I have no recent experience with aftermarket axles so hopefully someone else will chime in. as far as Bearings I would suggest you do your research. I have had horrible luck with Chinese/Mexican made bearings and it is hard to find anything else. Even company's like Moog which is a product I sold in the past and was of high quality outsources bearing manufacture to other countries but if you look at there website they say they are an American company but fail to mention most of there products are made elsewhere. I have had to redo jobs on personal vehicles because of short term failure and while they did warrantee the product it was a high labor job so not worth it in the long run. By the way once a rotor glows red like you described the bearings should be replaced even if still tight or they can fail in the future.