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S307502S307502 – 75mm ID Air Bushing

75mm ID Air Bushing

75mm ID Air Bushing

Largest of the New Way metric air bushing line, the 75mm ID size provides the scale necessary for more significant load-carrying capability on metric shafting. These porous media bushings are an inexpensive way to achieve frictionless linear motion, and compare favorably with conventional rolling element bearings across virtually every performance characteristic. They are also easy to apply, replace or change.

Size75 mm75 mm
Input Pressure60 psi0.41 MPa
Radial Load Max280 lb1245 N
Radial Stiffness0.91 lb/μin159 N/μm
Pitch Moment Max63 lb-in7.1 N-m
Pitch Stiffness275 lb-in/mil rad31 N-m/mil rad
Flowrate on Shaft23.00 - 32.00 SCFH10.8 - 15.1 NLPM
Air Gap at maximum recommended load150 micro-inches4 microns
Bushing Inside Diameter (ID)2.9528 in +.0002/-.00075.020 mm +.005/-.000
Bushing Outside Diameter (OD)3.9 in100 mm
Bushing Length3.5 in89 mm
Bushing Weight22 oz623 g
Housing Material/FinishAluminum/AnodizedAluminum/Anodized
Porous Media MaterialCarbonCarbon
Recommended Shaft Outside Diameter (OD)2.9528 in75.000 mm
Recommended Shaft Tolerance-.0004/-.0011 in (g6)-10/-29 μm (g6)
Recommended Mounting Bore Diameter3.937 in +.003/-.000100.00 mm +.08/-.00
Pressure Port ThreadsM5 x 0.8M5 x 0.8
Maximum Allowable Pressure Supply100 psi0.689 MPa
Bushing ID Speed13,250 rpm13,250 rpm
Maximum Speed164.04 ft/s50 m/s
Common Shaft MaterialsAnodized aluminum, stainless steel, nickel plated steel, ceramics, glassAnodized aluminum, stainless steel, nickel plated steel, ceramics, glass


Mounting Details for 75mm ID Air Bushing

Stainless Steel Shaft
S90S019-xxx – 75mm Diameter

End Mounts
No Shaft End Mount Available

Mounting Blocks
S8075P02 – 75mm I.D.

Replacement “O” Rings for Bushings
S90RG2-154 – 75mm

Air Fittings
All M5 Thread Size Air Fittings

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