3a thread class right-hand 2.4375" overall length 0.2495" bore diameter 24 thread quantity per inch cadmium surface treated ball type unf thread series
3b thread class right-hand 1.7500" overall length 0.1895" bore diameter 28 thread quantity per inch cadmium surface treated ball type unf thread series
3a thread class right-hand 1.9370" overall length 0.2495" bore diameter 24 thread quantity per inch chromium inner member surface treated ball type unf thread series
14.0mm overall width 20.0mm bore diameter 250a single row, non-locating, two lip inner ring, cylindrical outer ring with two roller retainment rings on outer, non-separable