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.
radial load direction, contact bearing seal type, 8.0 millimeters nominal bore diameter, 0.0003 inches minimum radial and 0.0009 inches maximum radial internal clearance, mil-g-81322 mil spec single material response lubrication material document and classification