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