The SKF 628/9-Z Bearing, measuring 9x17x5 mm, is a precision-engineered miniature deep groove ball bearing designed for reliability and efficiency in various industrial applications. Manufactured by SKF, a leader in the bearing industry, this component is suitable for environments requiring compact and lightweight solutions. With its primary dimensions of 9 mm bore, 17 mm outer diameter, and 5 mm width, it is optimally used in high-speed applications where space is at a premium.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 9 mm |
| Outer diameter (D) | 17 mm |
| Width (B) | 5 mm |
| Basic dynamic load rating (C) | 1.02 kN |
| Basic static load rating (C0) | 0.39 kN |
| Limiting speed | 45,000 rpm |
| Shielding | Z (Single Metal Shield) |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Greased for life |
| Precision class | P0 / ABEC-1 |
Technical advantages
The SKF 628/9-Z Bearing offers multiple technical benefits that ensure optimal performance in its intended applications.
- Miniature ball design allows for continuous operation at speeds up to 45,000 rpm.
- Manufactured from heat-treated 100Cr6 chrome steel, ensuring rolling-contact fatigue life exceeding 107 cycles.
- Standard CN internal clearance minimizes friction and heat generation in high-speed operations.
- Single metal shield (Z) provides effective protection against contamination, enhancing bearing longevity.
- Pre-lubricated with premium grease, eliminating the need for initial lubrication and reducing maintenance requirements.
Typical applications
The SKF 628/9-Z Bearing is widely deployed in various industrial sectors, where its compact size and high-speed capabilities are critical.
- Measurement and laboratory instruments, such as optical encoders and electronic micrometers.
- Aeromodelling and drones, particularly in brushless motors and planetary gearboxes.
- Dental equipment, including turbines and contra-angles that require precise motion control.
- Precision robotics, serving in harmonic drive reducers and cardan joints.
- Medical devices, such as peristaltic pumps and lung ventilators.
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers the SKF 628/9-Z Bearing with fast availability for immediate shipping. Businesses can easily add this product to their cart or request a quotation for bulk quantities to meet specific operational needs.
