3b thread class right-hand 2.1950" overall length 0.1900" bore diameter 24 thread quantity per inch cadmium all external/exposed metal surfaces surface treated single row, concave rollers unf thread series
3a thread class right-hand 3.3900" overall length 0.3750" bore diameter 20 thread quantity per inch grease fitting cadmium all external/exposed metal surfaces surface treated single row, concave rollers unjf thread series
3a thread class left-hand 1.7660" overall length 0.1900" bore diameter 32 thread quantity per inch cadmium all external/exposed metal surfaces surface treated single row, ball unf thread series