Hello, I think I have a bent axle on my dual axle trailer because on the rear tires, the insides are wearing faster than the outsides. So I've been calling a few places locally to get it done and ...
Replacement is the way to go. While you are at it, upgrade to the next size up weight rating.
Your present axle is telling you something... It was overloaded. So you need to upgrade the axle or off load some weight... Since you are in it this far, an upgrade is peanuts.