Which lock nuts is this lock washer compatible with?

The SKF MB 19 lock washer is designed for use with KM 19 lock nuts with M95x2 threads.

What are the dimensions of the SKF MB 19 lock washer?

It features an inside diameter of 95 mm and an outside diameter of 133 mm.

How does this washer lock the nut in place?

The inner tab engages the shaft keyway, and an outer tab is bent into one of the nut slots.

Can a used SKF MB 19 lock washer be reused?

No, a new lock washer should always be installed whenever the lock nut is removed or remounted.

What is the primary purpose of this lock washer?

It prevents bearings and lock nuts from loosening on shafts or adapter sleeves due to vibration.

SKF MB 19 lock washer for lock nuts 95 x 133 mm

Supplier number: SKF MB 19 | EAN 7316577011626

Recommended Retail Price €15.37

7.40 tax incl.

€6.11 excl. VAT (incl. all environmental contributions)

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

Ordered before 20:00 - delivered tomorrow 09/10/2026
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

Secure locking for bearings

Practical benefits

Prevents unintentional loosening: Bending a tab into the lock nut slot ensures you lock KM nuts securely against vibrations.
Accurate shaft alignment: The Skf MB 19 lock washer fits accurately onto keyed shafts with a 95 mm bore.
Sturdy steel design: A 133 mm outside diameter provides you with a dependable mechanical locking surface.

In a nutshell

The right choise for

With the Skf mb 19 lock washer, you secure bearings and lock nuts against vibration-induced loosening on shafts and adapter sleeves. Crafted from durable steel with a 95 mm inside diameter and a 133 mm outside diameter, this washer is designed for use with km 19 lock nuts. By engaging the inner tab into the shaft keyway and bending an outer tab into a slot on the nut, you achieve a positive mechanical lock without adhesives. This ensures reliable axial positioning and maintains proper bearing preload across demanding industrial drivetrains and machinery.

Product information FAQ

€7.40

In stock - tax incl.

Key features according to our expert

Inner diameter: 95 mm
Outer diameter: 133 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: 95 mm
Outer diameter: 133 mm
Outer diameter: 133
Bore diameter: 95
Locking device: Lock washer

Brand SKF
01230644
EAN 7316577011626
Supplier number SKF MB 19

Frequently asked questions about this product

Answered by specialists

Which lock nuts is this lock washer compatible with?: The SKF MB 19 lock washer is designed for use with KM 19 lock nuts with M95x2 threads.
What are the dimensions of the SKF MB 19 lock washer?: It features an inside diameter of 95 mm and an outside diameter of 133 mm.
How does this washer lock the nut in place?: The inner tab engages the shaft keyway, and an outer tab is bent into one of the nut slots.
Can a used SKF MB 19 lock washer be reused?: No, a new lock washer should always be installed whenever the lock nut is removed or remounted.
What is the primary purpose of this lock washer?: It prevents bearings and lock nuts from loosening on shafts or adapter sleeves due to vibration.