The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.
4.9210 inches minimum and 4.9213 inches maximum bore diameter, acft eng f-101,f110,ge100 end item identification, straight bore shape, 5.2998 inches minimum and 5.3002 inches maximum overall outside diameter, 1.3450 inches minimum and 1.3500 inches maximum overall width