What is the SKF MB 32 lock washer used for?

It locks a compatible lock nut in place on a shaft or sleeve to prevent unintentional loosening.

Which lock nut is compatible with this washer?

The MB 32 lock washer is designed for use with the SKF KM 32 lock nut.

What are the dimensions of the MB 32 lock washer?

It has a bore diameter of 160 mm, an outside diameter of 217 mm, and a thickness of 2.5 mm.

How does this lock washer secure the nut?

The inner tab engages the shaft keyway, and one outer tab is bent into a slot on the lock nut.

Can you reuse a lock washer after disassembly?

No, you should always install a new lock washer each time the lock nut is mounted for secure fastening.

SKF MB 32 lock washer for lock nuts 160 x 217 mm

Supplier number: SKF MB 32 | EAN 7316577011732

Recommended Retail Price €79.75

39.40 tax incl.

€32.56 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 5 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

↓ Documents (1) ✆ Talk to a specialist

Dependable shaft locking with Skf

Practical benefits

Prevents accidental nut loosening: You secure lock nuts firmly onto the shaft by engaging the inner tab directly into the keyway.
Quick and simple installation: You achieve positive locking easily by bending one outer tab into the lock nut slot.
Precise standard dimensions: Designed with a 160 mm bore and 217 mm outer diameter, it matches your assembly accurately.

In a nutshell

The right choise for

With the Skf mb 32 lock washer, you securely fasten km 32 lock nuts onto shafts or adapter sleeves, keeping bearings reliably positioned even under intense machinery vibrations. Featuring a 160 mm bore diameter and a 217 mm outside diameter, it fits your assembly with complete precision. The inner tab engages directly into the shaft keyway, allowing you to easily bend one of the outer tabs into a lock nut slot for positive mechanical locking. This enables you to assemble and overhaul industrial rotating equipment quickly, accurately, and without relying on thread-locking adhesives.

Product information FAQ

€39.40

In stock - tax incl.

Key features according to our expert

Inner diameter: 160 mm
Outer diameter: 217 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: 160 mm
Outer diameter: 217 mm
Outer diameter: 217
Bore diameter: 160
Locking device: Lock washer

Brand SKF
01230657
EAN 7316577011732
Supplier number SKF MB 32

Frequently asked questions about this product

Answered by specialists

What is the SKF MB 32 lock washer used for?: It locks a compatible lock nut in place on a shaft or sleeve to prevent unintentional loosening.
Which lock nut is compatible with this washer?: The MB 32 lock washer is designed for use with the SKF KM 32 lock nut.
What are the dimensions of the MB 32 lock washer?: It has a bore diameter of 160 mm, an outside diameter of 217 mm, and a thickness of 2.5 mm.
How does this lock washer secure the nut?: The inner tab engages the shaft keyway, and one outer tab is bent into a slot on the lock nut.
Can you reuse a lock washer after disassembly?: No, you should always install a new lock washer each time the lock nut is mounted for secure fastening.