Vehicle & Technical > Discovery

hub bearing removal!!!!

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POTASH:
mine did the same, i used a big hub puller tightened it up, then kept smacking the back of the hub with a lumphammer but put a piece of wood on to protect it, i ended up putting a another stub axle on :(

Range Rover Blues:
If it's like the picture above IE the inner bearing then all is not lost, you can pull the hub away leaving the oil seal and inner half of one bearing on the stub axle.

If the bearing is stuck because it's seized then chances are it's spun on the stub axle and ruined it anyway.  If it's stuck due to rust then careful polishing will save the stub and also help the oil seal do it's job (it perhaps hasn't been doing so of the bearing is rusty).

If this is the case then put some eye gogs on and vent you spleen as they say, let rip, let it have it.  Smashing the old bearing though dangerous just makes me feel better.  You can grind it off too BTW.

If it's the outer bearing then I guess you can't even get the hub off.  Oh dear, that's much less common (the outer bearing tends to float a little which stops it sticking) and much much harder to shift.
I'm told that electric arc welding will crystalise the bearing metal and make it more brittle, that may help you.

Alternatively if you can get inside and smash up the roller bearing cage then you could perhaps manipulate the rollers to the bottom half and remove them, deconstructing the bearing if you like.  This would allow you to pull the hub over the inner race, then proceed as above.


I have found in the past that SKF bearings are far harder to damage with a chisel than hong-kong-fuey ones.  Just a though :-k

Les Henson:
Remove the bearing rollers and bearing cage - the hub will then come off - leaving the track stuck to the axle. With the bearing rollers out of the way - the inner track is small enough to pass through the outer one. The more worn the bearing are - the easier it is to do this. Otherwise you will have to break the lip off in one place in order for the rollers to come out.


Les.

crazymac:
The last time I had this I went through hell trying to get the bearing off! The stub axle was marked, but I decided it would be OK with enough grease :doh: I ended up doing the job again a month later and replacing the stub axle! Personally, for the price of the sub axle! Thats what I'd do.

gtomo2:
Had one weld its self to ,y front stub axle gave up and bought a new stub axle. much easyer then trying to get the old one off

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