Outer circumference faces {TAIL ~ 11a} and {HEAD ~ 12a} of respective bearing cases 11 and 12 may be utilized as rotational supports for face plates 13 and 14, respectively 
Outer circumference faces { TAIL ~ 11a } and { HEAD ~ 12a } of respective bearing cases 11 and 12 may be utilized as rotational supports for face plates 13 and 14 , respectively
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH