The SKF KMT 18 Lock Nut 90X125X32 is a precision-engineered bearing accessory designed for securing bearings onto shafts, typically used in complex industrial machinery. With its standardized dimensions of 90 mm bore diameter, 125 mm outer diameter, and 32 mm thickness, this lock nut is essential in applications that require precise axial positioning and secure fastening. Its robust construction makes it suitable for heavy-duty applications, ensuring a reliable fit in various mechanical assemblies.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 90 mm |
| Outer diameter (D) | 125 mm |
| Width / Thickness (T) | 32 mm |
| Weight | 1.46 kg |
| Ring material | Chrome steel 100Cr6 |
| ISO / cross-reference equivalent code | KMT18 |
Technical advantages
The SKF KMT 18 Lock Nut offers several technical benefits that enhance its performance in industrial applications:
- Constructed from heat-treated 100Cr6 chrome steel, providing excellent wear resistance and a rolling-contact fatigue life of over 107 cycles.
- Standardized dimensions ensure compatibility with a wide range of bearing assemblies, facilitating easy integration.
- Precisely machined threads ensure consistent torque application and secure locking, minimizing the risk of loosening under vibration.
- Suitable for high-load applications, capable of maintaining axial position under significant mechanical stress.
- Reliable performance in demanding environments, supported by SKF’s stringent quality control and manufacturing standards.
Typical applications
The SKF KMT 18 Lock Nut is ideal for use in a variety of specialized industrial sectors, including:
- Textile machinery (spinning frames, weaving looms)
- Pulp and paper industry (paper machines, calenders)
- Cement and mining equipment (crushers, ball mills)
- Marine propulsion systems (propeller shafts, rudder systems)
- Wind energy (turbine generators, nacelle assemblies)
Availability and ordering
At Eurobearing.eu, we specialize in supplying high-precision mechanical components for industrial applications. The SKF KMT 18 Lock Nut 90X125X32 is available for prompt delivery. For bulk purchases, request a quote to receive competitive pricing. Add this essential component to your cart or contact us for a customized quotation today.

