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.
angular load direction, 7.0 pounds minimum and 8.0 pounds maximum bearing preload rating, 0.7500 inches nominal bore diameter, 0.0006 inches minimum radial and 0.0012 inches maximum radial internal clearance, 20.0 degrees nominal contact angle