SKF KMT 8 locknut 40 x 65 x 22 mm M40x1.5

Supplier number: SKF KMT 8 | EAN 7316577655011

Recommended Retail Price €176.81

87.40 tax incl.

€72.23 excl. VAT (incl. all environmental contributions)

On order: delivered from 15/10/2026

Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Accurate and dependable shaft locking

Practical benefits

Reliable Skf locking pins: Three integrated locking pins let you secure the nut firmly without damaging the shaft thread.
No keyway required: You save shaft machining time and effort because installation requires no keyway slot.
High axial capacity: With its 40 x 65 x 22 mm design, you easily support heavy axial loads in precision applications.

In a nutshell

The right choise for

With the Skf kmt 8 precision lock nut, you secure bearings and rotating components onto shafts with maximum accuracy and reliability. Three integrated locking pins let you lock the nut securely in place without damaging the shaft thread. Because no keyway is required, you save valuable machining time and effort during preparation. Featuring an M40 x 1.5 thread, a 65 mm outside diameter, and a 22 mm width, this nut easily withstands high axial loads in demanding drive systems and spindles. It allows you to set bearing preload precisely and prevent axial loosening under dynamic forces.

Product information FAQ

€87.40

tax incl.

Key features according to our expert

Outer diameter: 65 mm
Width: 22 mm
Thread designation: M40 x 1,5

Product description

KMT precision lock nuts are intended for applications where high precision, simple assembly and reliable locking are required. The three equally-spaced locking pins enable these lock nuts to be accurately positioned at right angles to the shaft. However, they can also be adjusted to compensate for slight angular deviations of adjacent components. Maximum axial run-out between the locating face and thread (up to size 40): 0.005 mm

No keyway required
Withstands high axial loads
Reliable, effective locking mechanism
Designed for frequent and simple installation and removal
Available for thread M 10x0.75 to M 200x3 (sizes 0 to 40) and Tr 220x4 to Tr 420x5 (sizes 44 to 84)

Documents

⤓ Technical data sheet PDF

All Features

Outer diameter: 65 mm
Width: 22 mm
Thread designation: M40 x 1,5
Outside diameter: 65
Bore diameter: 40
Associated mounting tool: HN 8-9
Nut for hydraulic mounting: No
Locking device: Incorporated in the lock nut

Brand SKF
01231123
EAN 7316577655011
Supplier number SKF KMT 8

Frequently asked questions about this product

Answered by specialists

What are the exact dimensions of this lock nut?: The nut features an M40x1.5 thread, an outside diameter of 65 mm, and a width of 22 mm.
How does the locking mechanism of the SKF KMT 8 work?: Locking is achieved using 3 integrated locking pins that are tightened against the shaft thread.
Is a keyway required on the shaft?: No, the integrated locking pins eliminate the need for a keyway or separate locking washer.
Which mounting tool is suitable for installation?: It can be mounted using an appropriate hook spanner, such as the SKF HN 8-9, or a matching open-ended spanner.