Hydraulic nut HMV 21 E SKF

SKF HMV 21E Hydraulic Nut – Safe Bearing Installation

Product Description

The SKF HMV 21E hydraulic nut is a robust and precise tool that facilitates the installation and removal of bearings on tapered shaft journals and sleeves. By utilizing hydraulic force, it eliminates the risk of damaging machine components and significantly reduces installation time.

Technical Specifications

• Model: HMV 21E
• Thread: M105×2
• Internal Diameter of Piston: 105.5 mm
• External Diameter of Piston: 163 mm
• Body Diameter: 172 mm
• Nut Width (B): 38 mm
• Piston Width (B1): 6 mm
• Maximum Piston Stroke: 5 mm
• Piston Surface Area: 5,300 mm²
• Maximum Operating Pressure: 80 MPa (800 bar)
• Weight: 4.65 kg

Features and Benefits

• Precise control of axial force.
• Quick installation and removal without damaging components.
• Compatible with SKF hydraulic pumps.
• Quick coupling for connecting the hydraulic system – at the front or side.

Applications

• Installation of tapered roller bearings on tapered shaft journals.
• Removal of pull-in and push-out sleeves.
• Maintenance operations in industrial plants.

Frequently Asked Questions (FAQ)

Does the HMV 21E require a special pump?
No, a standard SKF hydraulic pump with the appropriate quick coupling is sufficient.

Does the set include spare parts?
Yes, the set includes a complete set of seals and an operating manual.

How long does one hydraulic connection last?
The duration of operation depends on the application – the nut can be reused multiple times with proper maintenance.