Uploaded December 2019 | Updated September 2026, 2 weeks ago

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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: youtube.com/watch?v=vuzoEe_ykmM
10mm thick graphite sheet: amazon.com/Graphite-Smooth-Polished-Surface-200MMx100MMx10MM/dp/B07S2RDQ6P
2" ball bearing: amazon.com/Inch-Chrome-Steel-Bearing-Ball/dp/B0074VCP8S
Small 10-32 hose barb fitting: mcmaster.com/5047k11
Linear bearing shaft: mcmaster.com/6061k35
Fusion360 CAD files: drive.google.com/drive/folders/1fj6zJ9GlZ07WB6jVrltPNsvqsU06qTAP?usp=sharing
12x18 granite surface plate: amazon.com/gp/product/B01LWBEEH8

Applied Science on Patreon: patreon.com/AppliedScience