2a thread class right-hand 0.6250" thread length 2.0312" overall length 16 thread quantity per inch means for relubrication cam follower unf thread series
22.0mm overall width 80.0mm bore diameter 254a single row, one-direction locating, two lip inner ring, one lip outer ring with one roller retainment ring on outer, non-separable
12.00mm overall width 25.00mm bore diameter packed 1/3 to 1/2 full of lubricant; stablized for operation from minus 65 deg f to plus 250 deg f non-loading groove, non-separable