When it comes to Cartridge hub bearings, I find it's cheap and easy to replace them.

I just match the manufacturer's code number, then pop out the old, and pop in the new.
If they're rusted in, I just heat the hub a little and the alloy expands faster than the bearing case.


http://www.speedgoat.com/Catalog.asp...FYeo4Aod3xUFlw