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