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.
32.0 millimeters nominal overall width, 20.0 pounds nominal bearing preload rating, 4.1338 inches nominal overall outside diameter, 2.9527 inches nominal bore diameter, angular load direction