Bad wheel bearing?

Been lurking for a while. Recently bought a 2010 DC TRD OR in silver. Great truck so far handles the trails well here in the northeast, very comfortable, and great utility. I installed a 2.5" lift, tinted the windows, installed an Amp Research cargo extender, previous owner installed 16" black rims and 30"( small i know ) Goodyear Silent Armour tires new. I recently plastic dipped the emblems as well. Going for the silver and black look. Anyways had the driver side diff bearing issue many have once I lifted it and ordered the bushing from East Coast Gear. Installed it and vibes are gone but now I have a low speed hum noise from that wheel like a wheel bearing on its way out. No vibrations, jacked truck up and no play on wheel, seems to be more noticeable at lower speeds. Truck is still under warranty I believe so should I take it to dealer or just replace he bearing myself and see if that's the issue? I have no drive problems just a hum and a feeling in the driverside floor board. In 4wheel drive I haven't noticed but I am traveling slow so not fast enough to notice. Any input? Thanks.

 

Just curious what kind of 2.5 " lift you running? I've got 5100s at 2.5 inch and noticed this weekend that driver side front tire is wearing unevenly. Going for alignment and balance/ rotate today. I don't have vibes but hum of mudgrips.

 

Daystar spacer lift, I am on a budget. I don't wheel hardcore so it works decent. Great bang for your buck. $150.