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.
1.3125 inches nominal bore diameter, angular load direction, 30.0 pounds minimum and 40.0 pounds maximum bearing preload rating, rl743,fscm 19135 mfr ref single material response lubrication material document and classification, standard internal fit-up designation