Description
Overview:
The Wave Washer - Robin Part - RB542 50040 20 is a spring-type washer used to apply consistent axial preload in mechanical assemblies. Made from tough, spring-grade metal, it flexes under load to maintain tension as parts expand, contract, or vibrate in use. This helps prevent looseness, rattle, and uneven wear. It is commonly specified in construction and garden machinery where compact, reliable load control is required, such as engine ancillaries, drive systems, and rotating assemblies. If your equipment calls for the RB542 50040 20 reference, this washer is intended to restore correct preload and smooth operation during servicing, helping tools and machines run reliably under everyday site and garden conditions.
Key Features:
- Spring-grade metal construction for dependable elastic preload
- Maintains axial load and helps control end float in assemblies
- Reduces vibration, rattle, and noise in high-vibration machinery
- Compatible where RB542 50040 20 is specified for service replacement
- Simple to fit with standard hand tools; no special equipment needed
- Suitable for routine maintenance and preventative servicing cycles
- Supports smoother running and longer component life of adjacent parts
- Fatigue-resistant design for repeated compression and recovery
Typical Applications:
Used in small engine and machinery assemblies to keep components under steady tension, including pulleys, clutches, starter drives, bearing seats, and shaft collars. Common on generators, plate compactors, water pumps, lawn mowers, brush cutters, and similar equipment. Ideal where limited space demands a compact washer that controls movement and absorbs vibration in everyday site and garden use.
Also known as:
Wave spring washer, wavy washer, corrugated washer, preload washer, elastic washer, compression washer, tensioning washer. These terms describe thin spring washers with a waved profile that provide axial preload without the height of a coil spring, helping retain consistent pressure in compact assemblies.
Product Specifications
| L&S Part No. | RB542 50040 20 |
|---|---|
| Unit of Sale | 1 |
| Fits Brands | Robin |
| Key Features | - Spring-grade metal for dependable elastic preload - Maintains axial load, controls end float in assemblies - Reduces vibration, rattle, and noise in machinery - Compatible with RB542 50040 20 specifications - Fits with standard hand tools, no special equipment needed |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£83.17 £69.31 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£83.68 £69.73
Related Products
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£83.17 £69.31 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£83.68 £69.73
