SKF MB 6 lock washer for lock nuts 30 x 49 mm

Supplier number: SKF MB 6 | EAN 7316570586282

1.34 tax incl.

€1.11 excl. VAT (incl. all environmental contributions)

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↓ Documents (1) ✆ Talk to a specialist

Reliable nut retention with the Skf MB 6 lock washer

Practical benefits

Prevents unintentional loosening: You keep KM 6 lock nuts firmly in place by bending a tab into the slot.
Simple and quick installation: You engage the internal tab directly into the shaft keyway for immediate, stable mechanical locking.
Precise standard dimensions: Engineered with a 30 mm inside diameter and 49 mm outside diameter for an exact fit.

In a nutshell

The right choise for

With the Skf mb 6 lock washer, you reliably secure lock nuts such as the km 6 against vibration loosening during continuous machinery operation. The internal tab engages directly into the shaft keyway, allowing you to easily bend one of the outer tabs into a slot on the nut for a positive mechanical lock. Featuring a 30 mm inside diameter and a 49 mm outside diameter, it provides an exact fit to eliminate unintended axial movement of shaft-mounted bearings across gearboxes, pumps, and electric motors.

Product information FAQ

€1.34

In stock - tax incl.

Key features according to our expert

Inner diameter: 30 mm
Outer diameter: 49 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: 30 mm
Outer diameter: 49 mm
Outside diameter: 49
Bore diameter: 30
Locking device: Lock washer

Brand SKF
01230631
EAN 7316570586282
Supplier number SKF MB 6

Frequently asked questions about this product

Answered by specialists

What are the dimensions of this lock washer?: The SKF MB 6 lock washer has an inside diameter of 30 mm, an outside diameter of 49 mm, and a thickness of 1.25 mm.
Which lock nut is this washer compatible with?: This lock washer is designed for use with the SKF KM 6 lock nut.
How does the SKF MB 6 lock the nut on the shaft?: The inner tab engages the shaft keyway, and an outer tab is bent into one of the nut slots.
Can you reuse a lock washer after disassembly?: No, SKF recommends installing a new lock washer each time the lock nut is mounted.