The HM 3168 Lock Nut 340X440X55 by SKF is a precision component designed for securing bearings and other machine components onto a shaft. As an essential accessory in the category of bearing accessories, this lock nut features dimensions of 340 mm bore diameter, 440 mm outer diameter, and 55 mm width. SKF, a renowned brand in the industry, ensures this lock nut is suitable for various heavy-duty industrial applications, including machinery where precise axial positioning is critical.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 340 mm |
| Outer diameter (D) | 440 mm |
| Width (B) | 55 mm |
| Weight | 12.8 kg |
Technical advantages
The HM 3168 Lock Nut is engineered to provide precise and secure fastening, contributing to the reliability and efficiency of your machinery. Key technical advantages include:
- Manufactured according to ISO standards, ensuring compatibility with a wide range of machinery.
- High-tensile steel material, offering enhanced resistance to axial loads and vibrations.
- Optimized thread design for uniform load distribution and secure locking.
- Surface treated for corrosion resistance, ideal for harsh industrial environments.
- Precision-machined dimensions for consistent and repeatable installation.
Typical applications
The SKF HM 3168 Lock Nut is widely used across various industrial sectors, providing essential support and precision in multiple applications:
- Heavy machinery manufacturing (cranes, excavators, presses)
- Automotive assembly lines (engine components, transmission systems)
- Wind energy (turbine assemblies, gearbox mounting)
- Railway (axle assemblies, wheelset installations)
- Steel and metal processing (rolling mills, pressing machines)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for all SKF products, including the HM 3168 Lock Nut. We offer fast availability and the option to request a quote for bulk quantities. Visit our website to add this item to your cart or to request a quotation today.

