The flanges 13 and the hollow tube 14 can be made as a one piece and {HEAD ~ the casing} 30 is mounted to the support unit 10 and one positioning bolt 41 extends through the collar 40 and is connected to {TAIL ~ the axle} 21 
The flanges 13 and the hollow tube 14 can be made as a one piece and { HEAD ~ the casing } 30 is mounted to the support unit 10 and one positioning bolt 41 extends through the collar 40 and is connected to { TAIL ~ the axle } 21
OTH OTH OTH OTH 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 TAIL TAIL TAIL TAIL TAIL TAIL OTH