Brand new Shaft Diameter: Approx. 5mm Body Length: Approx. 66mm Front Steps Diameter: Approx. 17.4mm Former High level: Approx. 4.7mm Body Diameter: Approx. 42mm Motor Overall Length: Approx. 98mm Diagonal Installation Pitch: Approx. 28.8mm Mounting Hole size: M4 Mounting Hole: 2 Rated Voltage: 12-24V Rated Current: 0.32 A Rated Speed: 3500-10000 RPM (15000 RPM MAX) Rated Power: 60W Features: There is over-heat protection to protect the motor if the temperature of the motor over safe temperature. Cooling fan design can cool dwon fast. RPM is adjustable(3500-10000). There is a ball bearing at the front. Package included: 1 x Large Torque Motor