John,
     I never used the welding method. I always used a die grinder. You=20
would cut two slits about 180 degrees apart and then use a cold chisel=20
to snap the the outer bearing cup into two pieces. You had to first=20
remover the inner cup and the ball bearings.
     Most of the knuckles are now made out of HS steel and I would be=20
hesiant about using the welding method. You could remove the special=20
heat treating and weaken the knuckle.
     90+% of the failures of sealed wheel bearing assemblies were due to=20
a previous impact to the tire and wheel assembly. Usually from being=20
slid in to a curb.
Thanks,
rich!

On 7/24/2014 7:55 PM, John Gardner wrote:
> Once you figure out the welding technique it's pretty easy.
>
> The exception is where welding heat is unacceptable.
>
> In that case a die-grinder/abrasive cut-off wheel will usually
>
> get it done...

--=20
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