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.
1.9998 inches minimum and 2.0000 inches maximum overall outside diameter, 0.4800 inches minimum and 0.5000 inches maximum overall width, 1.5623 inches minimum and 1.5625 inches maximum bore diameter, joint stars target radar system end item identification, mil-g-23827 mil spec 2nd material response lubrication material document and classification