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.
radial load direction, 2.1651 inches minimum and 2.1654 inches maximum bore diameter, unable to decode material document and classification, 3.1493 inches minimum and 3.1496 inches maximum overall outside diameter, 1.0036 inches minimum and 1.0236 inches maximum overall width