Machine tool dry roller bearing for drive spindle - uses inert gas atmos. to surround the bearing

摘要

Roller bearing for a drive spindle whose bearing surface and roller body is coated with a metallic or non-metallic coating of material of low coefficient of friction, includes a dry atmosphere of inert gas which surrounds the bearing area. USE/ADVANTAGE - For machine tool spindle drives. Avoids use of liquid or paste lubricants. excessive heat generation is avoided.