20 mm Frictionless Air Bushing
Performance Note: Load, stiffness, flow rate, and moment values are based on testing at 60 PSI supply pressure. Actual performance may vary depending on shaft quality, mounting method, air supply stability, and application conditions.
Title | Specifications |
Size | 20 mm ID |
Part Number | OAV020MB |
Housing Material/ Finish | 7075 Aircraft Quality Aluminum/Mil Spec Hard Anodize |
Input Pressure | 20 – 100 PSI (0.14 – 0.69 MPa) |
Porous Material | Carbon |
Pressure Port Threads | M3 x 0.5 |
Lifetime | Infinite |
Radial Load Max | 160 N (36.0 lbs) |
Radial Stiffness | 23 N/μm (0.13 lbs/μin) |
Pitch Moment Max | 1.1 N-m (10 lbs-in) |
Bushing Inside Diameter (ID) | 20.018 mm + .005/-.000 |
Bushing Outside Diameter (OD) | 31.75 mm + .13/-.00 |
Bushing Length | 50.80 mm |
Bushing Weight | 49.1 g |
Recommended Shaft Outside Diameter (OD) | 20.00 mm + .00/-.02 (g6) |
Flow Rate | 9.42 SCFH |
Housing Bore Size O- Ring Method | 32.130 mm + .000/-.127 |
Housing Bore Size Light Press Fit Method | 31.780 mm + .000/-.025 |
recommended with
Shaft
Part # OAV20MMSHAFT
Our standard shafts have a surface finish better than 16 RMS and .0007 tolerance.
O-Ring
Part # OAV0750RG
The O-Rings meet MIL-R-83248C and ASTM D2000/SAE J200. They offer excellent resistance to temperature ranges from -15°F to +400°F. A75 hardness. Color is black.
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Mounting Block
Part # MBi0750
Aluminum Mounting Blocks for imperial and metric frictionless air bushings. Made from aircraft quality aluminum and anodized with Mil spec. for ultimate quality.