The Lock Nut HM44T – 220X280X32, manufactured by CRF, is a precision-engineered component designed for heavy-duty bearing applications. With a bore diameter of 220 mm and an outer diameter of 280 mm, it fits securely to ensure stability and efficient load distribution in industrial machinery. This lock nut is typically employed in applications requiring precise axial load management, such as in heavy machinery and equipment used in manufacturing and processing industries.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 220 mm |
| Outer diameter (D) | 280 mm |
| Width / Thickness (T) | 32 mm |
| Weight | 5.2 kg |
| Basic dynamic load rating (C) | — |
| Basic static load rating (C0) | — |
| Limiting speed | — |
| Reference speed | — |
| Operating temperature range | -20 / +100 °C |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Dry |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
| ISO / cross-reference equivalent code | — |
Technical advantages
The Lock Nut HM44T offers several technical advantages that enhance its utility in demanding industrial environments.
- Compatible with a wide range of bearing sizes due to its 220 mm bore diameter.
- Manufactured from heat-treated 100Cr6 chrome steel for enhanced durability and wear resistance.
- Standard CN internal clearance, facilitating easy integration into existing assemblies without the need for preload adjustments.
- Operating temperature range of -20 / +100 °C, suitable for diverse environmental conditions.
- Precision class P0 / ABEC-1 ensures basic accuracy suitable for general industrial applications.
Typical applications
This lock nut is widely used in various sectors where robust and precise fastening is required:
- Industrial machinery (hydraulic presses, conveyor systems)
- Mining equipment (crushers, grinding mills)
- Heavy-duty construction equipment (cranes, excavators)
- Automotive manufacturing (assembly lines, testing rigs)
- Agricultural machinery (tractors, harvesters)
Availability and ordering
Eurobearing.eu offers quick and reliable access to the Lock Nut HM44T – 220X280X32 (SKU: HM44T-ECO) for businesses in need of high-performance bearing accessories. Customers can add this item to their cart for immediate purchase or request a quotation for bulk orders to meet their specific operational needs.

