The eccentric 28 includes a peripheral thrust collar 30 and by means of journal bearings 32 and bearing elements 34 forming part of {HEAD ~ a thrust bearing} together with {TAIL ~ the thrust collar} 30 
The eccentric 28 includes a peripheral thrust collar 30 and by means of journal bearings 32 and bearing elements 34 forming part of { HEAD ~ a thrust bearing } together with { TAIL ~ the thrust collar } 30
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 REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH