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.
3.1494 inches minimum and 3.1496 inches maximum overall outside diameter, 1.3778 inches minimum and 1.3780 inches maximum bore diameter, nsn2350-01-305-0028 end item identification, mil-g-81322 mil spec single material response lubrication material document and classification, 1.6535 inches nominal overall width