Which lock nuts is this socket compatible with?

The SKF TMFS 6 fits size 6 lock nuts of series KM, KMK, KMFE, and KMF with a 45 mm outer diameter.

What drive size does this axial lock nut socket have?

It features a 1/2" square drive suitable for torque wrenches and ratchets.

What are the main dimensions of the TMFS 6?

It has a socket outer diameter of 53 mm, a total length of 82 mm, and an effective depth of 58 mm.

What is the advantage of using this socket over a hook spanner?

It requires less clearance around the bearing arrangement and allows accurate torque application with a torque wrench.

Is this lock nut socket non-sparking or magnetic?

No, this tool is neither non-sparking nor magnetic, and it is not VDE certified.

SKF TMFS 6 axial locknut 3/8" with effective height 58mm outside diameters 45-53mm

Supplier number: SKF TMFS 6 | EAN 7316570743562

Recommended Retail Price €124.57

83.20 tax incl.

€68.76 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 3 products in stock.

Ordered before 20:00 - delivered as of 05/10/2026
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

Precise and safe locknut mounting

Practical benefits

Mounting with Skf TMFS 6: You mount and dismount bearings on tapered seatings or sleeves safely without damaging the locknuts.
Ideal for confined spaces: The socket requires significantly less radial space around the bearing arrangement than conventional hook spanners.
Suitable for torque wrenches: You can easily attach 1/2" drive tools to ensure exact torque control during tightening.

In a nutshell

The right choise for

With the Skf tmfs 6 axial lock nut socket, you mount and dismount bearings on tapered journals or adapter sleeves without damaging the lock nuts. Where conventional hook spanners lack swing clearance in confined housings, this slim socket with a 58 mm effective depth and 53 mm outer diameter delivers the reach you need. The 1/2" internal square drive lets you connect a ratchet or torque wrench to achieve precisely controlled tightening. Suitable for size 45 mm lock nuts across the KM, KMK, KMFE, and kmf series, this socket ensures safe and accurate bearing maintenance every time.

Product information FAQ

€83.20

In stock - tax incl.

Key features according to our expert

Socket size: 45 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: 45 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: 58
Allows bearing mounting: Yes, angle method or with clearance reduction measurement
Coating: Black oxide
Height: 82
Color code: Metallic Black
Outer diameter: 53-65
Outer diameter lock nut: 45

Brand SKF
01900346
EAN 7316570743562
Supplier number SKF TMFS 6

Frequently asked questions about this product

Answered by specialists

Which lock nuts is this socket compatible with?: The SKF TMFS 6 fits size 6 lock nuts of series KM, KMK, KMFE, and KMF with a 45 mm outer diameter.
What drive size does this axial lock nut socket have?: It features a 1/2" square drive suitable for torque wrenches and ratchets.
What are the main dimensions of the TMFS 6?: It has a socket outer diameter of 53 mm, a total length of 82 mm, and an effective depth of 58 mm.
What is the advantage of using this socket over a hook spanner?: It requires less clearance around the bearing arrangement and allows accurate torque application with a torque wrench.
Is this lock nut socket non-sparking or magnetic?: No, this tool is neither non-sparking nor magnetic, and it is not VDE certified.