250*80
51332 160*270*87
51334 170*280*87
51336 180*300*95
51338 190*320*105
51340 200*340*110
51348 240*380*112
51368 340*540*160
53306 30*60*22.6
53307 35*68*25.4
53308 40*78*28.5
53309 45*85*30.1
53310 50*95*34.3
53311 55*105*39.3
53312 60*110*38.3
53313 65*115*39.4
53314 70*125*44.2
53315 75*135*43.1
53316 80*140*47.6

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Separated: Unseparated
Load Direction: Radial Bearing
Material: Bearing Steel
Outer Dia.: From 47mm to 110mm
Rolling Body: Ball Bearings
The Number of Rows: Single


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

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.

self aligning bearing

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.

China supplier ISO9001 Certified Self-Aligning Ball Bearing (2303-2310)   with Great qualityChina supplier ISO9001 Certified Self-Aligning Ball Bearing (2303-2310)   with Great quality
editor by CX 2024-05-14