Originally Posted by TeJay
The CV axles are probably absorbing the side thrust abuse and not the sealed bearings. The hub sealed bearings keep the axle in place laterally and vertically.
I have to disagree with that statement.
Axle CV joints are not designed to handle thrust. A CV joint and front axle half shaft, only delivers torque to the hub. If it was to handle thrust, it would effect the front wheels up and down movement. It needs to be floating between the diff and wheel. I've replaced a few and they slip right out of the diferential.
A front wheel bearing handles the steering thrust and weight. That's why they often hum in a turn, when going bad.