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, steel overall material, 25.5300 millimeters minimum and 25.6500 millimeters maximum overall width, 22.2050 millimeters minimum and 22.2170 millimeters maximum overall outside diameter, 16.9850 millimeters minimum and 16.9950 millimeters maximum bore diameter