air bushings

OAV Air Bushings deliver frictionless, high-precision motion by using advanced porous graphite air film technology. Designed to operate on standard or custom precision shafts, they provide a non-contact alternative to traditional mechanical bushings for high-performance motion systems.Why Choose OAV Air Bushings?

Key Benefits

Frictionless operation using a pressurized air film
High load capacity with excellent stiffness and stability
Zero wear design for long service life and minimal maintenance
Sub-micron precision and repeatability
Clean, lubricant-free operation for contamination-sensitive environments

Features

Compatible with metric and imperial shaft systems
Designed for integration into existing mechanical designs
High-speed operation with stable performance
Suitable for aerospace, semiconductor, medical, metrology, and automation systems

Technical Overview

High stiffness load-bearing design
Sub-micron motion accuracy
Supports high-speed rotational and linear applications
Lightweight, durable aerospace-grade materials

Both Imperial (English) and Metric sizes are available

Air Bushings Specifications and Design Guide

Air Bushing Installation Guide

6 mm Frictionless Air Bushing

Part # OAV006MB

6 mm ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV006MB

8 mm Frictionless Air Bushing

Part # OAV008MB

8 mm ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV008MB

10 mm Frictionless Air Bushing

Part # OAV010MB

10 mm ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV010MB

13 mm Frictionless Air Bushing

Part # OAV013MB

13 mm ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV013MB

20 mm Frictionless Air Bushing

Part # OAV020MB

20 mm ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV020MB

25 mm Frictionless Air Bushing

Part # OAV025MB

25 mm ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV025MB

40 mm Frictionless Air Bushing

Part # OAV040MB

40 mm ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV040MB

50 mm Frictionless Air Bushing

Part # OAV050MB

50 mm ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV050MB

75 mm Frictionless Air Bushing

Part # OAV075MB

75 mm ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV075MB

90 mm Frictionless Air Bushing

Part # OAV090MB

90 mm ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV090MB

0.250 Inch Frictionless Air Bushing

Part # OAV0250IB

0.250 inch ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV0250IB

0.312 Inch Frictionless Air Bushing

Part # OAV0312IB

0.312 inch ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV0312IB

0.375 Inch Frictionless Air Bushing

Part # OAV0375IB

0.375 inch ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV0375IB

0.500 Inch Frictionless Air Bushing

Part # OAV0500IB

0.500 inch ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV0500IB

0.750 Inch Frictionless Air Bushing

Part # OAV0750IB

0.750 inch ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV0750IB

1.000 Inch Frictionless Air Bushing

Part # OAV1000IB

1.000 inch ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV1000IB

1.500 Inch Frictionless Air Bushing

Part # OAV1500IB

1.500 inch ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV1500IB

2.000 Inch Frictionless Air Bushing

Part # OAV2000IB

2.000 inch ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV2000IB

3.000 Inch Frictionless Air Bushing

Part # OAV3000IB

3.000 inch ID porous graphite air bushing. Used in spindle and linear applications. Manufactured with aerospace quality material.

Part # OAV3000IB

Custom Design

We provide designs that are integrated into your product and we can quickly develop a design based on the application or specific requirements. We provide detailed drawings and 3-D CAD models, can analysis complex issues associated with application from nanometer accuracy positioning to standard calculations.