The SKF 628/9-2RS1 is a miniature deep groove ball bearing measuring 9x17x5 mm. Manufactured by SKF, a leader in bearing technology, this component is designed to support radial and axial loads in both directions. Its compact size makes it ideal for applications where space is limited, and it is commonly utilized in sectors such as precision instruments and small electric motors. The sealed design of the SKF 628/9-2RS1 ensures protection against contaminants, making it suitable for demanding industrial environments.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 9 mm |
| Outer diameter (D) | 17 mm |
| Width (B) | 5 mm |
| Basic dynamic load rating (C) | 2.1 kN |
| Basic static load rating (C0) | 0.88 kN |
| Limiting speed | 45,000 rpm |
| Cage type | Pressed steel |
| Shielding / Sealing | 2RS |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Lithium grease |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The SKF 628/9-2RS1 miniature bearing offers several technical benefits that make it a preferred choice for precision applications:
- Continuous operation up to 45,000 rpm due to optimized ball geometry.
- Heat-treated 100Cr6 chrome steel rings provide a rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance ensures compatibility with systems without preload requirements.
- 2RS sealing offers IP-rated protection, guarding against dust and water ingress.
- Lithium grease lubrication facilitates low-friction performance and reduced maintenance.
Typical applications
The SKF 628/9-2RS1 bearing is widely used in various industries due to its compact size and robust performance:
- Measurement and laboratory instruments (optical encoders, electronic micrometers)
- Aeromodelling and drones (brushless motors, planetary gearboxes)
- Dental equipment (turbines, contra-angles, micromotors)
- Precision robotics (harmonic drive reducers, cardan joints)
- Medical devices (peristaltic pumps, lung ventilators, microscopes)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for SKF bearings, offering fast availability of the 62892RS1-SKF model. For bulk orders, customers can request a quotation to benefit from competitive pricing. Visit our website to add this high-performance bearing to your cart or contact us for more information on pricing and availability.

