0.5110" overall width 1.1811" bore diameter cadmium plate all exposed surface per qq-p-416, type 1 class 1; 80 pct full of specified grease non-loading groove, non-separable
9.00mm overall width 30.00mm bore diameter stabilized for operation from M65 deg f to P250 deg f, c scale 58 min, 61 max rockwell hardness rings 40a 4 point ball contact, solid inner