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.
angular load direction, 1.4998 inches minimum and 1.5000 inches maximum bore diameter, light bearing preload designation, standard internal fit-up designation, 30.0 degrees nominal contact angle