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.
2.0 pounds minimum and 9.0 pounds maximum bearing preload rating, standard internal fit-up designation, 0.6250 inches nominal bore diameter, 1.3750 inches nominal overall outside diameter, angular load direction