The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.
2.4994 inches minimum and 2.5000 inches maximum overall outside diameter, straight bore shape, 2.0050 inches minimum and 2.0060 inches maximum bore diameter, 66 fed std single material response overall material document and classification, 2.4900 inches minimum and 2.5000 inches maximum overall width