Each of the support bearings has a respective geometric center, while each of the transverse seals has an annular abutment surface engaging {HEAD ~ a respective annular contact surface} of {TAIL ~ the crosshead} 
of
Each of the support bearings has a respective geometric center , while each of the transverse seals has an annular abutment surface engaging { HEAD ~ a respective annular contact surface } of { TAIL ~ the crosshead }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL