Grease-lubricated ball bearing has grease feed channel through outer ring which delivers preset amount of additional grease in preset time

摘要

The grease-lubricated ball bearing has a grease feed channel (15) through the outer ring (12). This delivers additional grease in an amount of 0.1 - 4% of the volume of the bearing in preset time. An Independent claim is included for a machine tool spindle fitted with the bearing.