The 628/5-2Z Bearing 5X11X4 – SKF is a miniature deep groove ball bearing designed for high precision and compact applications. Manufactured by SKF, a leader in bearing technology, this bearing features specific dimensions with a bore diameter of 5 mm, an outer diameter of 11 mm, and a width of 4 mm. It is commonly employed in industries requiring small-scale yet robust components, including precision instruments and micro-mechanical systems.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 5 mm |
| Outer diameter (D) | 11 mm |
| Width (B) | 4 mm |
| Weight | 3.3 g |
| Basic dynamic load rating (C) | 0.735 kN |
| Basic static load rating (C0) | 0.285 kN |
| Limiting speed | 45,000 rpm |
| Cage type | Pressed steel |
| Shielding | ZZ |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Grease |
| Precision class | P0 / ABEC-1 |
Technical advantages
The SKF 628/5-2Z Bearing offers several technical benefits that make it suitable for high-precision applications:
- Capable of continuous operation up to 45,000 rpm with minimal noise and vibration due to its precise ball geometry.
- Constructed from heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life exceeding 107 cycles.
- Standard P0 precision class providing adequate tolerance for most general-purpose applications.
- ZZ shielding offers effective protection against particle contamination, enhancing operational reliability.
- Lightweight design at only 3.3 g, suitable for applications where weight constraints are critical.
Typical applications
This bearing is suitable for a variety of specialized industries and machinery, including:
- Measurement and laboratory instruments such as optical encoders and electronic micrometers.
- Aeromodelling and drones, used 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 like peristaltic pumps and lung ventilators.
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the 62852Z-SKF bearing, offering fast availability for immediate needs. For bulk quantities, you can request a personalized quotation. Add to cart or request a quotation to meet your precise requirements today.
