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.
0.4724 inches nominal bore diameter, 0.0008 inches minimum radial and 0.0014 inches maximum radial internal clearance, 0.4724 inches nominal overall width, radial load direction, 0.9449 inches nominal overall outside diameter