Rotary Air Bearings / Air Bearing Tables
These high-performance rotary air bearings are designed for accuracy, precision, and ease of use. The air bearing rotation tables can be used in any orientation and are easy to integrate with motors and encoders for complete positioning solutions.
PI Nelson Air uses these rotary air bearings with simple O-ring belt drives for ultra-precision grinding and inspection in house. Standard sizes cover table diameters from 50 mm to 300 mm, with options for encoders, mounting bases, flanges, and tip/tilt tabletops.


Features
Mechanical Performance
- Table diameters from 50 mm to 300 mm
- 490 kg max payload
- Radial/axial error motion < 200 nm
- Can be mounted vertically or horizontally
Integration Options
- Optional encoder available for position feedback
- Optional tip/tilt tabletops
- Mounting bases and flanges available
- Easy integration with motors and encoders
Key Specifications

Note: Capacities listed assume supply pressure of 80 psi. Please contact PI if alternate pressures are required.
Rotary Air Bearing and Air Bearing Tables Overview
Need a rotary air bearing with special dimensions, load capacity, aperture, motorization, or metrology requirements? Contact PI Nelson Air to discuss a standard or custom RT Series solution.
