SKF MB 20 Lock Washer - Bearing Lock Washer 100 mm ID, 142 mm OD

SKF MB 20 Lock Washer - Bearing Lock Washer 100 mm ID, 142 mm OD

The SKF MB 20 bearing lock washer is a precision-engineered locking device crafted for securing KM, KML, and HM series lock nuts onto shafts or adapter sleeves, effectively eliminating unintended loosening during operation.

Constructed from durable steel, it features an inner diameter of 100 mm, an outer diameter of 142 mm, and a thickness of approximately 1.75 mm, ensuring a snug and reliable fit.

This lock washer engages with a keyway on the shaft or adapter, and once installed, one of its tabs is bent into the nut’s slot, locking the nut securely in place. Widely used in industrial and maintenance settings, this washer is essential for maintaining mechanical integrity in high-vibration environments.

Key Features & Benefits

• Material: Strong steel construction ensures durability and long-term stability.

• Precision fit: 100 mm ID, 142 mm OD, 1.75 mm thick—designed for SKF MB and KM nut compatibility.

• Secure locking: Locks KM-series nuts in place through tab engagement—prevents accidental loosening.

• Versatile application: Ideal for bearings, industrial drive systems, and robust machinery.

• Easy installation: Quick to mount—bend a tab into the nut slot and it stays secure.

FAQ - Frequently Asked Questions

1. What models is the MB 20 lock washer compatible with?
It’s designed to secure KM, KML, and MB-series lock nuts on adapter sleeves or.

2. What are its exact dimensions?
It measures 100 mm inner diameter, 142 mm outer diameter, and about 1.75 mm thickness.

3. How does it prevent nut loosening?
Once the nut is tightened, a tab from the washer is bent into the nut’s slot, locking it and preventing movement.

4. What material is it made from?
High-strength steel, optimized for industrial mechanical reliability.

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