A new technique to make graphite air bearings without precision tooling. I show how to make spherical, cylindrical, and flat bearings that are also vacuum pre-loaded, meaning the bearing is captive.

David Preiss' excellent video:    • DIY Air Bearings  
10mm thick graphite sheet: https://www.amazon.com/Graphite-Smoot...
2" ball bearing: https://www.amazon.com/Inch-Chrome-St...
Small 10-32 hose barb fitting: https://www.mcmaster.com/5047k11
Linear bearing shaft: https://www.mcmaster.com/6061k35
Fusion360 CAD files: https://drive.google.com/drive/folder...
12x18 granite surface plate: https://www.amazon.com/gp/product/B01...

Applied Science on Patreon:   / appliedscience