{HEAD ~ The clearance} between both ends of {TAIL ~ the outer ring} 152 is shifted from that between both ends of the inner ring 153 by 180° 
{ HEAD ~ The clearance } between both ends of { TAIL ~ the outer ring } 152 is shifted from that between both ends of the inner ring 153 by 180 °
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH