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.
mounting groove features provided, 0.0002 inches minimum radial and 0.0008 inches maximum radial internal clearance, 1.1811 inches nominal bore diameter, radial load direction, mil-g-23827 mil spec single material response lubrication material document and classification