The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.
0.2360 inches minimum and 0.2362 inches maximum bore diameter, 0.3507 inches minimum and 0.3513 inches maximum smallest outside diameter, straight bore shape, abec no.5 standard tolerance designation, 0.2312 inches minimum and 0.2360 inches maximum overall width