
51103 Chrome Steel Thrust Ball Bearing 17x30x9mm Supplier
| Item No : | 51103 |
| Size (d*D*B) : | 17x30x9mm |
| Material : | Chrome Steel GCr15 |
| Lead Time : | 3-5 days |
| Weight : | 0.025KG |
| MOQ : | 100 pcs |
⚙️Product Description:
Sourcing reliable components to manage heavy axial loads? Our RMO Brand 51103 Thrust Ball Bearing (17x30x9mm) is specifically designed to accommodate high single-direction axial forces while ensuring smooth, low-friction rotation. Ideal for low-to-medium speed applications. As an expert B2B trader, we supply highly cost-effective RMO factory-direct bearings or seamlessly source top-tier global legacy brands to support your wholesale and OEM needs.

⚙️Product Features:
- Optimized Axial Load Capacity: Engineered specifically to handle single-direction axial loads and locate a shaft axially, preventing mechanical drift under heavy weight.
- Separable 3-Part Design: Consists of a shaft washer, a housing washer, and a ball/cage assembly, allowing for independent mounting, easy inspection, and rapid maintenance.
- Premium Chrome Steel: Manufactured from high-purity GCr15 chrome steel, deep-hardened to deliver exceptional wear resistance and a prolonged service life.
- Precision Stamped Cage: Equipped with a uniformly stamped steel cage that spaces the rolling elements evenly, reducing internal friction and heat generation.
- Dual-Brand Supply Chain: Maximize your trade margins with direct bulk orders of our trusted RMO brand, or request authentic international premium brands via our sourcing network.
⚙️Product Application:
Built for stability and vertical load-bearing, the 51103 thrust ball bearing is widely utilized in:
- Industrial rotary tables, indexing heads, and vertical mechanical shafts.
- Automotive steering mechanisms, gearboxes, and heavy-duty clutch assemblies.
- Fluid pumps, industrial jacks, crane hooks, and heavy-duty lifting equipment.
- Medical centrifuge bases and automated rotating display stands.
- Global B2B bearing distributors, industrial maintenance providers, and automotive aftermarket wholesalers.
⚙️Precautions:
| 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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⚙️Technical Parameters:
| Model No. | 51103 |
| Bearing Type | Single Direction Thrust Ball Bearing |
| Size | 17x30x9mm |
| Shaft & Housing Washers Material | Chrome steel GCr15 |
| Steel Balls Material | Premium GCr15 Chrome Steel Balls |
| Cage Material | Pressed Steel |
| Working Temperature Range | -30°C to +120° |
| Key Advantage | High Axial Load, Separable, Easy Mounting |
| Lead Time | 3-5 days for stock; 7-15 days for bulk orders |
| Brand | RMO/Neutral/OEM/Other Brands |
| Service | Support Sample Testing |
| Shipping | |
| Payment | 100% T/T, or 30% T/T In Advance, 70% T/T After Finished Production |

| Bearing No. | d*D*H(mm) | Weight (KG) |
| 51100 | 10*24*9 | 0.019 |
| 51101 | 12*26*9 | 0.021 |
| 51102 | 15*28*9 | 0.023 |
| 51103 | 17*30*9 | 0.025 |
| 51104 | 20*35*10 | 0.037 |
| 51105 | 25*42*11 | 0.056 |
| 51106 | 30*47*11 | 0.064 |
| 51107 | 35*52*12 | 0.081 |
| 51108 | 40*60*13 | 0.12 |
| 51109 | 45*65*14 | 0.143 |
| 51110 | 50*70*14 | 0.513 |
| 51111 | 55*78*16 | 0.227 |
| 51112 | 60*85*17 | 0.281 |
| 51113 | 65*90*17 | 0.324 |
| 51114 | 70*95*18 | 0.346 |
| 51115 | 75*100*19 | 0.389 |
| 51116 | 80*105*19 | 0.417 |
| 51117 | 85*110*19 | 0.44 |
| 51118 | 90*120*22 | 0.646 |
| 51119 | 95*145*60 | 0.83 |
| 51120 | 100*135*25 | 0.96 |
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