37mm Metal Gear Motor Model NFP-GM37-3429-EN
$20.00
Elevate your projects with the 37mm spur gear motor with encoder, designed for ultimate reliability and adaptability. Discover performance today!
Precision Control Long Lifespan Miniature Gear Motor W/ Encoder Datasheet
Product Overview
First, the NFP-GM37-3429-EN is a 37mm metal gear motor with a magnetic Hall encoder. Also, it is useful for drive systems that need speed feedback, direction control, and stable torque output.
In addition, the motor includes an encoder protection cover. As a result, the encoder can reduce damage risk during handling, wiring, and product assembly.
Moreover, users can choose different gear ratios and voltage options. Therefore, this gear motor can support both high-speed and high-torque tasks.
Main Features
- First, magnetic Hall encoder: The encoder provides AB dual-phase feedback. Therefore, users can detect speed and direction.
- In addition, encoder cover: The cover helps protect the encoder. As a result, it improves handling safety during assembly.
- Also, wide voltage range: The motor supports 6V, 12V, and 24V DC. In addition, it can match different control systems.
- Next, multiple gear ratios: Users can choose high-speed or high-torque output. Moreover, higher ratios provide lower speed and higher torque.
- Finally, metal gearbox: The 37mm gearbox provides stable output in a compact size. Therefore, it works well for small drive products.
Basic Motor Specifications
First, the table below shows the main motor data. Also, users can check shaft size, voltage, speed range, current, power, and weight before selection.
| Parameter | Value |
|---|---|
| Model | NFP-GM37-3429-EN |
| Shaft Diameter | 6mm |
| Shaft Length | 21mm |
| Rated Voltage | 6V / 12V / 24V DC |
| No-load Speed | 11rpm – 1,550rpm |
| No-load Current | ≤0.15A / ≤0.2A / ≤0.3A |
| Power | 2.6W / 11W |
| Weight | appr. 180g |
As a result, this model gives wide voltage and speed choices in one gear motor body. Moreover, the Hall encoder helps support feedback control.
6V DC Performance Data
First, the table below shows the 6V DC version. Therefore, users can compare ratio, gearbox length, speed, current, torque, stall data, and PPR before choosing a model.
In addition, lower ratios provide higher output speed. However, higher ratios provide lower speed, higher torque, and higher encoder pulse output.
Model: NFP-GM37-3429-EN, 6V
| Ratio | Gearbox Length | No-load Current | No-load Speed | Rated Current | Rated Speed | Rated Torque | Stall Current | Stall Torque | PPR |
|---|---|---|---|---|---|---|---|---|---|
| 6.3:1 | 19mm | ≤0.2A | 775rpm | ≤1.4A | 470rpm | 0.5kg.cm | ≤3.5A | ≥1.2kg.cm | 69 |
| 10:1 | 19mm | ≤0.2A | 500rpm | ≤1.4A | 300rpm | 0.8kg.cm | ≤3.5A | ≥2kg.cm | 110 |
| 18.8:1 | 21.5mm | ≤0.2A | 265rpm | ≤1.4A | 160rpm | 1.5kg.cm | ≤3.5A | ≥3.7kg.cm | 207 |
| 30:1 | 21.5mm | ≤0.2A | 165rpm | ≤1.4A | 100rpm | 2.4kg.cm | ≤3.5A | ≥6kg.cm | 330 |
| 50:1 | 24mm | ≤0.2A | 100rpm | ≤1.4A | 60rpm | 4kg.cm | ≤3.5A | ≥10kg.cm | 550 |
| 90:1 | 24mm | ≤0.2A | 55rpm | ≤1.4A | 32rpm | 7kg.cm | ≤3.5A | ≥18kg.cm | 990 |
| 150:1 | 26.5mm | ≤0.2A | 32rpm | ≤1.4A | 20rpm | 12kg.cm | ≤3.5A | ≤30kg.cm | 1,650 |
| 270:1 | 26.5mm | ≤0.2A | 18rpm | ≤1.4A | 11rpm | 21kg.cm | ≤3.5A | ≤30kg.cm | 2,970 |
| 450:1 | 29mm | ≤0.2A | 11rpm | ≤1.4A | 6.5rpm | 30kg.cm | ≤3.5A | ≤30kg.cm | 4,950 |
Note: All reduced no-load speeds have a tolerance of ±15%.
As a result, the 6V version covers speeds from 11rpm to 775rpm. Moreover, the 450:1 ratio gives the strongest rated torque and the highest PPR in this table.
12V DC Performance Data
Next, the table below shows the 12V DC version. In addition, this version provides higher speed and stronger output than the 6V version.
Moreover, the 12V version is useful for compact systems that need both speed feedback and higher torque. Therefore, it fits many robot and automation projects.
