top of page

75 mm OAV X-spin Tapered-Roller air bearing


Title

Specification

Size 

75 mm ID 

Part Number 

OAV-TPR75MX 

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 

Through Shaft Cross-Hole 

Radial Stiffness 

0.96 lb/μ in (168 N/μ m) 

Pitch Moment Max 

59.3 lbs-in (6.7 N-m) 

Radial Load Max 

324 lbs (1441.8 N) 

Axial Load Max 

194.4 lbs (865.1 N) 

Total Indicated Runout (TIR) 

± 1 millionths in (.025 µm) 

Axial and Radial Error Motion 

.9 μin / 0.023 (µm) 

Bearings Inside Diameter (ID) 

75 mm + .013/-.00 

Bearing Outside Diameter (OD) 

148 mm + .00/-.013 

Bearing Width 

29 mm 

Weight 

2.02 lb (916 g) 

Shaft Diameter  

75 mm 

Housing Bore size Light Press Fit Method 

148 mm + .013/-.00 

Flow rate 

25.6 SCFH 


bottom of page