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.
12.4986 inches minimum and 12.5000 inches maximum overall outside diameter, 10.9986 inches minimum and 11.0000 inches maximum bore diameter, unable to decode material document and classification, 1.4600 inches minimum and 1.5000 inches maximum overall width, angular load direction