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