2a thread class right-hand 0.5000" thread length 1.6562" overall length 20 thread quantity per inch hexagonal shaped hole in face of stud; stud drilled oxide all external/exposed metal surfaces surface treated cam follower unf thread series
0.3125" bore diameter heat stabilized for operation at 250 deg f; 80 pct full of specified lubricant; 0.0002 in. min to 0.0005 in. max radial play cadmium ball surface treated double row