I don't have the unitized hubs. My experience with them has been quite good. The only failures I've seen were on tractors that were converter to dump trucks & they all have over 800K miles. If memory serves me, Meritor came out with a replacement bearing kit as the whole assy was quite pricey
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Gordon Hummel
1991 41.5' #266
8v92
2009 Pontiac Vibe GT Toad
Fulltime on the road
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