The HM 3068 Lock Nut 340X400X45 from SKF is a precision-engineered component designed specifically for securing bearings and other machine parts onto a shaft. With dimensions of 340 mm bore diameter, 400 mm outer diameter, and 45 mm width, this lock nut is typically used in heavy-duty industrial applications requiring secure fastening and precise alignment. The SKF HM 3068 is renowned for its robust construction and reliability in demanding settings.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 340 mm |
| Outer diameter (D) | 400 mm |
| Width (W) | 45 mm |
| Weight | Approx. 9.65 kg |
| ISO / cross-reference equivalent code | HM3068 |
Technical advantages
The SKF HM 3068 Lock Nut offers several technical benefits that enhance operational efficiency and reliability in industrial applications:
- Designed for secure and precise bearing positioning, minimizing axial movement during operation.
- Manufactured using high-strength materials to withstand heavy loads and vibrations common in industrial environments.
- Compatible with a wide range of SKF bearings, ensuring versatile application across various equipment.
- Simple installation process with standardized dimensions for ease of assembly and maintenance.
- Conforms to ISO standards for lock nuts, ensuring global compatibility and interchangeability.
Typical applications
The HM 3068 Lock Nut is ideal for use in various sectors due to its robust design and precise engineering:
- Mining and construction equipment (crushers, conveyors, drilling machines)
- Heavy machinery (presses, mills, lathes)
- Maritime industry (ship engines, propulsion systems)
- Wind energy (turbine gearboxes, rotor assemblies)
- Steel and paper mills (rollers, turbines)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the SKF HM 3068 Lock Nut, with fast availability and the option to request a quote for bulk quantities. Visit our website to add this essential component to your cart or request a quotation for your industrial needs today.

