The Lock Nut HM56T – 280X350X36 by CRF is a precision-engineered bearing accessory designed to secure bearings onto shafts. Featuring a bore diameter of 280 mm, an outer diameter of 350 mm, and a thickness of 36 mm, this lock nut ensures stability in high-stress industrial environments. It is an essential component in the assembly of various mechanical systems, where precise alignment and secure fastening are critical. Manufactured under strict quality standards, the HM56T-ECO lock nut is ideally suited for heavy-duty applications.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 280 mm |
| Outer diameter (D) | 350 mm |
| Width / Thickness (T) | 36 mm |
| Weight | 5.2 kg |
| Ring material | Chrome steel 100Cr6 |
| ISO / cross-reference equivalent code | ISO 2982-2 |
| Factory lubrication | Dry |
| Precision class | P0 / ABEC-1 |
Technical advantages
The Lock Nut HM56T offers several technical advantages that make it suitable for demanding applications:
- Designed for seamless integration with bearings, ensuring precision fitting and reduced vibration.
- Manufactured from high-strength chrome steel 100Cr6, providing excellent resistance to wear and fatigue.
- Compatible with ISO 2982-2 standards, allowing for easy replacement and interchangeability.
- Precision class P0 / ABEC-1 ensures optimal performance in standard industrial applications.
- Weighing only 5.2 kg, it balances material strength with manageable component weight for easier handling.
Typical applications
The HM56T lock nut is versatile and can be used across various sectors, including:
- Industrial manufacturing (conveyor systems, industrial fans)
- Automotive (drive shafts, transmission systems)
- Construction equipment (cranes, excavators)
- Power generation (turbines, generators)
- Agricultural machinery (tractors, combine harvesters)
Availability and ordering
Eurobearing.eu is your trusted B2B supplier for the HM56T-ECO lock nut, offering fast availability for immediate needs. You can easily add this component to your cart or request a quotation for bulk quantities through our platform.

