The bearing system has a significant influence on the reliability of a fan. Optimized designs exist for the specific applications. The article gives recommendations for selection.

Fans for electronics cooling can be found in various applications. Depending on the application, very different demands are placed on this component. Operational reliability is becoming increasingly important.

At this point, the strong influence of the bearing system on the reliability of the fan is undisputed.

The reduction in the size of the devices has led to ever smaller and, above all, flatter fans. In addition, fans are now increasingly used in mobile apparatus, which requires new properties that were previously less important.

With different designs, optimum solutions are offered for practically every application. The following article presents the most important bearing designs for fans and explains the advantages and disadvantages …