An item in which the shaft or revolving part turns upon hardened rollers usually contained in a cage. It must contain an inner or outer race, or both. For items without a race(s), see retainer and roller, bearing.
1.9300 inches minimum and 1.9500 inches maximum overall width, split outer race, no inner race style designator, 2.1250 inches minimum and 2.1260 inches maximum overall outside diameter, 1.4995 inches minimum and 1.5000 inches maximum bore diameter