​​Legacy in Motion. Precision Without Friction.
OAV is a global leader in frictionless motion systems, setting the benchmark for ultra-precision engineering.
Through advanced air-bearing technologies, we deliver perfectly smooth, contact-free motion with uncompromising accuracy, stability, and long-term reliability.
Motorized linear stages with integrated porous air bearing guidance. Externally pressurized air films eliminate friction, wear, and stick-slip. Factory-aligned motors, bearings, and feedback systems. High straightness, stiffness, and repeatable positioning accuracy.
Opposed air films combined with controlled vacuum preload.
Preload increases stiffness and suppresses dynamic lift variation.
Improved load capacity and positional stability.
Used in vibration-sensitive and ultra-precision systems.
Air bearing elements designed as independent, installable modules.
Divides motion systems into discrete functional components.
Modules can be configured across different systems and geometries.
Enables flexible layouts, scalability, and custom architectures.
Coordinated motion across multiple degrees of freedom.
Stacked linear and rotary air bearing axes in a unified structure.
Supports XY, XYZ, XYθ, XYZθ, and custom kinematic architectures.
High system stiffness with smooth, coupled multi-axis motion.
Fully integrated air bearings operating on a three-way frictionless surface. Externally pressurized air films provide axial and radial constraints. Designed for standard-size shafting with maximized stiffness. Delivers ultra-precise, non-contact thrust motion.
Air bearing pillow blocks for precision shaft guidance, using a rigid shaft-supported rail design to minimize deflection and maintain straightness over long, precision travel.
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Rotary air bearings with a stationary bore and rotating outer ring, delivering non-contact motion with up to 0.025 µm rotational accuracy in a robust, drop-in bearing form.
Air bearings designed for combined radial and axial load support. Consist of an inner assembly and an outer cage with tapered geometry. Typically mounted in opposing pairs on a shaft for stiffness and alignment. Air supplied through shaft cross-holes or outer cage inlets for non-contact motion.
Direct-drive rotary stages with air bearing radial and axial support.
Non-contact air films enable smooth velocity and zero cogging effects. High load capacity with low angular error motion.
Designed for continuous rotation and precision indexing.
Flat rectangular air bearings providing non-contact axial constraint. Externally pressurized air films deliver smooth, stable motion.
Optimized for rotary applications requiring axial support. Available in standard metric sizes or custom dimensions.
Preloaded air bearings supporting both horizontal and vertical load axes. Opposing externally pressurized air films establish controlled preload.
Uniform air distribution maintains a constant, ideal operating gap.
Delivers exceptional stiffness, stability, and precision under combined loads.
Air bearings designed for multi-axis and angular motion.
Precision spherical elements operate against a concave porous surface. Externally pressurized air films provide stable, non-contact support. Delivers high accuracy, durability, and control in demanding environments.
Externally pressurized air bearings for precision shaft guidance.
Porous air films provide uniform radial support. Zero mechanical contact with low hysteresis. Used for precision linear and rotary shaft applications.
Air-supported rollers for continuous web handling.
Creates a stable air cushion between roller and material.
Eliminates friction, surface damage, and contamination.
Used for delicate films and high-value webs.
Self-acting air bearings for high-speed machinery, using hydrodynamic air films to eliminate external air supply while delivering stable, non-linear performance at extreme speeds.
Linear air bearing guides for long-travel precision motion. Uniform air pressure distribution ensures straightness and smoothness. High stiffness with no rolling or sliding elements. Designed for integration into custom motion stages.
Planar air bearings designed to operate on flat, nonporous surfaces. Compatible with granite, aluminum, glass, and ceramic substrates. Externally pressurized air films provide smooth, non-contact support. Available in multiple sizes for flexible system integration.
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Air bearing elements secured using a thin epoxy bond layer.
Minimal bond thickness ensures accurate positioning and stiffness.
Provides stable, permanent attachment without mechanical fasteners. Used where compact integration and environmental robustness are required.
Thrust air bushings for extreme temperatures with integrated thermal control, maintaining stable geometry, stiffness, and accuracy in thermally critical precision applications.
Aerospace-quality fittings, shafts, tubing, O-rings, blocks, and plates.
Designed to complete and support air bearing assemblies.
Compatible with standard and custom system configurations.
Custom components available to meet specific requirements.
OAV Air Bearings is trusted by the most prestigious institutions and labs around the world.
