Are you talking about the bearing race. Or the cone part of the bearing that goes into the differential. Have put weld in that area to build it up. A machine shop could do that for you. Do you have a shop in your area that dose fame and axles. I have one in a town close to me and they do that kind of work also. I would look around and see if that is option. Don't think you need to buy another rear end. Should not cost that much to have your's fixed. Just my two cents. I am also running Green bearing's in my car. That could be the answer like droptop stated.