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.
0.4376 inches nominal overall width, 0.0002 inches minimum radial and 0.0006 inches maximum radial internal clearance, 0.3750 inches nominal bore diameter, 0.8750 inches nominal overall outside diameter, radial load direction