MIL-B-17931E, MILITARY SPECIFICATION: BEARINGS, BALL, ANNULAR, FOR QUIET OPERATION (27 JUL 1987)

MIL-B-17931E, MILITARY SPECIFICATION: BEARINGS, BALL, ANNULAR, FOR QUIET OPERATION (27 JUL 1987)., This specification covers annular ball bearings, with industry bore codes 00 through 22, and 32 for use in quiet operating (low vibration) machinery.