16mm Gear Motor 12V High Torque 100 Rpm DC Motor Low Rpm Gear Motor For DIY Model

The 16mm Gear Motor DC combines a high-efficiency DC motor with a precision 20mm diameter gear reduction box, offering exceptional torque output in an ultra-compact package. With customizable gear ratios including:

✔ Standard Options: 20:1, 35:1, 63:1, 100:1, 200:1, 300:1, 400:1, 800:1
✔ Custom Ratios: Tailored to your exact speed/torque requirements

The gearbox is available in multiple lengths (11.2mm, 12.7mm, 14.2mm, 15.7mm,17.2mm) for flexible integration across applications.

16mm Gear Motor Specifications

Model : GA16-050 micro metal gearmotor

Gearbox: 16 mm Dia metal spur gear reducer

Motor Size:12mm*15mm*L (Motor Length can be custom )

Shaft : Φ3mm D-cut 0.5mm, M4, custom

Gear Box Size:16mm*L mm (Length can be customized)
Shaft size : Approx. 4 x L mm (Dia.*L)
Nominal Voltage : DC 3V 6V 12V

Operating Voltage:3V-9V 18V-26V
Revolving speed:
15RPM/18 RPM / 25 RPM / 35 RPM / 59 RPM / 70 RPM / 100RPM/120 RPM / 140 RPM / 250 RPM / 500 RPM

6V : 15RPM / 29 RPM / 120 RPM / 200 RPM
12V : 18 RPM / 70 RPM / 100 RPM /200RPM / 300 RPM / 400 RPM / 1000 RPM

Encoder : Magnetic encoder available;
Commutation: Carbon brush/Graphite brush/Metal brush;
Construction: micro Permanent Magnet iron cored dc electric motor;

Key Features

1. Precision Motion Control

• ±5% speed consistency under load

• Minimal backlash (<3°) for accurate positioning

2. Robust Power Delivery

• Stall torque: 2.5kg-cm (3.5kg-cm peak)

• Dual ball bearing support for axial loads

3. Space-Saving Integration

• 16mm diameter × 38mm length (including shaft)

• 4x M1.6 mounting threads (20mm pattern)

4. Versatile Connectivity

• D-shaped 4mm output shaft (8mm length)

• Pre-soldered 15cm wires (JST connector optional)

16mm Gear Motor 12V High Torque 100 Rpm DC Motor Dimensions

Motor Outline Features:

• Single 050 Motor Size:12mm*15.5mm*26.7(H*Dia*L)
• Single 050 Motor Type:RF-050/RK-050
• Gearbox Diameter:16±0.2mm
• Gearbox Step Height:2mm
• Gearbox Shaf Diamteter:3mm or 3mm D shaft (D-shaped output shaft is processed and milled to increase the force and friction, making the transmission more stable and convenient to connect and fix)
• Mounting Screw Holes Size:2*0.4mm
• Mounting Screw Holes Distance:10mm
• Gearbox Outshaft Shape/Length can be custom

16mm Gear Motor DC Motor Low Rpm Gear Motor Parameter List

*Remarks: The / in the table indicates that it is not possible to block the rotation, if it occurs, it may lead to damage to the internal gears.

The above list of parameters is a general parameter, if you have different needs can be processed according to requirements.

Guang Dong Lihua Mechatronics Co., Ltd.(Lihua Motor) was founded in May 2003, formerly Shen Zhen Hua Chuang Sheng Motor Co., Ltd.  (HCS Motors) 

In order to expand its business, it relocated from Shenzhen to Humen Town (Dongguan City) in October 2017. Lihua is a manufacturer of high-quality DC motors integrates professional development, production and sales, offering a wide range of DC motors, including brushed and brushless motors, geared motors,stepper motor. We has been at the forefront of motor manufacturing and customizing for 20 years, consistently delivering high-performing and reliable products to clients worldwide.

These motors are designed for various applications, including industrial equipment, medical devices, robotics, automotive systems, motor vehicle and more. We also provides Customized DC Motor Solutions to meet specific customer needs.