What would cause my barely used green bearing to do this?

every one of those used a ball bearing on the axle. Not one used a tapered bearing.

Sounds like you blood pressure’s up, Boomer. Better settle down.

I would imagine the bearings are a consumable item in circle track and I helped a buddy in high school on his IMCA team. Dirt track cars don’t stick in the corners. Loss of traction is a constant and that is the fuse.