This is the front part of the motor's ball bearing, copper set with rear end, 5 groups of windings, at a voltage of 24V, torque, low noise. Model: 775 Shaft diameter: 5mm Shaft length: 17mm Body length: 667mm Front step diameter: 174mm Former high level: 47mm Body diameter: 42mm Total motor length: 98mm Diagonal installation distance: 288mm Mounting hole size: Mounting hole: 2 Cooling fan: Yes Rated voltage: 24 V Current: 016 A Rated speed: 7000 RPM Motor parameters for different voltages: DC 12V, current 014A, speed 3500RPM DC 18V, current 015A, speed 4500RPM DC 24V, current 016A, speed 7000RPM DC 30V, current 017A, speed 8100RPM DC 36V, current 020A, speed 9000RPM Material: Metal Color: Silver Package includes: 1 x 775 Motor Note: Light and different displays may cause the color of the item in the picture to be a little different from the real thing. The allowed measurement error is +/- 1-3 cm.