Air Gearmotor 0.31 HP Running Torque @ Max Pressure 49.00 in.-lb. 27 cfm Max Air Flow No Load RPM 400 Shaft Dia 1/2 In. Shaft Length 1.38 In. Face Mounting Port Size 1/8 in NPT REV Rotation Housing Material Cast Iron Stall Torque 95 in.-lb. 40 RPM @ Max Torque Gear Ratio 15 1 Max Air Pressure 80 psi Keyway Length 1.38 In. Overall Length 7.30 In. Overall Width 2.93 In. Overall Height 2.93 In. 0 Degrees to 250 Degrees F Operating Temp Range