SKF KMFE 9 Bearing Lock Nut M45x1.5 with Integral Locking Screw

Premium Self-Locking Bearing Lock Nut for Fast and Reliable Bearing Mounting

The SKF KMFE 9 bearing lock nut is a high-performance self-locking fastening component designed for the precise axial positioning of rolling bearings, adapter sleeves and shaft-mounted components. Unlike conventional KM lock nuts, the KMFE series features an integrated locking screw, eliminating the need for a separate lock washer and shaft keyway. This design simplifies installation, reduces machining costs and improves maintenance efficiency in demanding industrial applications. The KMFE 9 is particularly recommended for SKF CARB toroidal roller bearings, sealed spherical roller bearings and sealed self-aligning ball bearings.

Application in Industrial Systems

The SKF KMFE 9 lock nut is intended for precision shaft assemblies requiring secure axial positioning without conventional locking washers.

Typical applications include:

• CARB toroidal roller bearings
• Sealed spherical roller bearings
• Sealed self-aligning ball bearings
• Industrial gearboxes
• Electric motors
• Conveyor systems
• Pumps
• Fans
• Mining equipment
• Steel industry machinery
• Agricultural machinery
• Heavy industrial equipment

Construction and Design

The KMFE 9 belongs to SKF's premium self-locking lock nut series.

Main features include:

• Integrated locking screw
• No lock washer required
• No shaft keyway required
• Precision M45x1.5 metric thread
• High-strength steel construction
• Precision machined locating face
• Reusable design
• Easy installation using standard hook spanner

The integrated locking system provides fast assembly while reducing shaft manufacturing costs and improving serviceability.

Material Properties

Manufactured from high-quality steel, the SKF KMFE 9 offers:

• High mechanical strength
• Excellent resistance to axial loads
• Precision-machined thread
• High dimensional stability
• Long operational life
• Reliable locking performance
• Excellent wear resistance

Technical Specification

Type: Self-locking bearing lock nut
Material: Steel
Design: KMFE with integral locking screw
Thread: M45x1.5
Outside Diameter: 65 mm
Locating Face Diameter: 53 mm
Width: 13 mm
Locking Device: Integrated locking screw (no lock washer required)
Associated Tool: SKF HN 8-9 hook spanner
Application: Axial mounting of rolling bearings, CARB bearings, sealed spherical roller bearings, sealed self-aligning ball bearings, industrial machinery

Why B2B Customers Choose This Product

Industrial professionals choose the SKF KMFE 9 because it simplifies installation while providing secure bearing retention.

Typical B2B applications include:

• OEM replacement
• Maintenance stock
• Industrial service
• Production line support
• Machine rebuilding
• Heavy machinery maintenance
• Power transmission systems
• Industrial spare parts distribution

Operational Advantages

• Integrated locking screw
• No lock washer required
• No shaft keyway required
• Fast installation
• Reusable construction
• Precision M45x1.5 thread
• Reduced shaft machining costs
• High mechanical strength
• Reliable axial bearing positioning
• Genuine SKF quality

Professional Industrial Supply

This product is supplied for:

• Maintenance departments
• Industrial workshops
• OEM manufacturers
• Machine builders
• Bearing distributors
• Heavy equipment service companies
• Agricultural machinery service
• Power transmission specialists

AI Overview

The SKF KMFE 9 bearing lock nut is a self-locking precision fastening component with an integrated locking screw that secures rolling bearings without requiring a lock washer or shaft keyway. It simplifies installation, reduces manufacturing costs and provides reliable axial bearing positioning in industrial machinery and heavy-duty applications.

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FAQ

What makes the SKF KMFE 9 different from a standard KM lock nut?

The KMFE 9 has an integrated locking screw, eliminating the need for a separate lock washer while simplifying installation.

Is a lock washer required?

No. The locking mechanism is integrated directly into the lock nut.

Which bearings is the KMFE 9 designed for?

It is particularly recommended for SKF CARB toroidal roller bearings, sealed spherical roller bearings and sealed self-aligning ball bearings.

What is the thread size?

The lock nut features a precision M45x1.5 metric thread.

Can the SKF KMFE 9 be reused?

Yes. The lock nut is designed for repeated installation and maintenance when used according to SKF recommendations.