China OEM Mini DC Metal Gear Geared Motor for Electrical Bicycle Motorized Awning vacuum pump ac

Product Description


Product Description

22mm planetary gear motor
The parameter listed is just a reference, for a real application, we can customize according to your needs.

Gear Motor Torque & Speed:

  Reduction ratio 1/5 1/18 1/20 1/25 1/66 1/77 1/90 1/110 1/136 1/246 1/336 1/393 1/484 1/597 1/735 1/1079 1/1475 1/2124 1/3968
12V Rated torque( 260 850 1000 1200 2700 3200 3700 4000 4000 5000 5000 5000 5000 5000 5000 6000 6000 6000 6000
Rated speed(rpm) 1500 400 340 280 105 92 79 64 52 29.4 22.4 19.6 16.0 12.9 10.5 7.4 5.5 4.0 2.0
24V Rated torque( 260 850 1000 1200 2700 3200 3700 4000 4000 5000 5000 5000 5000 5000 5000 6000 6000 6000 6000
Rated speed(rpm) 1500 410 350 290 110 95 81 67 56 31 23 20 16.3 13.1 10.7 7.5 5.6 4.0 2.0
  Rotation direction CW
  Length(L-mm) 23.3 29.5 35.7 41.9 48.1

DC Motor Specification

Rated volt(V) Rated torque( Rated speed(rpm) Rated current(mA) No-load speed(rpm) No load current(mA) Weight(g)
12 70 7100 <=700 9000 <=190 51
24 70 7400 <=360 9000 <=120 51


Related Products


Company Profile


Founded in 2006, I.CH is a professional Micro Metal Gear Motor factory over 16years. We have worked with over 50 countries’ customers arround world. We have over 20 patents in   gearbox  field.

We focus on the development of   planetary gearbox  and matched different type of motors, such as   DC brush motor,   Brushless DC Motor,   Stepper Motor  and Servo Motor . Custom Service for micro gear motor with encoder and dual shaft in special specification, The light weight with high torque and low speed is widely used in a variety of industrial, home application and hobby appliance.

16 +


50 +

Countrie’s Customers

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          1000 +

                    Factory Area





As part of our commitment to improving our service concept, providing high quality products and excellent service, we have invested in core ability and training. Our HangZhou holding factory manufactures high quality gear motors, gearboxes, and planetary gearbox assemblies. The following are our honorary certificates and product professional certifications display.

Packaging & Shipping

-crate, carton or pallet;
-Shipping method: air shipping, sea shipping or express;
-Delivery time: 20-50 working days.

Factory Equipments



Customer Visiting




Q: Can you make the Gearbox or Planetary Gearbox with custom specifications?
A: YES. We have strong R&D capability, also a great term of engineers, each of them have many work years experience.
Q: Do you provide the samples of DC Geared Motor?
A: YES. Our company can provide the samples to you, and the delivery time is about 5-15days according to the specification of gearbox you need.
Q: What voltage can you supply?
A: 6V, 12V, 24V or we can customized voltage.
Q: Do you have the item in stock?
A: I am sorry we do not have the item in stock, All products are made with orders.
Q: Do you provide technology support?
A: YES. Our company have strong R&D capability, we can provide technology support if you need.

Q: How to select a suitable DC Gear Motor?
A: If you have Gear motor pictures or drawings to show us, or you have detailed specs like voltage, speed, torque, motor size, working mode of the motor, life time and noise level etc, please do not hesitate to let us know, then we can recommend suitable Geared Motor per your request accordingly.

Q: Do you have customized service for your standard Planetary Gearbox Motors?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC, we can make it too.

Q: Can I have samples of Planetary Gearbox for testing first?
A: Yes, definitely you can. After confirmed the needed motor specs, we will quote and provide a proforma invoice for samples, once we get the payment, we will get a PASS from our account department to proceed samples accordingly.

Q: What is application of this 12mm Geared motor?
A: Electronic Lock Motor, Optic Equipment Motor, Micro Mechanism Motor

Q: What does the share bike motor mean?
A: It means this motor is going to be used for shared bicycle, like Ofo, Mobike in China.

Q: What is the 20mm DC Geared Motor going to used for?
A: The 20mm Geared Motor is 1 kind of small size DC Geared Motors, it can be used as Storage Box Motor, Ad Equipment Motor, Audio Equipment Motor, Electronic Game Machine Motor, please choose motor depends on application size.
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Application: Industrial, Household Appliances, Power Tools
Operating Speed: Low Speed
Function: Driving


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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

gear motor

What types of feedback mechanisms are commonly integrated into gear motors for control?

