there an inner and outer bearing the inner bearing is behind a oil seal which has to be removed by digging out and replacing there will be a new one in kit there is also a lh hub nut and a rh threaded nut depending on which side you r doing whentightening up hub nut dont under or overtighten do up nut so the wheel spins fairly freely let down on to ground rock tyre from side to side if there is any looseness felt rejack car and tighten up a bit more spin the wheel and repeat untill u r happy
colin bedford keys, December 2004