PRODUCT
Thrust Ball Bearings
Bearing Overview
Thrust ball bearings are designed specifically to support axial loads only, while operating at relatively low speeds. They are not intended for radial load support, but excel in applications where precise axial positioning and smooth rotational movement are required.
A typical thrust ball bearing consists of a shaft washer (tight-fit washer), a housing washer (loose-fit washer), and a ball-and-cage assembly. This simple yet effective structure allows the bearing to carry axial forces efficiently while maintaining stable and low-friction operation.
Thrust ball bearings are available in single-direction and double-direction designs, making them suitable for different axial load requirements. They are widely used in machine tool spindles, automotive steering systems, vertical shafts, and low-speed industrial equipment where axial load control is critical.
Key Features
- Designed exclusively for axial load support
- Available in single-direction and double-direction types
- Low friction and smooth rotational performance
- Simple structure for easy installation and maintenance
- High precision axial positioning capability
- Suitable for low-speed applications
- Long service life under stable axial load conditions
- Custom materials and designs available upon request
Bearing Types
Thrust ball bearings are available in multiple configurations depending on load direction and application requirements:
Single Direction Thrust Ball Bearings (51000 Series)
- Designed to support axial load in one direction only
- Commonly used in machine tools and automotive systems
- Suitable for vertical shaft applications
Double Direction Thrust Ball Bearings (52000 Series)
- Capable of supporting axial loads in both directions
- Compact design for space-limited applications
- Provides improved axial stability
Thrust Angular Contact Ball Bearings
- Designed for higher speed and improved load capacity
- Better performance under combined axial and moment loads
… Many other bearing models and series are not listed here. If you have any specific requirements or questions, feel free to contact us.
Applications
Thrust ball bearings are widely used in systems where axial positioning is the primary requirement.
- Machine tool spindles
- Automotive steering systems
- Vertical pump shafts
- Rotary tables and indexing devices
- Low-speed gear assemblies
- Industrial presses
- Crane and lifting equipment
- Construction machinery
- HVAC systems
- General mechanical transmission systems
Technical Specifications
| Item | Available Options |
| Structure | Single Direction / Double Direction / Thrust Angular Contact |
| Series | 51000 / 52000 |
| Load Type | Axial Load Only |
| Bore Type | Cylindrical |
| Cage Material | Steel / Brass |
| Raceway Type | Flat / Grooved |
| Precision Grade | P0 / P6 |
| Clearance | CN / C3 |
| Lubrication | Grease or Oil |
| Material | High Carbon Chromium Bearing Steel |
Dimensions Table
Please refer to the table below for detailed dimensions and specifications of each series and model.
Many additional bearing models and customized solutions are available. If you have specific requirements, please feel free to contact us for technical support and selection guidance.
| Model NO. | Dimensions(mm) | Model NO. | Dimensions(mm) |
| 51100 | 10*24*9 | 51220 | 100*150*38 |
