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.
0.2500 inches nominal bore diameter, 0.3920 inches nominal overall width, medium bearing preload designation, angular load direction, 0.6250 inches nominal overall outside diameter