Official distributor in the USA
171 BGL lock washers part numbers, each on its own page where you can request a quote. The key series come first, followed by the complete list.
View all BGL bushings and sleeves part numbers →Lock washers, all brands →
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The BGL MS lock washer sits over an HM nut on a large adapter sleeve and holds it in place with a screw. It stops the nut from backing off under vibration or rotation, so the bearing stays properly fitted on the shaft. This type of washer belongs to large adapter sleeve assemblies where the nut needs a secure lock.
Example part numbers:MS30/530MS30/530-600MS30/560MS30/630MS30/670
The BGL MB lock washer keeps KM nuts from loosening after they are tightened on an adapter sleeve. Its internal tooth sits in the shaft groove, and one of its outer tabs is bent into a notch on the nut. This simple mechanical lock preserves the axial position of bearings and other rotating parts where vibration is present.
The BGL AW lock washer is a locking component that fits between a KM lock nut and an adapter sleeve. Its angled teeth engage the sleeve slots while a bendable tab catches a notch on the nut, preventing the nut from rotating loose under vibration. Made in carbon steel, with a stainless steel option for corrosive conditions, it is essential for bearings mounted on adapter sleeves where tightening must remain secure.
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