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.
1.3125 inches nominal overall outside diameter, 4.0 pounds minimum and 6.0 pounds maximum bearing preload rating, mil-g-23827 mil spec single material response lubrication material document and classification, radial load direction, 0.8750 inches nominal bore diameter