The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.
1.9986 inches minimum and 1.9991 inches maximum overall outside diameter, 4.2540 inches minimum and 4.2560 inches maximum overall width, ams 6276 assn std single material response overall material document and classification, straight bore shape, 1.6830 inches minimum and 1.6880 inches maximum bore diameter