| 51101 | 12*26*9 | 51222 | 110*160*38 |
| 51102 | 15*28*9 | 51224 | 120*170*39 |
| 51103 | 17*30*9 | 51226 | 130*190*45 |
| 51104 | 20*35*10 | 51228 | 140*200*46 |
| 51105 | 25*42*11 | 51230 | 150*215*50 |
| 51106 | 30*47*11 | 51232 | 160*225*51 |
| 51107 | 35*52*12 | 51234 | 170*240*55 |
| 51108 | 40*60*13 | 51236 | 180*250*56 |
| 51109 | 45*65*14 | 51238 | 190*270*62 |
| 51110 | 50*70*14 | 51240 | 200*280*62 |
| 51111 | 55*78*16 | 51244 | 220*300*63 |
| 51112 | 60*85*17 | 51248 | 240*340*78 |
| 51113 | 65*90*18 | 51252 | 260*360*79 |
| 51114 | 70*95*18 | 51256 | 280*380*80 |
| 51115 | 75*100*19 | 51260 | 300*420*95 |
| 51116 | 80*105*19 | 51264 | 320*440*95 |
| 51117 | 85*110*19 | 51268 | 340*460*96 |
| 51118 | 90*120*22 | 51272 | 360*500*110 |
| 51120 | 100*135*25 | 51276 | 380*520*112 |
| 51122 | 110*145*25 | 51304 | 20*47*18 |
| 51124 | 120*155*25 | 51305 | 25*52*18 |
| 51126 | 130*170*30 | 51306 | 30*60*21 |
| 51128 | 140*180*31 | 51307 | 35*68*24 |
| 51130 | 150*190*31 | 51308 | 40*78*26 |
| 51132 | 160*200*31 | 51309 | 45*85*28 |
| 51134 | 170*215*34 | 51310 | 50*95*31 |
| 51136 | 180*225*34 | 51311 | 55*105*35 |
| 51138 | 190*240*37 | 51312 | 60*110*35 |
| 51140 | 200*250*37 | 51313 | 65*115*36 |
| 51144 | 220*270*37 | 51314 | 70*125*40 |
| 51148 | 240*300*45 | 51315 | 75*135*44 |
| 51152 | 260*320*45 | 51316 | 80*140*44 |
| 51156 | 280*350*53 | 51317 | 85*150*49 |
| 51160 | 300*380*62 | 51318 | 90*155*50 |
| 51164 | 320*400*63 | 51320 | 100*170*55 |
| 51168 | 340*420*64 | 51322 | 110*190*63 |
| 51172 | 360*440*65 | 51324 | 120*210*70 |
| 51176 | 380*460*65 | 51326 | 130*225*75 |
| 51180 | 400*480*65 | 51328 | 140*240*80 |
| 51184 | 420*500*65 | 51330 | 150*250*80 |
| 51188 | 440*540*80 | 51332 | 160*270*87 |
| 51192 | 460*560*80 | 51334 | 170*280*87 |
| 51196 | 480*580*80 | 51336 | 180*300*95 |
| 511/500 | 500*600*80 | 51338 | 190*320*105 |
| 511/530 | 530*640*85 | 51340 | 200*340*110 |
| 511/560 | 560*670*85 | 51344 | 220*360*112 |
| 511/600 | 600*710*85 | 51348 | 240*380*112 |
| 511/630 | 630*750*95 | 51405 | 25*60*24 |
| 511/670 | 670*800*105 | 51406 | 30*70*28 |
| 51200 | 10*26*11 | 51407 | 35*80*32 |
| 51201 | 12*28*11 | 51408 | 40*90*36 |
| 51202 | 15*32*12 | 51409 | 45*100*39 |
| 51203 | 17*35*12 | 51410 | 50*110*43 |
| 51204 | 20*40*14 | 51411 | 55*120*48 |
| 51205 | 25*47*15 | 51412 | 60*130*51 |
| 51206 | 30*52*16 | 51413 | 65*140*56 |
| 51207 | 35*62*18 | 51414 | 70*150*60 |
| 51208 | 40*68*19 | 51415 | 75*160*65 |
| 51209 | 45*73*20 | 51416 | 80*170*68 |
| 51210 | 50*78*22 | 51417 | 85*180*72 |
| 51211 | 55*90*25 | 51418 | 90*190*77 |
| 51212 | 60*95*26 | 51420 | 100*210*85 |
| 51213 | 65*100*27 | 51422 | 110*230*95 |
| 51214 | 70*105*27 | 51424 | 120*250*102 |
| 51215 | 75*110*27 | 51426 | 130*270*110 |
| 51216 | 80*115*28 | 51428 | 140*280*112 |
| 51217 | 85*125*31 | 51430 | 150*300*120 |
| 51218 | 90*135*35 | 51432 | 160*320*130 |
| 51434 | 170*340*135 | ||
| 51436 | 180*360*140 |
| Model NO. | Dimensions(mm) | ||||
| d2 | D | T1 | d | B | |
| 52202 | 10 | 32 | 22 | 15 | 5 |
| 52204 | 15 | 40 | 26 | 20 | 6 |
| 52205 | 20 | 47 | 28 | 25 | 7 |
| 52206 | 25 | 52 | 29 | 30 | 7 |
| 52207 | 30 | 62 | 34 | 35 | 8 |
| 52208 | 30 | 68 | 36 | 40 | 9 |
| 52209 | 35 | 73 | 37 | 45 | 9 |
| 52210 | 40 | 78 | 39 | 50 | 9 |
| 52211 | 45 | 90 | 45 | 55 | 10 |