Gear motors often incorporate feedback mechanisms to provide control and improve their performance. These feedback mechanisms enable the motor to monitor and adjust its operation based on various parameters. Here are some commonly integrated feedback mechanisms in gear motors:

1. Encoder Feedback:

An encoder is a device that provides position and speed feedback by converting the motor’s mechanical motion into electrical signals. Encoders commonly used in gear motors include:

  • Incremental Encoders: These encoders provide information about the motor’s shaft position and speed relative to a reference point. They generate pulses as the motor rotates, allowing precise measurement of position and speed changes.
  • Absolute Encoders: Absolute encoders provide the precise position of the motor’s shaft within a full revolution. They do not require a reference point and provide accurate feedback even after power loss or motor restart.

2. Hall Effect Sensors:

Hall effect sensors use the principle of the Hall effect to detect the presence and strength of a magnetic field. They are commonly used in gear motors for speed and position sensing. Hall effect sensors provide feedback by detecting changes in the motor’s magnetic field and converting them into electrical signals.

3. Current Sensors:

Current sensors monitor the electrical current flowing through the motor’s windings. By measuring the current, these sensors provide feedback regarding the motor’s torque, load conditions, and power consumption. Current sensors are essential for motor control strategies such as current limiting, overcurrent protection, and closed-loop control.

4. Temperature Sensors:

Temperature sensors are integrated into gear motors to monitor the motor’s temperature. They provide feedback on the motor’s thermal conditions, allowing the control system to adjust the motor’s operation to prevent overheating. Temperature sensors are crucial for ensuring the motor’s reliability and preventing damage due to excessive heat.

5. Hall Effect Limit Switches:

Hall effect limit switches are used to detect the presence or absence of a magnetic field within a specific range. They are commonly employed as end-of-travel or limit switches in gear motors. Hall effect limit switches provide feedback to the control system, indicating when the motor has reached a specific position or when it has moved beyond the allowed range.

6. Resolver Feedback:

A resolver is an electromagnetic device used to determine the position and speed of a rotating shaft. It provides feedback by generating sine and cosine signals that correspond to the shaft’s angular position. Resolver feedback is commonly used in high-performance gear motors requiring accurate position and speed control.

These feedback mechanisms, when integrated into gear motors, enable precise control, monitoring, and adjustment of various motor parameters. By utilizing feedback signals from encoders, Hall effect sensors, current sensors, temperature sensors, limit switches, or resolvers, the control system can optimize the motor’s performance, ensure accurate positioning, maintain speed control, and protect the motor from excessive loads or overheating.

gear motor

How does the voltage and power rating of a gear motor impact its suitability for different tasks?

The voltage and power rating of a gear motor are important factors that influence its suitability for different tasks. These specifications determine the motor’s electrical characteristics and its ability to perform specific tasks effectively. Here’s a detailed explanation of how voltage and power rating impact the suitability of a gear motor for different tasks:

1. Voltage Rating:

The voltage rating of a gear motor refers to the electrical voltage it requires to operate optimally. Here’s how the voltage rating affects suitability:

  • Compatibility with Power Supply: The gear motor’s voltage rating must match the available power supply. Using a motor with a voltage rating that is too high or too low for the power supply can lead to improper operation or damage to the motor.
  • Electrical Safety: Adhering to the specified voltage rating ensures electrical safety. Using a motor with a higher voltage rating than recommended can pose safety hazards, while using a motor with a lower voltage rating may result in inadequate performance.
  • Application Flexibility: Different tasks or applications may have specific voltage requirements. For example, low-voltage gear motors are commonly used in battery-powered devices or applications with low-power requirements, while high-voltage gear motors are suitable for industrial applications or tasks that require higher power output.

2. Power Rating:

The power rating of a gear motor indicates its ability to deliver mechanical power. It is typically specified in units of watts (W) or horsepower (HP). The power rating impacts the suitability of a gear motor in the following ways:

  • Load Capacity: The power rating determines the maximum load that a gear motor can handle. Motors with higher power ratings are capable of driving heavier loads or handling tasks that require more torque.
  • Speed and Torque: The power rating affects the motor’s speed and torque characteristics. Motors with higher power ratings generally offer higher speeds and greater torque output, making them suitable for applications that require faster operation or the ability to overcome higher resistance or loads.
  • Efficiency and Energy Consumption: The power rating is related to the motor’s efficiency and energy consumption. Higher power-rated motors may be more efficient, resulting in lower energy losses and reduced operating costs over time.
  • Thermal Considerations: Motors with higher power ratings may generate more heat during operation. It is crucial to consider the motor’s power rating in relation to its thermal management capabilities to prevent overheating and ensure long-term reliability.