Model: NFP-GM37-3429-EN, 12V
| Ratio | Gearbox Length | No-load Current | No-load Speed | Rated Current | Rated Speed | Rated Torque | Stall Current | Stall Torque | PPR |
|---|---|---|---|---|---|---|---|---|---|
| 6.3:1 | 19mm | ≤0.3A | 1,550rpm | ≤2.3A | 950rpm | 1kg.cm | ≤7A | ≥2.5kg.cm | 69 |
| 10:1 | 19mm | ≤0.3A | 1,000rpm | ≤2.3A | 600rpm | 1.6kg.cm | ≤7A | ≥4kg.cm | 110 |
| 18.8:1 | 21.5mm | ≤0.3A | 530rpm | ≤2.3A | 320rpm | 3kg.cm | ≤7A | ≥7.5kg.cm | 207 |
| 30:1 | 21.5mm | ≤0.3A | 330rpm | ≤2.3A | 200rpm | 4.8kg.cm | ≤7A | ≥12kg.cm | 330 |
| 50:1 | 24mm | ≤0.3A | 200rpm | ≤2.3A | 120rpm | 8kg.cm | ≤7A | ≥20kg.cm | 550 |
| 90:1 | 24mm | ≤0.3A | 110rpm | ≤2.3A | 65rpm | 14kg.cm | ≤7A | ≤30kg.cm | 990 |
| 150:1 | 26.5mm | ≤0.3A | 65rpm | ≤2.1A | 40rpm | 24kg.cm | ≤7A | ≤30kg.cm | 1,650 |
| 270:1 | 26.5mm | ≤0.3A | 36rpm | ≤1.9A | 27rpm | 30kg.cm | ≤7A | ≤30kg.cm | 2,970 |
| 450:1 | 29mm | ≤0.3A | 22rpm | ≤1.7A | 16rpm | 30kg.cm | ≤7A | ≤30kg.cm | 4,950 |
Note: All reduced no-load speeds have a tolerance of ±15%.
As a result, the 12V version reaches up to 1,550rpm at 6.3:1. Also, the 270:1 and 450:1 ratios give the highest rated torque in this table.
24V DC Performance Data
Finally, the table below shows the 24V DC version. In addition, this version keeps high speed while using lower no-load current than the 12V version.
As a result, users can choose this version for 24V control systems. Moreover, it is suitable for compact equipment that needs stable speed feedback.
Model: NFP-GM37-3429-EN, 24V
| Ratio | Gearbox Length | No-load Current | No-load Speed | Rated Current | Rated Speed | Rated Torque | Stall Current | Stall Torque | PPR |
|---|---|---|---|---|---|---|---|---|---|
| 6.3:1 | 19mm | ≤0.15A | 1,550rpm | ≤1.8A | 950rpm | 1kg.cm | ≤4.5A | ≥2.5kg.cm | 69 |
| 10:1 | 19mm | ≤0.15A | 1,000rpm | ≤1.8A | 600rpm | 1.6kg.cm | ≤4.5A | ≥4kg.cm | 110 |
| 18:1 | 21.5mm | ≤0.15A | 530rpm | ≤1.8A | 320rpm | 3kg.cm | ≤4.5A | ≥7.5kg.cm | 207 |
| 30:1 | 21.5mm | ≤0.15A | 330rpm | ≤1.8A | 200rpm | 4.8kg.cm | ≤4.5A | ≥12kg.cm | 330 |
| 50:1 | 24mm | ≤0.15A | 200rpm | ≤1.8A | 120rpm | 8kg.cm | ≤4.5A | ≥20kg.cm | 550 |
| 90:1 | 24mm | ≤0.15A | 110rpm | ≤1.8A | 65rpm | 14kg.cm | ≤4.5A | ≤30kg.cm | 990 |
| 150:1 | 26.5mm | ≤0.15A | 65rpm | ≤1.8A | 40rpm | 24kg.cm | ≤4.5A | ≤30kg.cm | 1,650 |
| 270:1 | 26.5mm | ≤0.15A | 36rpm | ≤1.8A | 27rpm | 30kg.cm | ≤4.5A | ≤30kg.cm | 2,970 |
| 450:1 | 29mm | ≤0.15A | 22rpm | ≤1.8A | 16rpm | 30kg.cm | ≤4.5A | ≤30kg.cm | 4,950 |
Note: All reduced no-load speeds have a tolerance of ±15%.
In conclusion, the 24V version is useful when users need lower no-load current. Also, it keeps the same high-torque ratio choices.
Reliable Low Vibration DC Gear Motor Dimension
Gearbox and Encoder Pulse Data
First, the gearbox length changes with the reduction ratio. Therefore, users should confirm the gearbox length before product design.
In addition, the encoder pulses increase after reduction. As a result, higher ratios can provide higher feedback resolution.
| Ratio | Encoder Pulses (after reduction) | Gearbox Length |
|---|---|---|
| 6.3:1 | 69 | 19mm |
| 10:1 | 110 | 19mm |
| 18.8:1 | 207 | 21.5mm |
| 30:1 | 330 | 21.5mm |
| 50:1 | 550 | 24mm |
| 90:1 | 990 | 24mm |
| 150:1 | 1650 | 26.5mm |
| 270:1 | 2970 | 26.5mm |
| 450:1 | 4950 | 29mm |
Mechanical Design Advantages
- First, low vibration: The gear motor structure helps reduce vibration. Therefore, it can support smoother work.
