As shown, shaft bearing 72 includes {TAIL ~ channels} 82 along {HEAD ~ the interior surface} thereof between which bearing surfaces 84 for shaft 66 are located 
As shown , shaft bearing 72 includes { TAIL ~ channels } 82 along { HEAD ~ the interior surface } thereof between which bearing surfaces 84 for shaft 66 are located
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH