The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.
straight bore shape, 3.7629 inches minimum and 3.7634 inches maximum overall outside diameter, steel comp e52100 overall material, 3.3635 inches minimum and 3.3640 inches maximum bore diameter, 0.9975 inches minimum and 1.0025 inches maximum overall width