Item No :
51103Size (d*D*B) :
17x30x9mmLead Time :
3-5 daysWeight :
0.025KGShipping Port :
GuangZhou, NingBo, ShangHaiMOQ :
100 pcs511 Series 17x30x9mm 51103 Thrust Ball Bearing
⚙️Product description:
Structural features: 51103 is composed of an axle ring, a bearing seat ring, and balls and a cage assembly. The components are detachable, facilitating installation, disassembly, and maintenance inspection. Most of the components are interchangeable. The inner hole of the axle ring has undergone grinding processing and can achieve a tight fit with the shaft. It can withstand axial loads but cannot withstand radial loads.
| Cage material | Steel, Nylon, Copper |
| Branding | famous brand/RMO/Neutral/OEM |
| Material | Chrome steel(Gcr15) or stainless steel |
| Precision | ABEC-1 ABEC-3 ABEC-5 ABEC-7 |
| Shipping Port | GUANGZHOU,NINGBO,SHANGHAI |
| Payment | 100% T/T or 30% T/T in advance ,70% T/T after finished production |
| Service | Free sample can be provided |
Load-bearing Capacity: Can only withstand axial loads, cannot withstand radial loads; single-direction bearings can only be subjected to force in one direction, while double-direction bearings can be subjected to force in both directions.
Speed Limit: Due to structural limitations (the centrifugal force of the rolling elements is relatively large), the maximum speed is relatively low, and it is usually suitable for medium and low-speed applications (the speed is generally in the range of several thousand revolutions per minute).
Installation Convenience: The shaft ring and the seat ring can be separated, making installation and disassembly easy, especially suitable for scenarios where the misalignment between the shaft and the bearing seat is relatively small.
Friction Coefficient: The rolling friction coefficient is small, resulting in higher operating efficiency, but it requires higher installation accuracy. If the installation deviation is too large, it will accelerate wear.
| Bearing No. | d*D*H(mm) | Weight (KG) | Bearing No. | d*D*H(mm) | Weight (KG) |
| 51100 | 10*24*9 | 0.019 | 51122 | 110*145*25 | 1.04 |
| 51101 | 12*26*9 | 0.021 | 51124 | 120*155*25 | 1.12 |
| 51102 | 15*28*9 | 0.023 | 51126 | 130*170*30 | 1.68 |
| 51103 | 17*30*9 | 0.025 | 51128 | 140*180*31 | 2.03 |
| 51104 | 20*35*10 | 0.037 | 51130 | 150*190*31 | 2.16 |
| 51105 | 25*42*11 | 0.056 | 51132 | 160*200*31 | 2.27 |
| 51106 | 30*47*11 | 0.064 | 51134 | 170*215*34 | 3.27 |
| 51107 | 35*52*12 | 0.081 | 51136 | 180*225*34 | 3.37 |
| 51108 | 40*60*13 | 0.12 | 51138 | 190*240*37 | 3.95 |
| 51109 | 45*65*14 | 0.143 | 51140 | 200*250*37 | 4.14 |
| 51110 | 50*70*14 | 0.513 | 51144 | 220*270*37 | 4.51 |
| 51111 | 55*78*16 | 0.227 | 51148 | 240*300*45 | 7.35 |
| 51112 | 60*85*17 | 0.281 | 51152 | 260*320*45 | 7.94 |
| 51113 | 65*90*17 | 0.324 | 51156 | 280*350*53 | 12 |
| 51114 | 70*95*18 | 0.346 | 51160 | 300*380*62 | 17.1 |
| 51115 | 75*100*19 | 0.389 | 51164 | 320*400*63 | 18.5 |
| 51116 | 80*105*19 | 0.417 | 51168 | 340*420*64 | 19.9 |
| 51117 | 85*110*19 | 0.44 | 51172 | 360*440*65 | 20.4 |
| 51118 | 90*120*22 | 0.646 | 51180 | 400*480*65 | 23.8 |
| 51119 | 95*145*60 | 0.83 | 51184 | 420*500*65 | 24.21 |
| 51120 | 100*135*25 | 0.96 | 51192 | 460*560*80 | 41.7 |
Thrust ball bearings are widely used in mechanical equipment that requires axial positioning or can withstand axial forces.
Typical applications include:
Machining tools, reducers, gearboxes, cranes, elevators, automotive steering systems, hydraulic pumps, etc.
| 1. Keep clean | 2. Use with caution | 3. appropriate tool | 4. Hot-loading | 5. Be careful of rust |
| Dust will have a bad effect on the bearing, so keep the surrounding clean. | Strong impact during use can easily cause scratches and indentations. | Avoid replacing existing tools, and use appropriate tools. | Bearings are precision parts, so hot installation is recommended. | Sweat on your hands during operation will cause rust, so it is best to wear gloves. |
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