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.
3.8746 inches minimum and 3.8750 inches maximum overall outside diameter, 3.0621 inches minimum and 3.0625 inches maximum bore diameter, 0.6040 inches minimum and 0.6140 inches maximum overall width, 15.0 degrees minimum and 21.0 degrees maximum contact angle, angular load direction