The MR85-2Z MICROBearing 5X8X2,5* is a precision-engineered component designed for high-performance applications. Manufactured under SKU: MR852Z-ECO, this miniature deep groove ball bearing measures 5 mm in bore diameter, 8 mm in outer diameter, and 2.5 mm in width. Its compact size and robust construction make it ideal for various industrial uses, especially where space constraints and high-speed operation are critical. This bearing is part of our extensive range of deep groove ball bearings, offering reliable solutions for miniature and high-speed applications.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 5 mm |
| Outer diameter (D) | 8 mm |
| Width (B) | 2.5 mm |
| Basic dynamic load rating (C) | 0.57 kN |
| Basic static load rating (C0) | 0.21 kN |
| Limiting speed | 90,000 rpm |
| Shielding / Sealing | 2Z |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
Designed for demanding environments, the MR85-2Z MICROBearing offers several technical benefits:
- Capable of continuous operation at speeds up to 90,000 rpm, ensuring high efficiency in dynamic systems.
- Manufactured from heat-treated 100Cr6 chrome steel, providing a rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance is suitable for installations that do not require additional preload.
- 2Z shielding provides effective protection against dust and other contaminants, enhancing operational reliability.
- Miniature ball geometry reduces friction, contributing to a smooth and efficient operation.
Typical applications
The MR85-2Z MICROBearing is utilized across various industries due to its precision and durability. Typical applications include:
- Measurement and laboratory instruments such as optical encoders and electronic micrometers.
- Aeromodelling and drones, specifically in brushless motors and planetary gearboxes.
- Dental equipment, including turbines, contra-angles, and micromotors.
- Precision robotics, featuring roles in harmonic drive reducers and cardan joints.
- Medical devices such as peristaltic pumps and lung ventilators.
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for industrial components, offering fast availability of the MR85-2Z MICROBearing under SKU: MR852Z-ECO. For bulk quantities, you can request a quotation to meet your specific requirements. Add this bearing to your cart now or contact us for more information.
