This trailer tire wear pattern...

Did you raise the airpressure?

 

Are you saying to inflate tires to 120 psi? Most tires I have checked on the sidewall have a rating of 110 psi (cold state). I have seen some steers with 120 psi (cold state), but they’re rare. Some people inflate at 110 psi, but I’d say they run the risk of developing problems due to possible over-inflation if tires were inflated in the north and then they head to southern states. (Image below).

 

See reply # 24.....also # 21

 

I read your comments, but I was replying about the 120 psi. I, personally, wouldn’t put 120 psi on a 110 max (cold) tire even if the tire was carrying the max load listed on the sidewall. The tire will probably hold, but may very well develop over-inflation tire wear (image below). Heck, I wouldn’t even put 110 psi if I drive regularly to the north and south states.

 

It was common practice back in the day to run 110-120,a lot of Drivers were running heavy and it kept the DOT from noticing.Nowadays it's not very practical and with the laws the way they are not very smart.I'm not talking about 2 or 3k,more like10 to 20,I hate to say it,but it was profitable.I never noticed any appreciable wear and actually it most likely saved wear.That being said, when I last drove all trailers had wet hubs, except for some heavy haul trailers which were packed with grease.In any case it's still the same,burnt smell equals burnt bearings,an even easier way to tell is feel the hub for abnormal heat,it's a dead giveaway.

 

Measure the distance between wheel edges on front and rear axle on each side, if measurements differ you need a wheel alignment for sure.

 

I recently found a chewed up bearing on steer while changing a seal. I had them changed out 3 yrs ago. Only outer bearing was damaged, could have been a bad bearing, I doubt it ( Timken bearings). The wear and scoring on race looks like it was too tight. Never felt anything more than warm,as I check that regularly