1.5V 3V 4800RPM Round Electric Motor RE-140 High Speed DIY Motor For Science Kits

Product Name: R140 Toy Motor Micro DC Motor

Features: High speed, strong magnetic

Direction:CCW/CW

Voltage: 1.5-6V

Current:0.14-0.91(A)

Output:0.16-1.62(W)

Speed:2556- 10478(RPM)

Motor Step Height:1.7mm

Motor Body Length:25mm

Motor Diameter:21mm

Screw Holes Distance:10mm

Srew Holes Size:2mm

Shaft diameter: 2mm

Shaft length: 8mm/10mm Or Custom as your need.

Application: toy model making, remote control car, etc.

RE-140/R140 High Speed DIY Motor Dimension

RE-140 Small High Speed Electric Motor Parameter

RE-140 DC Electric Motor Custom Motor With Wires

Lihua Motor offers customized R140 motors, which can serve as reliable alternatives to Mabuchi products. To meet the diverse needs of the global market and our valued customers, we provide flexible customization options for voltage, current, torque, speed, and more.

In addition, we offer tailor-made solutions for lead wire welding, including customizations in wire length, material, and shape. As long as you provide detailed specifications, we are fully capable of delivering a motor solution that meets your exact requirements.

About Lihua Motor:
With 20 years of experience in micro motor R&D and manufacturing, Lihua Motor has a workforce of over 80 staff and 200+ production line workers. Our production line is 80% automated, equipped with advanced machinery such as automatic winding machines, rotor assembly machines, welding machines, and full-function testing systems. With an annual output value of 130 million RMB, we have delivered more than 20,000 customized motor solutions worldwide. Our motors are widely used in household appliances, beauty devices, massage equipment, and smart cleaning robots. Lihua Motor is certified with CE, ISO 9001, IATF 16949, ROHS, REACH, and other international standards.

RE-140 Micro Motor Key Features

• Flexible Voltage Range: Operates efficiently between 3V and 6V, making it ideal for low-voltage electronics and battery-powered devices.
• Compact & Lightweight: Featuring a small round R140 motor design, it’s perfect for projects with limited space requirements.
• High-Speed Performance: Delivers impressive speed and torque relative to its size, ensuring reliable operation in gear-driven applications.
• DIY-Ready: Specifically designed for hobbyists and makers working on electronics, robotics, and innovative DIY creations.
• Arduino Compatibility: Easily integrates with Arduino platforms, making it ideal for prototyping and testing electronic circuits.
• Durable Construction: Built with robust materials to provide long-lasting, stable performance—even in demanding project environments.

R140 Mini Motor Applications

The 3–6V DC Round R140 Motor is a versatile component widely used across various electronics and engineering fields, including:

• DIY & Hobby Projects: A great choice for building compact robots, automated mechanisms, and creative prototypes.
• 3D Printing & CNC Systems: Suitable for driving moving parts in customized 3D printers or small-scale CNC machines.
• Educational Tools: Commonly featured in STEM learning kits and school experiments to support hands-on education.
• Miniature Devices: Powers small appliances like mini fans, vibrators, and compact mechanical systems.
• Arduino Projects: Perfect for Arduino-based innovations and microcontroller-driven devices.

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.