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.
0.7498 inches minimum and 0.7500 inches maximum bore diameter, 0.0002 inches minimum radial and 0.0008 inches maximum radial internal clearance, mil-g-81322 mil spec single material response lubrication material document and classification, medium bearing preload designation, angular load direction