wherein said slide faces form medial portions which contain said hydrostatic bearings and are substantially {HEAD ~ part} cylindrical with {TAIL ~ said first radius} around said first axis, 
cylindrical with
wherein said slide faces form medial portions which contain said hydrostatic bearings and are substantially { HEAD ~ part } cylindrical with { TAIL ~ said first radius } around said first axis ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH