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.
unable to decode material, 0.2500 inches nominal bore diameter, 0.6250 inches nominal overall outside diameter, 0.3920 inches nominal overall width, 2 shield quantity