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, 5.5 pounds nominal bearing preload rating, 0.6690 inches minimum and 0.6693 inches maximum bore diameter, 25.0 degrees nominal contact angle, angular load direction