What are the dimensions of this lock nut?

The SKF KMT 6 features an M30x1.5 thread, an outside diameter of 49 mm, and a width of 20 mm.

Is a keyway required in the shaft?

No, thanks to the integrated locking pins, no keyway or separate locking washer is required.

Which tool is suitable for mounting?

You can install this nut using a matching hook spanner, such as the SKF HN 7, or a suitable open-ended spanner.

What is the benefit of the locking pins?

Three equally spaced pins lock firmly onto the thread without damage and maintain accurate perpendicular alignment.

SKF KMT 6 locknut 30 x 49 x 20 mm M30x1.5

Supplier number: SKF KMT 6 | EAN 7316577291851

Recommended Retail Price €159.49

78.80 tax incl.

€65.12 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Accurate bearing positioning with Skf KMT 6

Practical benefits

Precise right angle alignment: Three integrated locking pins allow you to set the nut accurately perpendicular to the shaft.
No keyway required: You install the nut directly onto the thread without needing to machine a keyway slot.
High axial capacity: The rigid steel design ensures you keep bearings locked securely under heavy axial working loads.

In a nutshell

The right choise for

With the Skf kmt 6 precision lock nut, you secure bearings accurately and firmly without needing a keyway or separate locking washer. Three integrated locking pins allow you to align the nut precisely perpendicular to the shaft, clamping firmly onto the thread without causing damage. Featuring an M30X1.5 thread, an outside diameter of 49 mm, and a width of 20 mm, this robust lock nut withstands high axial loads on machine tool spindles and cnc ball screw supports. You can easily install it using a matching hook spanner such as the Skf hn 7.

Product information FAQ

€78.80

In stock - tax incl.

Key features according to our expert

Outer diameter: 49 mm
Width: 20 mm
Thread designation: M30 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: 49 mm
Width: 20 mm
Thread designation: M30 x 1,5
Outer diameter: 49
Bore diameter: 30
Associated mounting tool: HN 7
Nut for hydraulic mounting: No
Locking device: Incorporated in the lock nut

Brand SKF
01231008
EAN 7316577291851
Supplier number SKF KMT 6

Frequently asked questions about this product

Answered by specialists

What are the dimensions of this lock nut?: The SKF KMT 6 features an M30x1.5 thread, an outside diameter of 49 mm, and a width of 20 mm.
Is a keyway required in the shaft?: No, thanks to the integrated locking pins, no keyway or separate locking washer is required.
Which tool is suitable for mounting?: You can install this nut using a matching hook spanner, such as the SKF HN 7, or a suitable open-ended spanner.
What is the benefit of the locking pins?: Three equally spaced pins lock firmly onto the thread without damage and maintain accurate perpendicular alignment.