The disc is mounted to the shaft by a bearing which permits motion of the disc in rotation about the shaft axis and about {HEAD ~ axes} transverse to {TAIL ~ the shaft axis} 
transverse to
The disc is mounted to the shaft by a bearing which permits motion of the disc in rotation about the shaft axis and about { HEAD ~ axes } transverse to { TAIL ~ the shaft axis }
OTH 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 REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL