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.
4.0 pounds nominal bearing preload rating, 0.0003 inches minimum radial and 0.0005 inches maximum radial internal clearance, mil-l-6085 mil spec single material response lubrication material document and classification, radial load direction, 0.1250 inches nominal bore diameter