SKF MB 40 lock washer for lock nuts 200 x 262 mm

Supplier number: SKF MB 40 | EAN 7316577001399

Recommended Retail Price €119.19

58.95 tax incl.

€48.72 excl. VAT (incl. all environmental contributions)

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

Ordered before 20:00 - delivered tomorrow 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 40

Practical benefits

Prevents unintentional nut loosening: Bending a tab into the lock nut slot ensures you maintain a tight, vibration-proof assembly.
Precise component fitment: Featuring a 200 mm bore and 262 mm outer diameter, it matches your matching hardware perfectly.
Easy and stable installation: You engage the inner tab directly into the shaft keyway for quick, dependable positioning.

In a nutshell

The right choise for

With the Skf mb 40 lock washer, you ensure a reliable, vibration-proof mechanical assembly. Designed specifically for use with km 40 lock nuts, it holds rolling bearings firmly in their fixed axial position on shafts or adapter sleeves. With an accurate inside diameter of 200 mm and an outside diameter of 262 mm, it fits your matching components seamlessly. Installation is straightforward: engage the inner tab directly into the shaft keyway and bend one of the outer tabs into a lock nut slot. This effectively prevents any unintentional loosening during demanding industrial operations.

Product information FAQ

€58.95

In stock - tax incl.

Key features according to our expert

Inner diameter: 200 mm
Outer diameter: 262 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: 200 mm
Outer diameter: 262 mm
Outside diameter: 262
Bore diameter: 200
Locking device: Lock washer

Brand SKF
01230661
EAN 7316577001399
Supplier number SKF MB 40

Frequently asked questions about this product

Answered by specialists

Which lock nuts are compatible with the SKF MB 40 lock washer?: This lock washer is designed for use with KM 40 lock nuts to securely retain bearings on shafts or sleeves.
What are the exact dimensions of this lock washer?: It has an inside diameter of 200 mm, an outside diameter of 262 mm, and a thickness of 2.5 mm.
How does this SKF lock washer prevent loosening?: The inner tab engages the shaft keyway, and one of the outer tabs is bent into a slot on the lock nut.
Can you reuse this lock washer after dismounting?: No, SKF recommends installing a new lock washer every time the corresponding lock nut is tightened.