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Compatible with

25 mm OAV Tapered-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 

OAV-TPR25M 

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 

Stiffness 

64 N/μm 

Pitch Moment Max 

2.8 N-m 

Radial Load Max 

71.5 lbs 

Axial Load Max 

42.9 lbs 

Total Indicated Runout (TIR) 

± 1 millionths in (.025 µm) 

Axial and Radial Error Motion 

.9 μin/0.023 (µm) 

Bearings Inside Diameter (ID) 

25 mm + .013/-.00 

Bearing Outside Diameter (OD) 

70 mm + .00/-.013 

Bearing Width 

15 mm 

Weight 

.28 lb (127 g) 

Shaft Diameter  

25 mm 

Housing Bore size Light Press Fit Method 

70 mm + .013/-.00 

Flow rate 

5.66 SCFH 


recommended with

Stainless Steel Shafts

Shaft

Part # OAV25MMSHAFT

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

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