The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.
3.8563 inches minimum and 3.8568 inches maximum overall outside diameter, 3.4995 inches minimum and 3.5000 inches maximum bore diameter, straight bore shape, 0.7450 inches minimum and 0.7500 inches maximum overall width, 66 fed std single material response overall material document and classification