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-18709 mil spec single material response lubrication material document and classification, 1.6335 inches minimum and 1.6535 inches maximum overall width, standard internal fit-up designation, 2.1652 inches minimum and 2.1654 inches maximum bore diameter