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, medium bearing preload designation, 2.9996 inches minimum and 3.0000 inches maximum bore diameter, 15.0 pounds nominal bearing preload rating, standard internal fit-up designation