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.
0.9841 inches minimum and 0.9843 inches maximum bore diameter, 1.8502 inches minimum and 1.8504 inches maximum overall outside diameter, acft eng j-85 end item identification, aligning ring features provided, radial load direction