Considerations for Task Suitability:

When selecting a gear motor for a specific task, it is important to consider the following factors in relation to the voltage and power rating:

  • Required Torque and Load: Assess the torque and load requirements of the task to ensure that the gear motor’s power rating is sufficient to handle the expected load without being overloaded.
  • Speed and Precision: Consider the desired speed and precision of the task. Motors with higher power ratings generally offer better speed control and accuracy.
  • Power Supply Availability: Evaluate the availability and compatibility of the power supply with the gear motor’s voltage rating. Ensure that the power supply can provide the required voltage for the motor’s optimal operation.
  • Environmental Factors: Consider any specific environmental factors, such as temperature or humidity, that may impact the gear motor’s performance. Ensure that the motor’s voltage and power ratings are suitable for the intended operating conditions.

In summary, the voltage and power rating of a gear motor have significant implications for its suitability in different tasks. The voltage rating determines compatibility with the power supply and ensures electrical safety, while the power rating influences load capacity, speed, torque, efficiency, and thermal considerations. When choosing a gear motor, it is crucial to carefully evaluate the task requirements and consider the voltage and power rating in relation to factors such as torque, speed, power supply availability, and environmental conditions.

gear motor

What are the different types of gears used in gear motors, and how do they impact performance?

Various types of gears are used in gear motors, each with its unique characteristics and impact on performance. The choice of gear type depends on the specific requirements of the application, including torque, speed, efficiency, noise level, and space constraints. Here’s a detailed explanation of the different types of gears used in gear motors and their impact on performance:

1. Spur Gears:

Spur gears are the most common type of gears used in gear motors. They have straight teeth that are parallel to the gear’s axis and mesh with another spur gear to transmit power. Spur gears provide high efficiency, reliable operation, and cost-effectiveness. However, they can generate significant noise due to the meshing of teeth, and they may produce axial thrust forces. Spur gears are suitable for applications that require high torque transmission and moderate to high rotational speeds.

2. Helical Gears:

Helical gears have angled teeth that are cut at an angle to the gear’s axis. This helical tooth configuration enables gradual engagement and smoother tooth contact, resulting in reduced noise and vibration compared to spur gears. Helical gears provide higher load-carrying capacity and are suitable for applications that require high torque transmission and moderate to high rotational speeds. They are commonly used in gear motors where low noise operation is desired, such as in automotive applications and industrial machinery.

3. Bevel Gears:

Bevel gears have teeth that are cut on a conical surface. They are used to transmit power between intersecting shafts, usually at right angles. Bevel gears can have straight teeth (straight bevel gears) or curved teeth (spiral bevel gears). These gears provide efficient power transmission and precise motion control in applications where shafts need to change direction. Bevel gears are commonly used in gear motors for applications such as steering systems, machine tools, and printing presses.

4. Worm Gears:

Worm gears consist of a worm (a type of screw) and a mating gear called a worm wheel or worm gear. The worm has a helical thread that meshes with the worm wheel, resulting in a compact and high gear reduction ratio. Worm gears provide high torque transmission, low noise operation, and self-locking properties, which prevent reverse motion. They are commonly used in gear motors for applications that require high gear reduction and locking capabilities, such as in lifting mechanisms, conveyor systems, and machine tools.

5. Planetary Gears:

Planetary gears, also known as epicyclic gears, consist of a central sun gear, multiple planet gears, and an outer ring gear. The planet gears mesh with both the sun gear and the ring gear, creating a compact and efficient gear system. Planetary gears offer high torque transmission, high gear reduction ratios, and excellent load distribution. They are commonly used in gear motors for applications that require high torque and compact size, such as in robotics, automotive transmissions, and industrial machinery.

6. Rack and Pinion:

Rack and pinion gears consist of a linear rack (a straight toothed bar) and a pinion gear (a spur gear with a small diameter). The pinion gear meshes with the rack to convert rotary motion into linear motion or vice versa. Rack and pinion gears provide precise linear motion control and are commonly used in gear motors for applications such as linear actuators, CNC machines, and steering systems.

The choice of gear type in a gear motor depends on factors such as the desired torque, speed, efficiency, noise level, and space constraints. Each type of gear offers specific advantages and impacts the performance of the gear motor differently. By selecting the appropriate gear type, gear motors can be optimized for their intended applications, ensuring efficient and reliable power transmission.

China OEM Mini DC Metal Gear Geared Motor for Electrical Bicycle Motorized Awning   vacuum pump acChina OEM Mini DC Metal Gear Geared Motor for Electrical Bicycle Motorized Awning   vacuum pump ac
editor by CX 2024-02-29