3a thread class right-hand 0.3440" thread length 1.0190" overall length 28 thread quantity per inch no cotter pin hole; lube fitting threaded end of stud cam follower unjf thread series
3b thread class right-hand 1.8170" overall length 0.2495" bore diameter 28 thread quantity per inch bearing has a polytetrafluoroethylene liner ball type unf thread series