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.
4.3304 inches minimum and 4.3307 inches maximum overall outside diameter, 3.1493 inches minimum and 3.1496 inches maximum bore diameter, unable to decode material document and classification, 1.2398 inches minimum and 1.2598 inches maximum overall width, radial load direction