2.6875" overall width 75.0mm bore diameter 250c single row, non-locating, cylindrical inner ring, cylindrical outer ring with two roller retainment rings on outer, separable
1.5354" overall width 3.1464" bore diameter one blind hole in od of outer ring 0.4375 in. dia 0.1600 in. deep, inner ring extends one side 254b single row, one-direction locating, one lip inner ring, one lip outer ring with one roller retainment ring on outer, separable
49.0mm overall width 105.0mm bore diameter one blind hole in center of outer ring 252a single row, non-locating, two lip inner ring, cylindrical outer ring, separable