Product Description
The 22mm Coreless DC Gear Motor is a compact high-torque micro gearbox motor designed for robotics, automation equipment, smart devices, DIY projects, and precision motion control systems. Featuring a quiet coreless motor structure, all-metal gears, reversible rotation, and PWM speed control support, this motor provides stable low-speed output with excellent torque performance.
This 24V DC gear motor is available in multiple reduction ratios from high-speed to ultra-low-speed configurations, making it suitable for robot drive systems, electronic locks, smart home devices, medical equipment, automatic mechanisms, and miniature industrial automation projects.
The motor supports forward and reverse rotation and optional 4mm or 6mm D-shaft output configurations.
Key Features
- 22mm compact coreless DC gear motor
- Quiet low-noise operation
- High torque all-metal gearbox
- 24V DC input
- Supports forward/reverse rotation
- PWM speed controllable
- Optional 4mm or 6mm D-shaft
- Multiple gear reduction ratios available
- Suitable for robotics and automation applications
- Compact cylindrical structure for tight installations
Applications
- Robot drive systems
- Smart locks
- Automatic curtain systems
- DIY robotics projects
- Precision transmission equipment
- Small conveyor systems
- Medical devices
- Smart home automation
- Industrial miniature mechanisms
- Camera slider and pan-tilt systems
Specifications
| Item | Specification |
|---|---|
| Motor Type | Coreless DC Gear Motor |
| Rated Voltage | 24V DC |
| Gear Material | Full Metal Gears |
| Rotation Direction | CW / CCW Reversible |
| Speed Control | PWM Supported |
| Motor Diameter | 22mm |
| Output Shaft Type | D Shaft |
| Shaft Diameter | 4mm Standard / 6mm Optional |
| Gearbox Type | Spur Gear Reduction |
| Noise Level | Low Noise |
| Operating Temperature | -20°C to +65°C |
| Humidity Range | 20%–85% RH |
Available Reduction Ratios & Speeds
| Gear Ratio | No-Load Speed | Rated Speed | Rated Torque |
|---|---|---|---|
| 3.7:1 | 1200 RPM | 950 RPM | 0.3 kgf.cm |
| 5.2:1 | 865 RPM | 675 RPM | 0.4 kgf.cm |
| 14:1 | 320 RPM | 250 RPM | 0.9 kgf.cm |
| 19:1 | 235 RPM | 185 RPM | 1.2 kgf.cm |
| 27:1 | 165 RPM | 130 RPM | 1.6 kgf.cm |
| 51:1 | 88 RPM | 69 RPM | 2.7 kgf.cm |
| 71:1 | 60 RPM | 49 RPM | 3.7 kgf.cm |
| 100:1 | 45 RPM | 35 RPM | 5.2 kgf.cm |
| 139:1 | 32 RPM | 25 RPM | 7.3 kgf.cm |
| 189:1 | 23 RPM | 18 RPM | 8.2 kgf.cm |
| 264:1 | 17 RPM | 13 RPM | 9.0 kgf.cm |
| 369:1 | 12 RPM | 9 RPM | 9.0 kgf.cm |
| 516:1 | 8 RPM | 7 RPM | 9.0 kgf.cm |
| 720:1 | 6 RPM | 5 RPM | 9.0 kgf.cm |
| 981:1 | 4 RPM | 3.5 RPM | 10.0 kgf.cm |
| 1370:1 | 3 RPM | 2.5 RPM | 10.0 kgf.cm |
| 2671:1 | 1.5 RPM | 1.3 RPM | 10.0 kgf.cm |
| 3730:1 | 1 RPM | 0.9 RPM | 10.0 kgf.cm |
Dimensions
| Item | Size |
|---|---|
| Motor Diameter | 22mm |
| Motor Body Length | 34mm |
| Gearbox Length | 26mm–42mm (depends on ratio) |
| Shaft Diameter | 4mm D Shaft |
| Shaft Length | 13mm |
Package Includes
- 1 × 22mm Coreless DC Gear Motor
FAQ
Q1: Does this motor support forward and reverse rotation?
Yes. The motor supports CW/CCW reversible operation by switching polarity.
Q2: Can the speed be adjusted?
Yes. PWM speed control is supported.
Q3: What is the difference between gear ratios?
Higher gear ratios provide:
- Lower output speed
- Higher output torque
Lower gear ratios provide:
- Higher speed
- Lower torque
Q4: Is the gearbox metal or plastic?
The gearbox uses full metal gears for improved durability and torque transmission.
Q5: Can I choose different shaft diameters?
Yes. Standard version is 4mm D-shaft, and some versions support optional 6mm D-shaft.
Q6: Is this suitable for robotics projects?
Yes. This motor is widely used in robotics, smart devices, automation systems, and precision DIY applications.
