FF-B-171B, FEDERAL SPECIFICATION: BEARINGS, BALL, ANNULAR (GENERAL PURPOSE), METRIC (30 NOV 1993) [SEE NOTICE 1 FOR SUPERSEDING DOCUMENTS]
FF-B-171B, FEDERAL SPECIFICATION: BEARINGS, BALL, ANNULAR (GENERAL PURPOSE), METRIC (30 NOV 1993) [SEE NOTICE 1 FOR SUPERSEDING DOCUMENTS]., This specification covers annular ball bearings for general purpose use that conform to boundary dimensions and Annular Bearing Engineering Committee (ABEC) ABEC-1 and ABEC-5 tolerances as defined in American National Standard Institute (ANSI) Anti-Friction Bearing Manufacturers Association (AFBMA) STD 20.