The 628/9-2Z Bearing 9X17X5, identified by SKU: 62892Z-ECO, is a micro deep groove ball bearing designed for precise applications. Featuring a bore diameter of 9 mm, an outer diameter of 17 mm, and a width of 5 mm, this bearing is commonly utilized in environments requiring compact and efficient rotation systems. Its robust construction is well-suited for diverse industrial purposes, including small machinery and micro applications where space and reliability are critical.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 9 mm |
| Outer diameter (D) | 17 mm |
| Width (B) | 5 mm |
| Basic dynamic load rating (C) | 1.2 kN |
| Basic static load rating (C0) | 0.48 kN |
| Limiting speed | 45,000 rpm |
| Shielding | ZZ (metal shields on both sides) |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Lithium grease |
| Precision class | P0 / ABEC-1 |
Technical advantages
The 628/9-2Z Bearing offers several technical advantages that enhance its suitability for precision applications:
- Capable of continuous operation at speeds up to 45,000 rpm, supporting high-efficiency systems.
- Constructed from heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance, suitable for assemblies without preload requirements, ensuring ease of installation.
- ZZ shielding provides robust protection against dust ingress, extending operational reliability in challenging environments.
- Pre-lubricated with lithium grease for reduced maintenance and extended operational periods within specified limits.
Typical applications
The 628/9-2Z Bearing finds application across various specialized sectors, including:
- 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, where precision is crucial.
- Precision robotics, featuring in harmonic drive reducers and cardan joints.
- Medical devices, such as peristaltic pumps and lung ventilators, requiring reliable performance.
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, ensures the fast availability of the 62892Z-ECO bearing. Customers can easily add this product to their cart for immediate purchase or request a quotation for bulk quantities. Explore our offerings to meet your precise industrial component needs.

