SKF MB 28 lock washer for lock nuts 140 x 192 mm

Supplier number: SKF MB 28 | EAN 7316577011701

Recommended Retail Price €54.21

26.80 tax incl.

€22.15 excl. VAT (incl. all environmental contributions)

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

Ordered before 20:00 - delivered as of 30/09/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Reliable shaft locking with Skf MB 28

Practical benefits

Positive locking for nuts: The internal tab securely engages the shaft keyway to prevent accidental loosening caused by heavy machinery vibration.
Exact fit for shafts: With an inside diameter of 140 mm and outside diameter of 192 mm, you align bearing assemblies with precision.
Durable steel construction: The resilient steel body maintains firm structural integrity for dependable mechanical retention across heavy-duty industrial applications.

In a nutshell

The right choise for

With the Skf mb 28 lock washer, you secure bearings reliably on shafts or adapter sleeves with positive mechanical retention. Specifically designed for use with the km 28 lock nut, this durable steel washer effectively prevents nuts from vibrating loose under heavy dynamic loads. Featuring an inside diameter of 140 mm, an outside diameter of 192 mm, and a material thickness of 2 mm, it ensures an exact fit for your machinery assemblies. The internal tab engages directly into the shaft keyway, while one of the outer tabs is bent into a slot on the lock nut to eliminate unintended axial bearing movement during rotating equipment maintenance.

Product information FAQ

€26.80

In stock - tax incl.

Key features according to our expert

Inner diameter: 140 mm
Outer diameter: 192 mm

Product description

MB and MBL lock washers are locking devices, used to secure KM, KML and HM .. T lock nuts onto a shaft or adapter sleeve and prevent unintentional loosening. MB .. A is a stronger version of the MB washer. The lock washers engage a keyway in the shaft or adapter sleeve thread. They lock the nut in position when one of the washer tabs is bent into one of the slots in the outside diameter of the lock nut. A new lock washer should be used each time the corresponding lock nut is installed.

Simple, stable and reliable fastening element
Easy to install and remove
Used for KM, KML, and HM .. T lock nuts

Documents

⤓ Technical data sheet PDF

All Features

Inner diameter: 140 mm
Outer diameter: 192 mm
Outside diameter: 192
Bore diameter: 140
Locking device: Lock washer

Brand SKF
01230653
EAN 7316577011701
Supplier number SKF MB 28

Frequently asked questions about this product

Answered by specialists

What is the purpose of the SKF MB 28 lock washer?: It secures metric lock nuts such as the KM 28 onto a shaft or adapter sleeve, preventing accidental loosening.
Which lock nut is compatible with this lock washer?: This lock washer is designed for use with the SKF KM 28 lock nut.
What are the dimensions of this lock washer?: It features a 140 mm bore diameter, a 192 mm outside diameter, and a material thickness of 2 mm.
How does this lock washer secure the nut?: The inner tab engages the shaft keyway, and one of the outer tabs is bent into a slot on the lock nut.
Can a used SKF MB 28 lock washer be reused?: No, a new lock washer should always be installed each time the lock nut is mounted to ensure reliable locking.