The MR117 Bearing 7x11x2.5 mm is a precision-engineered miniature deep groove ball bearing, designed for high-efficiency applications within various industrial sectors. This specific model, identified by the SKU MR117-ECO, is tailored for environments requiring compact dimensions and reliable rotational accuracy. With a bore diameter of 7 mm, an outer diameter of 11 mm, and a width of 2.5 mm, the MR117 bearing is an essential component in systems where space and precision are critical.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 7 mm |
| Outer diameter (D) | 11 mm |
| Width (B) | 2.5 mm |
| Basic dynamic load rating (C) | 0.92 kN |
| Basic static load rating (C0) | 0.35 kN |
| Limiting speed | 60,000 rpm |
| Shielding / Sealing | Open |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The MR117 Bearing 7x11x2.5 mm offers several technical advantages that make it a suitable choice for various demanding applications:
- High-speed capability with a limiting speed of 60,000 rpm due to its miniature ball design.
- Constructed from heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance, ideal for assemblies where preload is not required.
- Open design facilitates excellent lubrication and low friction operation.
- Precision class P0 / ABEC-1 ensures moderate precision for general-purpose applications.
Typical applications
The MR117 Bearing is extensively used in a range of industries due to its compact size and precision:
- Measurement and laboratory instruments (e.g., electronic micrometers, optical encoders)
- Aeromodelling and drones (e.g., brushless motors, planetary gearboxes)
- Dental equipment (e.g., turbines, contra-angles, micromotors)
- Precision robotics (e.g., harmonic drive reducers, cardan joints)
- Medical devices (e.g., peristaltic pumps, lung ventilators, microscopes)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the MR117 Bearing 7x11x2.5 mm, SKU MR117-ECO. Benefit from fast availability and the option to request a quote for bulk quantities. Add this critical component to your cart or request a quotation to meet your specific industrial needs today.

