Mini RK-370 Motor With Knurled Shaft 4.5V-36V 1200RPM-8900RPM Micro Small Motor

The Mini RK-370 Motor is a versatile and high-performance micro DC motor designed for a wide range of applications. With a knurled shaft and a voltage range of 4.5V to 36V, this motor delivers speeds from 1,200 RPM to 8,900 RPM, making it ideal for both household appliances and industrial tools. Its compact size, durable construction, and efficient performance make it a popular choice for hobbyists, engineers, and manufacturers alike.

3V-36V 370 Mini Motor Dimension

RK-370CB-11670 Key Features

1. Wide Voltage Range:

   • Operates efficiently at 4.5V to 36V, offering flexibility for various power supplies.

2. High-Speed Performance:

   • Delivers speeds ranging from 1,200 RPM to 8,900 RPM, ensuring smooth and efficient operation.

3. Compact and Lightweight:

   • Dimensions: 24.15mm (D) × 30.85mm (L).

   • Weight: 50g, making it easy to integrate into space-constrained devices.

4. Knurled Shaft Design:

   • Features a 2.05mm knurled shaft (5mm length) for secure coupling with gears and attachments.

5. Durable Construction:

   • Built with high-quality materials for long-lasting performance and reliability.

6. Low Noise Operation:

   • Optimized for quiet performance, making it suitable for noise-sensitive environments.

RK-370 Motor Technical Specifications

• Motor Model: JRK-370.

• Motor Size: 24.15mm (D) × 30.85mm (L).

• Shaft Diameter: 2.05mm.

• Shaft Length: 5mm.

• Weight: 50g.

• Voltage Range: 3V–12V (test data provided).

• Test Data:

  • 3.0V: No-load speed – 3,000 RPM; Current – 40mA.

  • 5.0V: No-load speed – 5,000 RPM; Current – 45mA.

  • 6.0V: No-load speed – 6,000 RPM; Current – 47mA.

  • 8.0V: No-load speed – 8,000 RPM; Current – 55mA.

  • 12.0V: No-load speed – 12,500 RPM; Current – 60mA.

RK-370 Mini Motor Applications

The RK-370 motor is widely used in various industries due to its compact size, high efficiency, and reliable performance. Key applications include:

1. Household Appliances:

• Electric Shavers: Provides smooth and efficient operation for grooming tools.

• Handheld Fans: Powers compact fans for personal cooling.

• Air Purifiers: Drives fans for efficient air circulation.

• Massagers: Delivers consistent power for therapeutic devices like neck and eye massagers.

2. Kitchen Appliances:

• Blenders: Ensures efficient blending and mixing.

• Air Fryers: Powers fans for even heat distribution.

• Ice Cream Makers: Drives mixing mechanisms for smooth ice cream production.

3. Personal Care Devices:

• Electric Toothbrushes: Provides reliable power for effective cleaning.

• Facial Cleansers: Powers brushes for skincare routines.

• Hair Trimmers: Ensures precise cutting for grooming tools.

4. Industrial and DIY Projects:

• Robotics: Powers joints, arms, and other moving parts in robotic systems.

• Drones: Drives propellers for stable and efficient flight.

• Conveyor Systems: Provides reliable power for material handling.

5. Office Equipment:

• Printers: Drives paper feed mechanisms for smooth operation.

• Scanners: Powers scanning components for accurate results.

Q&A

Q1.What size shaft is a 370 brushed motor?

A:2mm diameter shaft is standard 370 brushed motor shaft size.

Q2:What is standard motor shaft diameter?

A:There is no uniform absolute numerical regulation for micromotor size standards, but generally there are the following types: 1mm, 2mm, 2.3mm, 3.175mm, 5mm.

Q3:What is the size of the smallest motor?

A:Ultra-micro: The diameter of some ultra-micro micromotors can be as small as 3.4mm, 4mm, etc., such as some linear motors or brushless motors used in small medical equipment, micro
robots, etc.

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.