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25 mm ID OAV ® Roller Air Bearing

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

Specification

Size 

25 mm ID 

Part Number  

OAVRL25M 

Housing Material/Finish  

7075 Aircraft Quality Aluminum/Mil Spec Hard Anodize 

Side Material/Finish  

7075 Aircraft Quality Aluminum/Mil Spec Hard Anodize 

Porous Material 

Carbon 

Input Pressure 

20 – 100 PSI (0.14 – 0.69 MPa)

Pressure Port THreads 

M5 x 0.8 

Lifetime 

Infinite 

Radial Load Max 

127.2 N (28.6 lbs) 

Axial Load Max 

689.5 N (155 lbs) 

Standard Total Indicated Runout (TIR) 

.0002 in - .0005 in (5 µm - 13 µm)

Ultra-Precision Total Indicated Runout (TIR)

± 9 millionths in (0.25 µm)

Axial and Radial Error Motion 

.9 μin/(0.023 µm) 

Bearings Inside Diameter (ID)  

25 mm + .01/-.00 

Bearings Outside Diameter (OD) 

90 mm + .00/-.01 

Bearing Width  

34.9 mm 

Weight 

1.1 lb 

Shaft Diameter  

25 mm 

Housing Bore size Light Press Fit Method 

89.98 mm + .02/-.00 

Flow Rate 

15.5 SCFH 


recommended with

stainless steel shaft

Shaft

Part # OAV25MMSHAFT

Our standard shafts have a surface finish better than 16 RMS and .0007 tolerance.

Roller air bearing mounting block

Mounting Block

Part # MB25RL

Aluminum Mounting Blocks for imperial and metric frictionless air bushings. Made from aircraft quality aluminum and anodized with Mil spec. for ultimate quality.

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