Eccentric rotor
Eccentricity occurs when the center of rotation is offset from the geometric centerline of a disc, gear, bearing, motor armature, or any other rotor. The maximum amplitude occurs at 1X eccentric component in the direction of the center of the two rotors.
![exctentricky-rotor](https://vibroguard.cz/wp-content/uploads/2022/12/exctentricky-rotor.jpg)