The HM 3088 Lock Nut 440X520X60 – SKF is a precision-engineered bearing accessory designed for secure and reliable locking of bearings onto shafts. Manufactured by SKF, a leader in bearing technology, this lock nut has a bore diameter of 440 mm, an outer diameter of 520 mm, and a thickness of 60 mm. Typically used in heavy-duty industrial applications, such as mining and construction machinery, this component is integral for maintaining the axial positioning of bearings in various mechanical systems.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 440 mm |
| Outer diameter (D) | 520 mm |
| Width/Thickness (B) | 60 mm |
| Weight | Not specified |
| Basic dynamic load rating (C) | Not specified |
| Basic static load rating (C0) | Not specified |
| Limiting speed (rpm) | Not specified |
| Reference speed (rpm) | Not specified |
| Cage type | Not applicable |
| Shielding/Sealing | Open |
| Operating temperature range | Not specified |
| Ring material | Not applicable |
| Factory lubrication | Not applicable |
| Precision class | Not applicable |
| Internal clearance | Not applicable |
| ISO / cross-reference equivalent code | Not specified |
Technical advantages
The HM 3088 Lock Nut offers several technical advantages that make it a preferred choice in industrial applications:
- Designed for large shaft diameters, making it suitable for heavy machinery.
- Standard open design for ease of maintenance and inspection.
- Manufactured by SKF, ensuring compatibility with a wide range of bearings.
- Efficient axial clamping force for secure bearing retention.
- Compatible with hydraulic tools for easy installation and removal.
Typical applications
The HM 3088 Lock Nut is commonly utilized in various sectors and machinery types, including:
- Heavy-duty mining equipment (crushers, conveyors)
- Construction machinery (excavators, loaders)
- Steel and paper mills (rolling mills, paper machines)
- Marine propulsion systems (ship engines, thrusters)
- Wind turbines (main shafts, gearboxes)
Availability and ordering
Eurobearing.eu is your specialised B2B supplier of mechanical industrial components, offering fast availability of the HM3088-SKF. For bulk quantity orders, you can request a quotation. Add this product to your cart today or contact us for more information.

