Since {HEAD ~ the collar} is made of {TAIL ~ a resin}, the rigidity thereof is lower than that of a metallic sleeve, and the coefficient of linear expansion can be close to that of the sleeve so that the sleeve can be assembled and maintained with substantially no change in the bore precision thereof 
is made of
Since { HEAD ~ the collar } is made of { TAIL ~ a resin } , the rigidity thereof is lower than that of a metallic sleeve , and the coefficient of linear expansion can be close to that of the sleeve so that the sleeve can be assembled and maintained with substantially no change in the bore precision thereof
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH