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.
light bearing preload designation, angular load direction, 0.0007 inches minimum radial and 0.0012 inches maximum radial internal clearance, 0.3750 inches nominal bore diameter, 3.0 pounds nominal bearing preload rating