| 52212 | 50 | 95 | 46 | 60 | 10 |
| 52213 | 55 | 100 | 47 | 65 | 10 |
| 52214 | 55 | 105 | 47 | 70 | 10 |
| 52215 | 60 | 110 | 47 | 75 | 10 |
| 52216 | 65 | 115 | 48 | 80 | 10 |
| 52217 | 70 | 125 | 55 | 85 | 12 |
| 52218 | 75 | 135 | 62 | 90 | 14 |
| 52220 | 85 | 150 | 67 | 100 | 15 |
| 52222 | 95 | 160 | 67 | 110 | 15 |
| 52224 | 100 | 170 | 68 | 120 | 15 |
| 52226 | 110 | 190 | 80 | 130 | 18 |
| 52228 | 120 | 200 | 81 | 140 | 18 |
| 52230 | 130 | 215 | 89 | 150 | 20 |
| 52232 | 140 | 225 | 90 | 160 | 20 |
| 52234 | 150 | 240 | 97 | 170 | 21 |
| 52236 | 150 | 250 | 98 | 180 | 21 |
| 52238 | 160 | 270 | 109 | 190 | 24 |
| 52240 | 170 | 280 | 109 | 200 | 24 |
| 52244 | 190 | 300 | 110 | 220 | 24 |
| 52305 | 20 | 52 | 34 | 25 | 8 |
| 52306 | 25 | 60 | 38 | 30 | 9 |
| 52307 | 30 | 68 | 44 | 35 | 10 |
| 52308 | 30 | 78 | 49 | 40 | 12 |
| 52309 | 35 | 85 | 52 | 45 | 12 |
| 52310 | 40 | 95 | 58 | 50 | 14 |
| 52311 | 45 | 105 | 64 | 55 | 15 |
| 52312 | 50 | 110 | 64 | 60 | 15 |
| 52313 | 55 | 115 | 65 | 65 | 15 |
| 52314 | 55 | 125 | 72 | 70 | 16 |
| 52315 | 60 | 135 | 79 | 75 | 18 |
| 52316 | 65 | 140 | 79 | 80 | 18 |
| 52317 | 70 | 150 | 87 | 85 | 19 |
| 52318 | 75 | 155 | 88 | 90 | 19 |
| 52320 | 85 | 170 | 97 | 100 | 21 |
| 52322 | 95 | 190 | 140 | 110 | 24 |
| 52324 | 100 | 210 | 140 | 120 | 27 |
| 52326 | 110 | 225 | 130 | 130 | 30 |
| 52328 | 120 | 240 | 123 | 140 | 31 |
| 52330 | 130 | 250 | 110 | 150 | 31 |
| 52332 | 140 | 270 | 153 | 160 | 33 |
| 52334 | 150 | 280 | 153 | 170 | 33 |
| 52336 | 150 | 300 | 165 | 180 | 37 |
| 52338 | 160 | 320 | 183 | 190 | 40 |
| 52340 | 170 | 340 | 192 | 200 | 42 |
| 52405 | 15 | 60 | 45 | 25 | 11 |
| 52406 | 20 | 70 | 52 | 30 | 12 |
| 52407 | 25 | 80 | 59 | 35 | 14 |
| 52408 | 30 | 90 | 65 | 40 | 15 |
| 52409 | 35 | 100 | 72 | 45 | 17 |
| 52410 | 40 | 110 | 78 | 50 | 18 |
| 52411 | 45 | 120 | 87 | 55 | 20 |
| 52412 | 50 | 130 | 93 | 60 | 21 |
| 52413 | 50 | 140 | 101 | 65 | 23 |
| 52414 | 55 | 150 | 107 | 70 | 24 |
| 52415 | 60 | 160 | 115 | 75 | 26 |
| 52416 | 65 | 170 | 120 | 80 | 27 |
| 52417 | 65 | 180 | 128 | 85 | 29 |
| 52418 | 70 | 190 | 135 | 90 | 30 |
| 52420 | 80 | 210 | 150 | 100 | 33 |
| 52422 | 90 | 230 | 166 | 110 | 37 |
| 52424 | 95 | 250 | 177 | 120 | 40 |
| 52426 | 100 | 270 | 192 | 130 | 42 |
| 52428 | 110 | 280 | 196 | 140 | 44 |
| 52430 | 120 | 300 | 209 | 150 | 46 |
| 52432 | 130 | 320 | 226 | 160 | 50 |
| 52434 | 135 | 340 | 236 | 170 | 50 |
| 52436 | 140 | 360 | 245 | 180 | 52 |
Q & A
What are thrust ball bearings used for?
Thrust ball bearings are used to support axial loads in low-speed applications such as machine tools, automotive systems, and vertical shafts.
Can thrust ball bearings support radial loads?
No. Thrust ball bearings are designed only for axial loads and cannot support radial loads.
What is the difference between 51000 and 52000 series?
51000 series supports axial load in one direction only, while 52000 series can support axial loads in both directions.
When should I use double-direction thrust ball bearings?
They are used when axial load exists in both directions or when space is limited and a compact solution is required.
What is the speed limitation of thrust ball bearings?
Thrust ball bearings are suitable for low-speed applications due to their axial-only load design.
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