Rear wheel squealing

[tonythetiger]

and on the bearing, I have had two fail through the years, both times a rear. The first one was immediate, constant wailing noise, varied with speed. I knew what it was, waited three days to get the bearing and it was fixed in a day.
The next made the same noise...sometimes. it went away several times, then returned. I already had a spare bearing so we swapped it, sure 'nuff...bad bearing that you could feel in your hand, but no wobble and intermittent sound.
Go figure. varying noise with speed would be an indicator of either fault.
Point is, if you eliminate the pebble theory, that is your next likely spot, given the limited info we have here.