The Lock Nut KML26 – 130X155X21, manufactured by CRF, is a precision-engineered component designed to secure bearings onto shafts, ensuring stable and secure operation in various mechanical systems. With an outer diameter of 155 mm, a bore diameter of 130 mm, and a width of 21 mm, this lock nut is ideal for applications requiring precise alignment and tight fastening in industrial machinery. It is commonly utilized in heavy-duty sectors such as automotive manufacturing, conveyor systems, and heavy machinery.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 130 mm |
| Outer diameter (D) | 155 mm |
| Width / Thickness (B) | 21 mm |
| Weight | 1.5 kg |
| Ring material | Chrome steel 100Cr6 |
| ISO / cross-reference equivalent code | KML26 |
Technical advantages
The CRF Lock Nut KML26 offers several technical benefits that enhance its application in industrial settings:
- Heat-treated chrome steel construction provides a rolling-contact fatigue life exceeding 107 cycles.
- Standard ISO-compliant design facilitates easy integration into existing systems.
- Precision threading ensures a secure fit, minimizing the risk of loosening under high loads.
- Optimally designed for shaft diameters of 130 mm, allowing for seamless compatibility.
- High load-bearing capacity suitable for dynamic applications with significant axial forces.
Typical applications
The Lock Nut KML26 is commonly used in a variety of industrial applications, including:
- Automotive manufacturing (engine assembly lines, transmission systems)
- Conveyor systems (roller conveyors, belt conveyors)
- Heavy machinery (excavators, bulldozers, cranes)
- Textile machinery (spinning frames, weaving looms)
- Mining equipment (crushers, pulverizers, drilling rigs)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for mechanical components, offering fast availability of the Lock Nut KML26 – 130X155X21. You can add this item to your cart for immediate purchase or request a quotation for bulk quantities to suit your business needs.

