The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.
0.9000 inches minimum and 0.9100 inches maximum overall outside diameter, ams 6490 assn std single material response inner ring material document and classification, straight bore shape, 0.7872 inches minimum and 0.7874 inches maximum bore diameter, 0.6200 inches nominal overall width