The Locking Tab Washer MB8 – 40 from CRF is a critical component in bearing assemblies, designed to secure nuts and prevent rotation. This specific model, with the SKU MB8-ECO, is crafted to fit bearings with a 40 mm diameter. Locking tab washers are typically used in mechanical systems where vibration and movement can cause loosening, ensuring stable and reliable operation. Ideal for use in heavy machinery and industrial applications, the MB8 – 40 effectively maintains tension and alignment in your assemblies.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 40 mm |
| Outer diameter (D) | Not applicable |
| Width / Thickness (T) | Not applicable |
| Weight | Not applicable |
| Basic dynamic load rating (C) | Not applicable |
| Basic static load rating (C0) | Not applicable |
| Operating temperature range | -20 / +120 °C |
| Ring material | Not applicable |
| Factory lubrication | Not applicable |
| ISO / cross-reference equivalent code | MB8 |
Technical advantages
The Locking Tab Washer MB8 – 40 offers several distinct technical advantages for industrial applications:
- Designed to secure bearing nuts, preventing unwanted rotation under load.
- Sustainable operation within a temperature range of -20 to +120 °C.
- Manufactured to fit precisely with 40 mm diameter bearings, ensuring stability.
- ISO standardized, providing compatibility with various international systems.
- Easy to install and replace, reducing downtime in maintenance operations.
Typical applications
This locking tab washer is suitable for a variety of specific applications across different industrial sectors:
- Automotive manufacturing (transmissions, axle assemblies)
- Heavy machinery (excavators, bulldozers)
- Textile machinery (spinning frames, looms)
- Wind turbines (rotor blade connections, gearbox assemblies)
- Marine equipment (propulsion systems, anchor winches)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the Locking Tab Washer MB8 – 40, SKU MB8-ECO. We offer fast availability and the option to request a quote for bulk quantities. Add this essential component to your cart or request a quotation today to ensure seamless operation in your mechanical assemblies.

