Bearing Purge provides lubrication while it safely removes varnish build-up, softens hardened grease, and flushes contaminants to reduce operating temperatures, energy consumption and bearing wear. Non-abrasive formula safely removes varnish, lacquer and other baked-on deposits from bearings, races, cages, balls, rollers, and pins.Cleaner will not damage sensitive bearing surfaces and inhibits rust and corrosion.