On piston shoes in radial piston pumps, {TAIL ~ motors} and engines the radial load which is excerted by the pressure under {HEAD ~ the piston} onto the piston shoe is to a high rate borne by hydrostatic bearings between the piston shoe and the inner guide face of the piston stroke actuator ring 
On piston shoes in radial piston pumps , { TAIL ~ motors } and engines the radial load which is excerted by the pressure under { HEAD ~ the piston } onto the piston shoe is to a high rate borne by hydrostatic bearings between the piston shoe and the inner guide face of the piston stroke actuator ring
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD 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