The D/W R4 R-2Z Bearing 6,35X17,526 from SKF is a miniature deep groove ball bearing designed for applications requiring compact and efficient motion handling. With a bore diameter of 6.35 mm and an outer diameter of 17.526 mm, this bearing is engineered for precision and versatility in various industrial settings. Its construction allows for smooth operation in mechanical systems where space is at a premium, such as in aerospace and robotics. The SKF D/W R4 R-2Z bearing is a trusted component for ensuring reliable rotational performance in demanding environments.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 6.35 mm |
| Outer diameter (D) | 17.526 mm |
| Width (B) | 5.56 mm |
| Weight | 0.016 kg |
| Basic dynamic load rating (C) | 1.28 kN |
| Basic static load rating (C0) | 0.49 kN |
| Limiting speed | 38,000 rpm |
| Shielding | ZZ (metal shields on both sides) |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Oil |
| Precision class | P0 / ABEC-1 |
Technical advantages
Designed for high precision and durability, the SKF D/W R4 R-2Z bearing offers several technical benefits that enhance its operational capabilities:
- Capable of supporting speeds up to 38,000 rpm, suited for high-speed applications.
- Constructed from heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life exceeding 107 cycles.
- Metal shielding (ZZ) provides effective protection against contaminants, extending service intervals.
- Standard P0 precision class suitable for general-purpose use where tight tolerances are not critical.
- Oil lubrication facilitates smooth operation and reduces maintenance requirements.
Typical applications
The SKF D/W R4 R-2Z bearing is ideal for use in a range of specialized industries and equipment types, including:
- Measurement and laboratory instruments (optical encoders, electronic micrometers)
- Aeromodelling and drones (brushless motors, planetary gearboxes)
- Dental equipment (turbines, contra-angles, micromotors)
- Precision robotics (harmonic drive reducers, cardan joints)
- Medical devices (peristaltic pumps, lung ventilators, microscopes)
Availability and ordering
As a specialized B2B supplier, Eurobearing.eu ensures fast availability of the SKF D/W R4 R-2Z bearing. This product can be quickly added to your cart for immediate purchase, or you can request a quotation for bulk quantities to meet your specific needs.

