Air Motor Output Power @ Maximum Speed 0.9 hp Maximum Torque 19.5 in-lb No Load Speed 3 000 RPM Maximum Flow Rate 30 cfm Shaft Diameter 1/2 in Shaft Length 1 1/8 in Mount Type Hub Inlet Size 1/4 in Air Inlet Type NPT Rotation CCW Housing Material Cast Iron Shaft Material Grade 197-223 BHN Bearing Protection Not Applicable Maximum Operating Pressure 100 psi Includes Muffler Keyway Width Not Applicable Weight 4.2 lb Housing Material Grade G2500 Housing Material Finish Painted