The Lock Nut KM5 – 25X38X7 by CRF is a precision-engineered component designed to secure bearings onto shafts, ensuring stability and alignment in various mechanical assemblies. With dimensions of 25 mm bore diameter, 38 mm outer diameter, and 7 mm width, this lock nut is typically used in heavy-duty applications where axial loads are prevalent. Known for its compatibility with a range of bearing accessories, the KM5-ECO is essential in industries requiring precise bearing positioning.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 25 mm |
| Outer diameter (D) | 38 mm |
| Width (B) | 7 mm |
| Weight | Not specified |
| Basic dynamic load rating (C) | Not specified |
| Basic static load rating (C0) | Not specified |
| Limiting speed | Not specified |
| Reference speed | Not specified |
| Cage type | Not specified |
| Shielding / Sealing | Open |
| Operating temperature range | Not specified |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Not specified |
| Precision class | P0 / ABEC-1 |
| Internal clearance | Not specified |
| ISO / cross-reference equivalent code | Not specified |
Technical advantages
The Lock Nut KM5 – 25X38X7 offers several key advantages for industrial applications:
- Secure axial positioning of bearings, enhancing mechanical stability.
- Designed for use with standard bearing accessories, broadening compatibility.
- Open design facilitates easy inspection and maintenance.
- Manufactured from chrome steel 100Cr6 for high resistance to wear.
- Precision class P0, suitable for general-purpose applications requiring basic alignment.
Typical applications
This lock nut is utilized in a variety of sectors, ensuring optimal performance in different settings:
- Heavy machinery (industrial presses, milling machines)
- Automotive industry (gearboxes, axles)
- Construction equipment (cranes, excavators)
- Marine applications (propulsion systems, steering mechanisms)
- Railway systems (locomotive engines, track maintenance vehicles)
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers the Lock Nut KM5 – 25X38X7 with SKU KM5-ECO readily available for fast delivery. Businesses can request a quote for bulk quantities to meet their operational needs. Add to cart or request a quotation today to secure your supply of this essential mechanical component.

