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.
light bearing preload designation, 0.9841 inches minimum and 0.9843 inches maximum bore diameter, radial load direction, acft eng j85 end item identification, aligning ring features provided