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, 0.7500 inches nominal overall outside diameter, 0.2500 inches nominal bore diameter, radial load direction, 0.0011 inches minimum radial and 0.0014 inches maximum radial internal clearance