The abutment surface of each of the transverse seals and the corresponding contact surface each have an orientation and {HEAD ~ shape} conforming at least approximately to a spherical surface having a center at the geometric center of the one bearing disposed on a side of the respective transverse seal opposite {TAIL ~ the deflection control pressure chamber} 
The abutment surface of each of the transverse seals and the corresponding contact surface each have an orientation and { HEAD ~ shape } conforming at least approximately to a spherical surface having a center at the geometric center of the one bearing disposed on a side of the respective transverse seal opposite { TAIL ~ the deflection control pressure chamber }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL