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.
0.0004 inches minimum radial and 0.0007 inches maximum radial internal clearance, 5.3140 inches minimum and 5.3150 inches maximum overall outside diameter, radial load direction, light bearing preload designation, 4.1331 inches minimum and 4.1339 inches maximum bore diameter