MIL-B-81793/1
BEARING, BALL, ANNULAR, FOR INSTRUMENTS AND PRECISION ROTATING COMPONENTS, DEEP GROOVE, UNFLANGED, CHROMIUM-ALLOY STEEL, ABEC 5P
BEARING, BALL, ANNULAR, FOR INSTRUMENTS AND PRECISION ROTATING COMPONENTS, DEEP GROOVE, UNFLANGED, CHROMIUM-ALLOY STEEL, ABEC 5P