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.
angular load direction, mil-g-23827 mil spec single material response lubrication material document and classification, contact bearing seal type, 7.9998 inches minimum and 8.0000 inches maximum bore diameter, standard internal fit-up designation