The KM 31 Lock Nut 155X200X25 – SKF is a precision-engineered component designed for securing bearing assemblies in industrial applications. Manufactured by SKF, a leader in bearing technology, this lock nut is specifically crafted for use with bearings and other rotating components where precise axial positioning is crucial. With a bore diameter of 155 mm, an outer diameter of 200 mm, and a thickness of 25 mm, it is suitable for a range of mechanical systems requiring secure and accurate locking solutions.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 155 mm |
| Outer diameter (D) | 200 mm |
| Width / Thickness (T) | 25 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
Technical advantages
The KM 31 Lock Nut offers several technical benefits that enhance its performance in demanding industrial environments:
- Manufactured from chrome steel 100Cr6, ensuring high durability and resistance to wear.
- Precision class P0 / ABEC-1 suitable for general-purpose applications with standard tolerance requirements.
- Designed for easy installation and removal, reducing maintenance time and costs.
- Compatible with a wide range of bearing sizes, offering versatile application possibilities.
- Provides secure axial positioning to prevent unwanted movement during operation.
Typical applications
The KM 31 Lock Nut is used across various industries and applications, including:
- Automotive manufacturing (engine assemblies, transmission systems)
- Heavy machinery (excavators, cranes, industrial pumps)
- Textile industry (spinning machines, weaving looms)
- Agricultural equipment (tractors, combine harvesters)
- Pulp and paper processing (rollers, printing presses)
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers the KM 31 Lock Nut 155X200X25 – SKF with fast availability. Customers can easily add this item to their cart or request a quotation for bulk quantities to meet their specific industrial needs.

