What is the SKF KM 12 lock nut used for?

It is used to locate and secure bearings axially on a shaft or sleeve.

What are the thread size and dimensions of this nut?

It features an M60x2 thread, an outer diameter of 80 mm, and a width of 11 mm.

Which lock washer is compatible with this lock nut?

You secure this lock nut on the shaft using a matching MB 12 lock washer.

Which tool is required for installation and removal?

You install and remove the nut using a suitable hook spanner, such as the SKF HN 12-13.

Is the SKF KM 12 lock nut reusable?

Yes, as long as it is undamaged, you can reuse it, ideally with a new lock washer.

SKF KM 12 locknut 60 x 80 x 11 mm M60x2

Supplier number: SKF KM 12 | EAN 7316577758903

18.95 tax incl.

€15.66 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered tomorrow 10/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

↓ Documents (1) ✆ Talk to a specialist

Reliable shaft location with Skf

Practical benefits

Secure and stable positioning: You keep bearings firmly located on the shaft, preventing unwanted axial displacement during demanding industrial operations.
Simple and precise tightening: With four equally spaced outer slots, you quickly tighten the fastening element using a compatible hook spanner.
Reusable for efficient maintenance: You easily dismount the component during servicing and reuse it reliably alongside a fresh lock washer.

In a nutshell

The right choise for

With the Skf km 12 lock nut, you locate and secure bearings firmly on the shaft, preventing unwanted axial displacement caused by heavy loads and vibrations. This robust lock nut features an M60X2 thread, an 80 mm outer diameter, and an 11 mm width, with four equally spaced slots for precise tightening using a compatible hook spanner such as the Skf hn 12-13. Combined with an mb 12 lock washer, it delivers a dependable mechanical lock to maintain accurate bearing positioning. It dismounts easily during servicing and can be reused with a fresh lock washer for efficient maintenance.

Product information FAQ

€18.95

In stock - tax incl.

Key features according to our expert

Outer diameter: 80 mm
Width: 11 mm
Thread designation: M60 x 2

Product description

KM and KML lock nuts are used to locate bearings onto a shaft. They have metric threads and four equally spaced slots located around their circumference to accommodate a spanner. They should be locked by a lock washer to prevent unintentional loosening. KM and KML lock nuts can be reused, provided they are not damaged.

Simple, stable and reliable fastening element
Easy to install and remove
Reusable with a new lock washer
Available for thread M 10x0.75 to M 200x3 (sizes 0 to 40)

Documents

⤓ Technical data sheet PDF

All Features

Outer diameter: 80 mm
Width: 11 mm
Thread designation: M60 x 2
Outer diameter: 80
Bore diameter: 60
Associated mounting tool: HN 12-13
Nut for hydraulic mounting: No
Locking device: Lock washer

Brand SKF
01230599
EAN 7316577758903
Supplier number SKF KM 12

Frequently asked questions about this product

Answered by specialists

What is the SKF KM 12 lock nut used for?: It is used to locate and secure bearings axially on a shaft or sleeve.
What are the thread size and dimensions of this nut?: It features an M60x2 thread, an outer diameter of 80 mm, and a width of 11 mm.
Which lock washer is compatible with this lock nut?: You secure this lock nut on the shaft using a matching MB 12 lock washer.
Which tool is required for installation and removal?: You install and remove the nut using a suitable hook spanner, such as the SKF HN 12-13.
Is the SKF KM 12 lock nut reusable?: Yes, as long as it is undamaged, you can reuse it, ideally with a new lock washer.