21000RPM Without Ball Bearing DC 12V 18V 775 21000RPM Copper Motor For Grinding Drilling Cutting Polishing & Mini Fan Making With 775 Motor

Description: Heavy Speed DC 12v 18v 775 21000RPM Copper Motor

DC motor is any of a class of rotary electrical machines that converts direct current electrical energy into mechanical energy. The most common types rely on the forces produced by magnetic fields. Nearly all types of DC motors have some internal mechanism, either electro-mechanical or electronic, to periodically change the direction of current flow in part of the motor. D775 Motor is High torque and high Energetic Motor is High quality diameter & low noise high torque Carbon brush motor /long shaft high power dc motor for Robotics, drill, Fan, Pump, Hss Cutter, Generator, etc

Scope of application: office automation, home automation, medical equipment, security equipment, consumer electronics, aircraft models, automotive electronics fields. High speed mute, can CW and CCW The cooling fan keeps the motor constant temperature Pure copper wire, low heat, long life, low loss Rotor uses copper wire winding, small resistance, strong electrical conductivity, so that the motor torque increased Ball bearing: high bearing capacity, high speed, low friction

Feature:

• Hight Quality Cooling fan.
• Used in electric tool motors, power is very large, you can make a small spindle motor, and is also suitable for DIY aspect.
• With copper wire production, durable for using. Easy to wire and install. Durable construction for long-lasting performance. Wide applied to electric tools, electric fans, electric cleaners, etc. Small size but large torque

Specification:

• Model: 775
• Shaft Diameter: 5 mm(Approx.)
• Shaft length: 17 mm
• Body length: 66.7 mm
• Front steps diameter: 17.4 mm
• Former high level: 4.7 mm
• Body diameter: 42 mm
• Motor Overall Length: 98 mm
• Diagonal installation pitch: 28.8 mm
• Mounting hole size: M4
• Mounting hole: 2
• Cooling fan: Yes
• Rated voltage: 12V
• Rated Current: 5A
• Rated Speed: 21000 RPM
• Torque: 3kg.cm
• Weight: 390gm

Notice:

• This is a high-power, high current motor, please note that it need a right power supply.
• Motor with a cooling fan, when the operation is move violent, please pay attention to the high-speed rotation.
• Part of the motor appearance is not perfect, it is not recommended for the appearance of the high demand.