hello, recently i fried a rear outer wheel bearing and destroying the hub on my dually. after ordering a new hub from dodge and all new bearings and races from orielly's, the inner bearings are wrong. the new bearings and races are much larger than my stock ones..but, this is the only ones that the parts store show to fit this truck..it is a 14 bolt rear like it should have, my question is, could the rear have been swapped from a newer model? or a single rear wheel truck? i thought the singles were totally different from duals.