Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.
0.0005 inches minimum radial and 0.0008 inches maximum radial internal clearance, c22 calibration designator, 6.0 millimeters nominal bore diameter, mil-g-25013 fed spec single material response lubrication material document and classification, angular load direction