The KMTA 18 Lock Nut 90X120X32 by SKF is a precision-engineered bearing accessory designed for secure axial positioning of bearings on shafts. Manufactured by SKF, a leading name in bearing technology, this lock nut features dimensions of 90 mm bore diameter, 120 mm outer diameter, and 32 mm thickness, making it suitable for a range of industrial applications. Typically used in mechanical assemblies requiring precise locking and adjustment, the KMTA18-SKF ensures stability and reliability in demanding environments.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 90 mm |
| Outer diameter (D) | 120 mm |
| Width / Thickness (T) | 32 mm |
| Weight | 1.5 kg |
| Basic dynamic load rating (C) | Not applicable |
| Basic static load rating (C0) | Not applicable |
| Limiting speed | Not applicable |
| Reference speed | Not applicable |
| Cage type | Not applicable |
| Shielding / Sealing | Open |
| Operating temperature range | -30 / +120 °C |
| Ring material | Steel |
| Factory lubrication | Dry |
| Precision class | ISO P0 |
| Internal clearance | Not applicable |
| ISO / cross-reference equivalent code | KMTA18 |
Technical advantages
The KMTA 18 Lock Nut offers several technical benefits, enhancing its utility in various mechanical setups.
- Ensures precise axial position retention with a secure locking mechanism.
- Constructed from durable steel, offering excellent resistance to mechanical stress.
- Open design facilitates easy inspection and maintenance without disassembly.
- Suitable for use in a wide temperature range from -30 to +120 °C, accommodating diverse environmental conditions.
- Meets ISO P0 precision class standards, maintaining consistent performance in standard applications.
Typical applications
The KMTA 18 Lock Nut is employed across a variety of industries to secure bearings in mechanical assemblies. Typical sectors include:
- Industrial machinery (shaft assemblies, gearboxes)
- Automotive manufacturing (engine components, transmission systems)
- Heavy equipment (cranes, excavators, loaders)
- Textile machinery (spinning machines, looms)
- Electric motors and generators (rotor positioning, stator assemblies)
Availability and ordering
Eurobearing.eu is your go-to B2B supplier for the KMTA18-SKF lock nut, offering fast availability and efficient service. To ensure continuous operation of your machinery, add this product to your cart or request a quotation for bulk quantities today.

