Which lock nuts is this socket compatible with?

It is designed for size 9 axial lock nuts in the KM, KMK, and KMF series.

What drive size does the SKF TMFS 9 use?

It features a standard 3/4" square female drive for use with torque wrenches and power tools.

What are the main dimensions of this socket?

It has an outer diameter of 73.5 mm, an effective working height of 63 mm, and a total length of 90 mm.

What is the advantage over a standard hook spanner?

It requires less radial space around the bearing arrangement and enables precise torque-controlled tightening.

Is this tool non-sparking or magnetic?

No, this socket is not non-sparking and is not magnetic.

SKF TMFS 9 axial locknut 3/8" with effective height 63mm outside diameters 65-73.5mm

Supplier number: SKF TMFS 9 | EAN 7316570415346

187.40 tax incl.

€154.88 excl. VAT (incl. all environmental contributions)

On order: delivered from 02/11/2026

Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Accurate tightening with Skf sockets

Practical benefits

Fits inside confined spaces: You require less operating space around the bearing arrangement compared to using traditional hook spanners.
Torque wrench compatible drive: The standard square drive allows you to use torque wrenches or power tools for controlled fastener tightening.
Effective corrosion protection: The durable outer coating protects the steel socket against wear and rust throughout frequent heavy-duty applications.

In a nutshell

The right choise for

With the Skf tmfs 9 axial lock nut socket, you can mount and dismount bearings accurately without damaging nuts or threads. Unlike traditional hook spanners that demand substantial radial clearance, this compact socket lets you work efficiently inside tight bearing arrangements and machine housings. Its 3/4" square female drive allows seamless connection to a torque wrench or power tool, ensuring precise preload tightening on size 9 KM, KMK, and kmf lock nuts. The durable protective coating shields the steel against wear and corrosion, giving you full control and dependability during intensive maintenance jobs.

Product information FAQ

€187.40

tax incl.

Key features according to our expert

Socket size: 65 mm
Connection size: 3/4"
Connection profile: Internal square
Length: 90 mm
VDE approved: No
With safety colour code 1000V: Not applicable
Non-sparking: No
Magnetic: No

Product description

The TMFS axial lock nut sockets are used to mount bearings on tapered journals or adapter sleeves and for dismounting bearings on withdrawal sleeves. Available in 21 different sizes, they are suitable for various locknuts sizes 0 to 20.

Good alternative to hook spanners, making the use of power tools or torque wrenches possible
Allow the use of torque wrenches
The sockets are provided with a zinc flake coating to assure corrosion protection

Documents

⤓ Technical data sheet PDF

All Features

Socket size: 65 mm
Connection size: 3/4"
Connection profile: Internal square
Length: 90 mm
Vde approved: No
With safety colour code 1000v: Not applicable
Non-sparking: No
Magnetic: No
Material: Alloy engineering steel, hardened and tempered
Fits on lock nuts inside skf split pillow block housings (snl): No
Drive connection: 3/4"
Effective height: 63
Allows bearing mounting: Yes, angle method or with clearance reduction measurement
Coating: Black oxide
Height: 90
Color code: Metallic Black
Outer diameter: 73.5
Outer diameter lock nut: 65

Brand SKF
01901111
EAN 7316570415346
Supplier number SKF TMFS 9

Frequently asked questions about this product

Answered by specialists

Which lock nuts is this socket compatible with?: It is designed for size 9 axial lock nuts in the KM, KMK, and KMF series.
What drive size does the SKF TMFS 9 use?: It features a standard 3/4" square female drive for use with torque wrenches and power tools.
What are the main dimensions of this socket?: It has an outer diameter of 73.5 mm, an effective working height of 63 mm, and a total length of 90 mm.
What is the advantage over a standard hook spanner?: It requires less radial space around the bearing arrangement and enables precise torque-controlled tightening.
Is this tool non-sparking or magnetic?: No, this socket is not non-sparking and is not magnetic.