SKF MB 18 lock washer for lock nuts 90 x 126 mm

Supplier number: SKF MB 18 | EAN 7316577011619

12.56 tax incl.

€10.38 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 4 products in stock.

Ordered before 20:00 - delivered tomorrow 29/09/2026
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 locking with Skf MB 18

Practical benefits

Prevents unintentional nut loosening: You bend one tab into the lock nut slot to ensure your assembly remains firmly locked under vibration.
Accurately sized dimensions: Designed with a 90 mm bore and a 126 mm outer diameter, you achieve an exact fit on the shaft.
Simple and stable installation: You easily engage the inner tab with the shaft keyway for quick, dependable positioning.

In a nutshell

The right choise for

With the Skf mb 18 lock washer, you reliably secure km 18 lock nuts on shafts or adapter sleeves, keeping bearing assemblies positively locked in their axial position. It effectively prevents unintentional loosening caused by heavy vibration and rotational forces in industrial drive applications. Installation is simple and straightforward: slide the inner tab into the shaft keyway, then bend one of the outer tabs firmly into a slot on the lock nut. With a precise 90 mm inside diameter and 126 mm outside diameter, this fastening element delivers an exact fit and dependable retention for your machinery maintenance.

Product information FAQ

€12.56

In stock - tax incl.

Key features according to our expert

Inner diameter: 90 mm
Outer diameter: 126 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: 90 mm
Outer diameter: 126 mm
Outer diameter: 126
Bore diameter: 90
Locking device: Lock washer

Brand SKF
01230643
EAN 7316577011619
Supplier number SKF MB 18

Frequently asked questions about this product

Answered by specialists

What is the SKF MB 18 lock washer used for?: It secures KM 18 lock nuts on shafts or adapter sleeves to prevent unintentional loosening.
What are the dimensions of this lock washer?: This lock washer has an inside diameter of 90 mm and an outside diameter of 126 mm.
Which lock nut is compatible with the MB 18?: The lock washer is designed for use with the SKF KM 18 lock nut.
How does this lock washer secure the nut?: An inner tab engages the shaft keyway and one outer tab is bent into a slot on the lock nut.
Can this lock washer be reused after disassembly?: No, a new lock washer should always be installed whenever the lock nut is remounted.