New answers tagged hub
"Ball bearings depend on the continuous presence of a very thin -millionths of an inch - film of lubricant between balls and races, and between the cage, bearing rings, and balls." Pitting happen very often when user over-tighten the hub, or forget to re-adjust the hub between winter/summer (depends on where you live, in Scotland I need to give a proper ...
I went with the original integrated covers on my hubs without the pressed on caps on the cones. To remove the caps from the cones I just used a sock to sit on the dust cap and give it a good whack with a hammer and it came right off. If my new cones ever do come with a large enough cover then I would probably go with that.
You could also be getting some play in the fork (assuming you have a suspension fork). To verify this, put your finger where the stanchion meets the lowers of the fork, lock the front brake and rock the bike back and forth. Every fork I've had has just a little play there. It's not likely that the play in your cassette is related to your front wheel. ...
Unless you have a lathe the tolerances are going to be too high for you to be able to to do an acceptable job here. Plus, I believe that the cone is surface hardened, after you grind through that the underlying material will be too soft. If you visit your local bike shop they should be able to match it up.
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