L322 Front hubs

just a quick question, is it possible to fit a front hub wrong? Silly question I know but bear with me. About 18months ago I had to have a new hub fitted as I had snapped studs on the old one, anyway the original hub was pushed into the metal dust shield at its rear so the outer lip overlapped the hub flange, however the new one isn't pressed in as far, in fact there is a 10mm gap between the front of the dust shield & the rear of the hub flange, so I'm thinking either LR have changed the hub design or my hub Has not been pushed far enough into the bearing. The only reason the question has come up is because I did a full brake refurb a couple of weeks back (new discs, calipers etc) on the drivers side (where I suspect the hub is fitted wrong) ever since I've had a scraping noise (metal to metal) which sound like rubbing on the backplate, only on left hand turns and in 1 spot when reversing, which is making me think the bearing has prematurely failed on the front race (although can't find any play) but it only scrapes with the weight on the wheels.

No, you can't fit the hub wrong, the inner side of the inner race mates to a shoulder on the stub axle.

I'd say the rubbing noise you are experiencing is merely a backplate issue or a build up of rust on the caliper carrier.

Get the wheel off, have a good old look at the disc backplate, massage it so you have an even gap all the way round.

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had it apart twice now, the rubbing only started with the new discs, there is an even gap all around the backplate, and all the fixings are ok, there is quite a big gap all around the back of the disc now, the reason i'm saying wheel bearing is because as soon as the vehicle weight is taken off the wheel the rubbing disappears, as it only does it in reverse or on left hand corners (when the vehicle weight will be higher on the right hand side) but it's not constant so almost like a flat spot on the bearing.
see the attached pic, this is how the front hub should sit into the dust shield, my hub is sitting 10mm in front of dust shield hence my question. i also don't know however if it is possible to push the dust shield further back than it needs to be. my gut feeling is the dust sheild that is rubbing the inner surface on the disc, bus as it's only under certain movements it points towards play somewhere else.

Frustrating I know,

All I can say is even if you bought the cheapest Chinesium hub/bearing they would of reverse engineered it to within 10 thousands of an inch.

The only downside of Asian bearings is premature wear.

i always buy decent bearings, they come from brit-car can't remember the make they def were not ****part but better quality with G on the end of the part number. if i get half hour tomorrow i'll crack everything off again. definitely check that bearing for play or a flat spot. hopefully there will some sort of evidence of where it's been rubbing

so to put this to bed, pulled it apart today and found checking the wheel bearing for play in several positions, i found a small amount of play in one area of the bearing (about 1/4 of the wheel circumference) it's only 1-2mm of movement, but that coupled with rust build up on the metal front bearing dust boot and a new disc that may not be quite to original spec, so i've got the grinder on the edge of the dust boot and taken it back to smooth metal. hopefully this will fix it (taking it for a test run shortly) and as for the hub not sitting in the dust boot correctly, it seems the new hubs have more metal on the back preventing them being pushed on any further, other wise the back of the studs would rub the knuckle.

Not unusual for the Chinese to add metal, they have loads.

Yes and I still have a scrape on cornering could be looking at a new wheel bearing