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.
Bore Diameter: 20 millimeters, Pair of bearing, angularity 15 degrees or less, width: 24 millimeters, Outside Diameter: 42 millimeters, steel material