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.
40.0 pounds nominal bearing preload rating, angular load direction, mil-g-23827 mil spec single material response lubrication material document and classification, medium bearing preload designation, 2.0622 inches minimum and 2.0626 inches maximum bore diameter