The SKF 628/6-2RS1 6x13x5 mm bearing is a miniature deep groove ball bearing designed for precision applications. Manufactured by SKF, a leader in bearing technology, this bearing offers compact dimensions with a bore diameter of 6 mm, an outer diameter of 13 mm, and a width of 5 mm. It is commonly used in applications requiring compact size and smooth operation, such as small electric motors, gearboxes, and various precision instruments.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 6 mm |
| Outer diameter (D) | 13 mm |
| Width (B) | 5 mm |
| Basic dynamic load rating (C) | 1.28 kN |
| Basic static load rating (C0) | 0.52 kN |
| Limiting speed | 65,000 rpm |
| Sealing | 2RS |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Lithium grease |
| Precision class | P0 / ABEC-1 |
Technical advantages
The SKF 628/6-2RS1 bearing provides several technical advantages essential for demanding applications:
- Continuous operation up to 65,000 rpm enabled by the optimized ball and raceway geometry.
- Manufactured with heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance offers optimal performance in assemblies without preloading requirements.
- The 2RS sealing provides IP-rated protection against dust and water splashes, enhancing durability in challenging environments.
- Lithium grease lubrication minimizes friction and wear, ensuring smooth operation over extended periods.
Typical applications
This bearing is suitable for a variety of specific applications across industries, including:
- Measurement and laboratory instruments such as optical encoders and electronic micrometers.
- Aeromodelling and drones, specifically in brushless motors and planetary gearboxes.
- Dental equipment including turbines, contra-angles, and micromotors.
- Precision robotics applications like harmonic drive reducers and cardan joints.
- Medical devices such as peristaltic pumps and lung ventilators.
Availability and ordering
Eurobearing.eu, your specialized B2B supplier, offers fast availability of the SKF 628/6-2RS1 bearing. You can easily add this item to your cart or request a quotation for bulk quantities to meet your specific needs.

