At least the outer race has a radially inward pointing bearing flange, {HEAD ~ which outer race bearing flange} is provided with {TAIL ~ means} for fixing a wheel thereto 
is provided with
At least the outer race has a radially inward pointing bearing flange , { HEAD ~ which outer race bearing flange } is provided with { TAIL ~ means } for fixing a wheel thereto
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH