Balancing of rotating equipment is an essential part of machinery maintenance. This Concepts of Balancing video presents the most basic concept of balancing, defining rotational unbalance. This video is the first in a series from Acoem — http://www.acoem.us Subsequent videos in this series will present balancing measurement and correction concepts. If you need to learn more about balancing, subscribe to the Acoem USA channel for alerts when new Concepts of Balancing videos are posted.