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, 0.907 kilograms nominal bearing preload rating, 26.98 millimeters nominal bore diameter, standard internal fit-up designation, 0.0120 inches minimum radial and 0.0370 inches maximum radial internal clearance