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.
1.3700 inches minimum and 1.3750 inches maximum overall width, unable to decode material, 1.7500 inches nominal overall outside diameter, 1.3125 inches nominal bore diameter, abec no. 5t standard tolerance designation