What Is an Air Bearing?

An air bearing is a non-contact, frictionless bearing system that uses a thin layer of pressurized gas (mostly air). The air acts as the lubricant, creating an evenly distributed gas film between the surface and the substrate. The result? No friction, no maintenance, ultra-precision, and clean motion with higher stiffness.

Why You Should Consider Air Bearings

OAV Air Bearing technology generates an evenly distributed film of gas between the surface and the substrate. Due to low gas viscosity, there is no friction losses by viscous shearing, and mechanical contact is avoided. There is no contact between the surface, and a no slip-stick phenomenon.

Air bearing coefficient of friction is a function of air shear from motion, not from surface contact. Therefore at zero velocity, there would be zero friction, making infinite motion resolution theoretically possible. 

OAV Air Bearings have zero friction and an indefinite operating life. However, we use the coefficient of friction .00008 in log-scale due to the contribution from air molecules and gravitation.

Air bearings are contaminant-free. Clean environments generate virtually no particulates that can become airborne. ​Thus, they are ideal for many cleanroom applications.

OAV Air Bearings have high speed nano-precision, superior position accuracy and repeatability, and no heat generation at high speeds.

OAV Air Bearings
Lockheed Martin
princeton university
Space X
Massachusetts Institute of Technology
L3 technologies

OAV Air Bearings is trusted by the most prestigious institutions and labs around the world.