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.
1.2650 inches minimum and 1.2750 inches maximum overall width, 2.1652 inches minimum and 2.1654 inches maximum bore diameter, b-1b acft end item identification, angular load direction, 3.1493 inches minimum and 3.1496 inches maximum overall outside diameter