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.
0.5424 inches minimum and 0.5524 inches maximum overall width, 0.9447 inches minimum and 0.9449 inches maximum overall outside diameter, 0.4722 inches minimum and 0.4724 inches maximum bore diameter, radial load direction, acft eng f-107 end item identification