Which lock nuts is this socket compatible with?

The SKF TMFS 2 is designed for KM 2 and KMK 2 lock nuts with an outer diameter of 25 mm.

What drive size does the SKF TMFS 2 use?

This axial lock nut socket features a 1/2" square drive for use with ratchets and torque wrenches.

What are the dimensions of this socket?

The socket has a total length of 82 mm, an effective height of 61 mm, and an outer diameter of 33 mm.

What is the SKF TMFS 2 used for?

It is used for tightening and loosening bearing lock nuts in applications where space is limited.

Is this tool non-sparking or VDE certified?

No, this tool is not non-sparking, not magnetic, and not VDE certified.

SKF TMFS 2 axial lock nut socket 3/8" with effective height 61mm outside diameters 25-33mm

Supplier number: SKF TMFS 2 | EAN 7316570899306

100.20 tax incl.

€82.81 excl. VAT (incl. all environmental contributions)

On order: delivered from 24/10/2026

Ordered before 20:00 - delivered as of 24/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Accurate tightening of axial locknuts

Practical benefits

Skf TMFS 2 locknut socket: You mount and dismount bearings on tapered journals or sleeves smoothly without causing any damage to the nuts.
Access in restricted spaces: The compact axial design requires far less radial clearance around the bearing arrangement than conventional hook spanners.
Compatible with torque wrenches: The square drive allows you to use torque wrenches or power tools for controlled and exact tightening torque.

In a nutshell

The right choise for

With the Skf tmfs 2 axial locknut socket, you mount and dismount bearings on tapered journals or adapter sleeves with exceptional control and accuracy. When conventional hook spanners lack the radial clearance needed in tight spaces, this compact axial socket provides the ideal solution. Designed for 25 mm KM, KMK, and kmf series locknuts, it eliminates the risk of damaging nut slots and shaft seats. The 1/2" square drive allows you to easily attach a torque wrench or power tool for precise, measured tightening. Featuring an effective height of 61 mm and an overall length of 82 mm, this socket ensures smooth, damage-free maintenance on your rotating equipment.

Product information FAQ

€100.20

tax incl.

Key features according to our expert

Socket size: 25 mm
Connection size: 1/2"
Connection profile: Internal square
Length: 82 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: 25 mm
Connection size: 1/2"
Connection profile: Internal square
Length: 82 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: 1/2"
Effective height: 61
Allows bearing mounting: Yes, angle method or with clearance reduction measurement
Coating: Black oxide
Height: 82
Color code: Metallic Black
Outer diameter: 33
Outer diameter lock nut: 25

Brand SKF
01901115
EAN 7316570899306
Supplier number SKF TMFS 2

Frequently asked questions about this product

Answered by specialists

Which lock nuts is this socket compatible with?: The SKF TMFS 2 is designed for KM 2 and KMK 2 lock nuts with an outer diameter of 25 mm.
What drive size does the SKF TMFS 2 use?: This axial lock nut socket features a 1/2" square drive for use with ratchets and torque wrenches.
What are the dimensions of this socket?: The socket has a total length of 82 mm, an effective height of 61 mm, and an outer diameter of 33 mm.
What is the SKF TMFS 2 used for?: It is used for tightening and loosening bearing lock nuts in applications where space is limited.
Is this tool non-sparking or VDE certified?: No, this tool is not non-sparking, not magnetic, and not VDE certified.