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75 mm ID OAV ® Roller Air Bearing


Title

Specification

Size 

75 mm ID 

Part Number  

OAVRL75m 

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  

40 psi - 100 max psi 

Pressure Port Threads 

M5 x 0.8 

Lifetime 

Infinite 

Radial Load Max 

555.1 N (124.8 lbs) 

Axial Load Max 

1156.5 N (260.0 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 

1.1 μin/(0.027 µm) 

Bearing Inside Diameter (ID) 

75 mm + .01/-.00 

Bearing Outside Diameter (OD) 

140 mm + .0000/-.01 

Bearing Width 

50.8 mm 

Weight 

2.9 lbs 

Shaft Diameter 

75 mm 

Housing Bore size Light Press Fit Method 

139.98 mm + .02/-.00 

Flow rate 

26 SCFH 


We now offer roller air bearings exclusively in metric sizes.
Inch-sized rollers remain available upon request for legacy applications or specific requirements.
Please contact us for assistance.

Compatibile con

stainless steel shaft

Shaft

Part # OAV75MMSHAFT

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

MB13RL_edited.png

Mounting Block

Part # MB75RL

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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