The MR84 2Z Bearing 4X8X3*, SKU: MR842Z-ECO, is a precision-engineered component ideal for high-performance applications. As a deep groove ball bearing in the micro category, it features a bore diameter of 4 mm, an outer diameter of 8 mm, and a width of 3 mm. This bearing is typically utilized in industries requiring compact and efficient mechanisms, such as precision instruments and small electric motors.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 4 mm |
| Outer diameter (D) | 8 mm |
| Width (B) | 3 mm |
| Basic dynamic load rating (C) | 0.58 kN |
| Basic static load rating (C0) | 0.21 kN |
| Limiting speed | 100,000 rpm |
| Shielding / Sealing | ZZ |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The MR84 2Z Bearing offers several technical advantages that make it suitable for demanding applications:
- Capable of operating at speeds up to 100,000 rpm, optimizing performance in high-speed environments.
- Manufactured from heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance allows for easy integration into assemblies without preload requirements.
- ZZ shielding provides reliable protection against dust and particulate ingress.
- Designed and certified in accordance with ISO standards for consistent performance.
Typical applications
The MR84 2Z Bearing is suited for a variety of specialized applications, including:
- Measurement and laboratory instruments, such as optical encoders and electronic micrometers.
- Aeromodelling and drones, including brushless motors and planetary gearboxes.
- Dental equipment, like turbines and contra-angles.
- Precision robotics, including harmonic drive reducers and cardan joints.
- Medical devices, such as peristaltic pumps and lung ventilators.
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers fast availability for the MR84 2Z Bearing, SKU: MR842Z-ECO. Customers can easily add this item to their cart or request a quotation for bulk quantities to meet their specific needs.
