The 628/9-2RS1 Bearing, also known by its SKU 62892RS1-ECO, is a miniature deep groove ball bearing designed for precision applications. With dimensions of 9mm bore diameter, 17mm outer diameter, and 5mm width, this component is ideal for industries requiring compact and efficient rotational movement solutions. Typical applications include use in small motors, precision instruments, and compact mechanical assemblies where space is a premium.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 9 mm |
| Outer diameter (D) | 17 mm |
| Width (B) | 5 mm |
| Weight | 2.4 g |
| Basic dynamic load rating (C) | 1.28 kN |
| Basic static load rating (C0) | 0.5 kN |
| Limiting speed | 40,000 rpm |
| Reference speed | 38,000 rpm |
| Cage type | Pressed steel |
| Shielding / Sealing | 2RS |
| Operating temperature range | -30 / +100 °C |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Lithium grease |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The 628/9-2RS1 bearing offers several technical advantages that make it suitable for demanding applications:
- Operates efficiently at speeds up to 40,000 rpm, suitable for high-speed applications.
- Manufactured from heat-treated 100Cr6 chrome steel, ensuring rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance, providing optimal performance without the need for preload in assemblies.
- 2RS sealing offers IP-rated protection against dust and water splashes, enhancing reliability in harsh environments.
- Lightweight at only 2.4 g, ideal for applications where weight reduction is crucial.
Typical applications
The 628/9-2RS1 bearing is suited to a wide range of precise and high-performance applications across various 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 and contra-angles.
- Precision robotics, such as harmonic drive reducers and cardan joints.
- Medical devices, including peristaltic pumps and lung ventilators.
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers fast availability of the 62892RS1-ECO bearing. Customers can easily add this product to their cart for immediate purchase or request a quotation for bulk quantities, ensuring timely fulfillment of industrial needs.

