The SKF R 8-2Z Bearing is a miniature deep groove ball bearing specifically designed to facilitate smooth rotational motion in various industrial applications. Manufactured by SKF, this bearing has dimensions of 12.7 mm bore diameter, 28.575 mm outer diameter, and 7.93 mm width. It is ideal for environments where compact, efficient, and precise component performance is crucial. The R 8-2Z bearing is commonly utilized in sectors requiring high-speed operation and minimal maintenance.
Technical Specifications
| Specification | Value |
| Bore Diameter (d) | 12.7 mm |
| Outer Diameter (D) | 28.575 mm |
| Width (B) | 7.93 mm |
| Shielding | ZZ |
| Basic Dynamic Load Rating (C) | 6.65 kN |
| Basic Static Load Rating (C0) | 2.75 kN |
| Limiting Speed | 32,000 rpm |
| Ring Material | Chrome Steel 100Cr6 |
| Factory Lubrication | Lithium grease |
| Precision Class | P0 / ABEC-1 |
Technical Advantages
This SKF R 8-2Z bearing offers several technical benefits that enhance its functionality in industrial settings:
- Efficient operation at speeds up to 32,000 rpm, suitable for high-speed machinery.
- Constructed from heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life greater than 107 cycles.
- Standard CN radial clearance allows for easy integration into assemblies without the need for preload adjustments.
- Double metal shields (ZZ) provide effective protection against contaminants, including dust and minor water splashes.
- Lubricated with lithium grease to minimize friction and wear, reducing maintenance needs over time.
Typical Applications
The SKF R 8-2Z bearing is versatile and can be employed in various specialized industries and machinery:
- Measurement and laboratory instruments, such as optical encoders and electronic micrometers.
- Aeromodelling and drone components, including brushless motors and planetary gearboxes.
- Dental equipment like turbines and micromotors, requiring precision and reliability.
- Precision robotics involving harmonic drive reducers and cardan joints.
- Medical devices such as peristaltic pumps and lung ventilators, where smooth operation is essential.
Availability and Ordering
As a specialized B2B supplier, Eurobearing.eu ensures fast availability of the R82Z-SKF bearing. Businesses can easily request a quotation for bulk quantities or add this product directly to their cart for immediate purchase. Visit Eurobearing.eu for all your mechanical component needs.

