SKF KM 21 locknut 105 x 140 x 18 mm M105x2

Supplier number: SKF KM 21 | EAN 7316577011190

Recommended Retail Price €132.47

65.40 tax incl.

€54.05 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

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↓ Documents (1) ✆ Talk to a specialist

Reliable axial bearing shaft positioning

Practical benefits

Skf KM 21 lock nut: With this precision component featuring M105X2 metric thread, you securely locate bearings and components on machine shafts.
Safe locking with washer: When paired with a matching lock washer, you prevent unintentional loosening caused by vibrations during heavy mechanical operation.
Fast spanner slot mounting: Four evenly spaced slots around the outer diameter allow you to install and remove the unit easily using a hook spanner.

In a nutshell

The right choise for

With the Skf km 21 lock nut, you locate bearings and transmission components securely and accurately on machine shafts. Featuring a metric M105X2 thread, a 140 mm outside diameter, and an 18 mm width, this precision lock nut provides stable and play-free axial positioning. When paired with a matching lock washer, it effectively prevents unintentional loosening caused by heavy mechanical vibrations or dynamic forces. Four evenly spaced slots around the outer circumference allow fast, controlled mounting and dismounting with a hook spanner, keeping your rotating industrial machinery running smoothly and reliably.

Product information FAQ

€65.40

In stock - tax incl.

Key features according to our expert

Outer diameter: 140 mm
Width: 18 mm
Thread designation: M105 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: 140 mm
Width: 18 mm
Thread designation: M105 x 2
Outside diameter: 140
Bore diameter: 105
Associated mounting tool: HN 21-22
Nut for hydraulic mounting: No
Locking device: Lock washer

Brand SKF
01230608
EAN 7316577011190
Supplier number SKF KM 21

Frequently asked questions about this product

Answered by specialists

What thread size does this lock nut have?: The SKF KM 21 features a metric M105x2 thread.
What are the dimensions of the SKF KM 21?: The lock nut has a bore diameter of 105 mm, an outside diameter of 140 mm, and a width of 18 mm.
Which locking device is compatible with this nut?: This lock nut is designed to be secured using the matching SKF MB 21 lock washer.
What tool should you use to install it?: You install and remove the nut using an SKF HN 21-22 hook spanner fitted into the four outer slots.
Is this lock nut reusable?: Yes, provided it is undamaged, you can reuse the lock nut with a new lock washer.