Shaft alignment of rotating equipment is an essential part of machinery maintenance. This machine shaft alignment video presents the concepts of OFFSET and ANGULARITY. It is the second alignment video in a series from Aceom — http://www.acoem.com — Subsequent videos in this series will present alignment measurement and alignment correction concepts. If you need to learn how to perform precision shaft alignments, subscribe to the Acoem channel for alerts when new alignment videos are posted.