- In addition, low noise: The gearbox design helps reduce running noise. As a result, it is suitable for smart devices and indoor equipment.
- Also, durable build: The compact metal gearbox improves strength. In addition, it supports longer service life under proper load.
- Finally, encoder cover option: The cover helps protect the Hall encoder. Moreover, it reduces damage risk during wiring and assembly.
Motor Outline Without Cover
First, the image below shows the encoder motor without cover. Therefore, users can check the basic motor shape and wiring area before assembly.
Motor Outline With Encoder Cover
Next, the image below shows the gear motor with encoder cover. In addition, the cover design helps protect the encoder board and wiring area.
High Efficiency Compact Design Electric Gear Motor Wiring Diagram
Wiring and Control Overview
First, the gear motor supports positive and negative rotation. Therefore, users can apply it to systems that need forward and reverse motion.
In addition, the Hall encoder helps provide feedback for speed and position control. As a result, it is useful for robotics, automation systems, and compact drive products.
Encoder Parameters
First, the table below shows the encoder data. Also, users can check encoder type, line speed, supply voltage, interface type, output signal, and response frequency before wiring.
| Parameter | Value |
|---|---|
| Encoder Type | AB Dual-phase incremental magnetic Hall encoder |
| Line Speed | Basic Pulse 11PPR x Gear Reduction Ratio |
| Supply Voltage | 3.3V / 5V DC |
| Basic Skills | Built-In Pull-Up Shaping Resistor, Directly Connected To The Microcontroller |
| Interface Type | PH2.0 (Standard Connecting Cable) |
| Output Signal Type | Square Wave AB Phase |
| Response Frequency | 100Khz |
| Basic Pulse Number | 11 PPR |
| Number of Magnetic Ring Trigger Poles | 22 Poles (11 Pairs Of Poles) |
Typical Applications
Finally, this gear motor with encoder is useful for many feedback control systems. For example, it can work in robots, smart devices, camera gimbals, and automation modules.
- First, robotics: The motor can support wheel drive, arm motion, and small joint control.
- In addition, automation systems: The encoder helps support feedback control and speed detection.
- Also, smart devices: The compact gearbox can drive small adjustment mechanisms.
- Next, camera gimbals: The motor can support slow and controlled angle movement.
- Finally, industrial prototypes: Users can test speed, torque, and encoder feedback during product development.
Selection Notes
First, users should choose the motor by voltage, ratio, torque, speed, and encoder pulse need. Also, the notes below can make model selection easier.
- First, for higher speed: Choose a lower gear ratio. Therefore, the output speed will be higher.
- In addition, for higher torque: Choose a higher gear ratio. As a result, the output speed will be lower, but torque will increase.
- Also, for 6V systems: Choose the 6V version when the power supply and driver use 6V DC.
- Next, for 12V systems: Choose the 12V version when the power supply and driver use 12V DC.
- Moreover, for 24V systems: Choose the 24V version when the power supply and driver use 24V DC.
- Finally, for encoder control: Check the 11PPR x gear ratio output before writing the control program.
In short, the NFP-GM37-3429-EN miniature gear motor with encoder is a good fit for products that need 6V, 12V, or 24V DC power, compact 37mm gearbox, Hall encoder feedback, high torque, and stable low-speed output.
Keywords: 37mm metal gear motor, NFP-GM37-3429-EN, high torque motor, low speed motor, 12V motor, precision gear motor
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Shipping:
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FAQ
Q: If customized, what information should you provide?
A: You need to provide the basic specification of the motor, such as: Dimensions, Sizes Applications, Voltage, Speed and Torque. It’s better to offer application prototype drawings to us if possible.
Q: What’s your main motors?
A: Diameter 4mm~42mm Dc Micro Motor And Gear Motor, Auto Dc Motor, Electric Motor, Gear Motor, Mini Dc Motor, Brush Dc Motor, Brushless Dc Motor, Spur Gear Motor, Micro Motor, Vibration Motor Etc.
Q: What’s the main application of the micro dc motor?
A: Our mini DC motors are widely used in Home Applications, Office Equipment, Health-Care Application, Sanitation Industry, High-Class Toy, Banking System, Electronic and Electrical Tools, Automation Industry, Bank Equipments, Payment Equipments, Vending Machines, Power Door Lock, Electric Door Lock.




Kyle Reynolds –
Used this for a small automated system, and the encoder adds great functionality. It’s not the most powerful motor, but the added precision is a big win,
James Smith –
When I first got this motor, I wasn’t sure it would hold up to my needs. But this thing? It exceeded my expectations. The metal gears are super durable, and the encoder really helps with fine-tuning movements. 👏
Felicity Sauncho –
This metal gear motor delivers excellent torque and runs smoothly. The build quality is solid, powerful, and easy to integrate.
Jenelia Dia –
Perfect motor for my mill sprayer setup. It’s compact but powerful and runs continuously without any problems. Good quality and easy to install!🤯