One rotor much hotter than other 3 - cause of vibrations?

[911monty]

Originally Posted by speedyspaghetti

I replace the front wheel bearings about 500 miles ago - did not make much of a difference. Haven't checked the rear bearings with the rotor off, but the wheels do not move at all at both 9&3 and 12&6. Can you explain what you mean by rolling road test?

Again don't know what model or year you have, but the wheel bearings on some years have the speed sender as part of the bearing and need to be installed correctly.