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.
20.0 pounds nominal bearing preload rating, 15.00 millimeters nominal bore diameter, 0.0004 inches minimum radial and 0.0020 inches maximum radial internal clearance, radial load direction, beacon 325,fscm 29700 mfr ref single material response lubrication material document and classification