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.
standard internal fit-up designation, 18.00 millimeters nominal overall width, 15.00 millimeters nominal bore diameter, angular load direction, 32.00 millimeters nominal overall outside diameter