 ##  [Shaft Collar](/shaft-collar) 

  ##  [Shaft Collar](https://engineering.quantumdictionary.io/shaft-collar-0) 

  
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**Engineering &amp; Applied Technologies Dictionary**

 
Definition

A ring‑shaped component that clamps or fastens around a shaft to locate, retain, or act as a mechanical stop for other parts; it secures axial position by friction, a set screw, clamping screws, or press fit and is removable unless specified as permanent.