• Changzhou Hetai Motor And Electric Appliance Co., Ltd.
    Rod S****
    I purchased the 3-pack of the smaller steppers for my current ender 3 pro project. For my applications, they work perfectly. It's a great deal for quality motors, and I'm going to purchase another 10 packs.
  • Changzhou Hetai Motor And Electric Appliance Co., Ltd.
    Sam N***
    These are great motors and they are very strong. They are operating quietly, and also need them to release their hold every time a move is complete.
  • Changzhou Hetai Motor And Electric Appliance Co., Ltd.
    Jim S**
    Please develop more low noise gearbox and with better prices, so we can sell your products to more clients and gain larger markets. Thank you.
Contact Person : Nora
Whatsapp : +8618661153149

90 Frameless Motor Voltage 24VDC Speed 400RPM For Robotic Arms Etc

Place of Origin China
Brand Name Hetai
Certification CE ROHS ISO
Model Number E90BL-WK
Minimum Order Quantity 50
Packaging Details Carton with Inner Foam Box, Pallet

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Whatsapp:0086 18588475571

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Product Details
Type Servo Frameless Motor Frame Size 90 Mm
Dc Link Voltage 28 VDC No Of Poles 16 Poles
Rated Current 0.5 A Rated Speed 400 Rpm
Rated Torqueass 0.18NM Weight 0.22 Kg
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Robotic Arms Frameless Motor


24VDC Frameless Motor


400RPM Frameless Motor

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Product Description

Product Description:

Compact and Lightweight Design

  • Small Size: With a diameter of 90 mm and a height of 15 mm, it is suitable for installation in space-constrained environments, such as precision instruments and small robots.
  • Lightweight: Weighing only 0.22 kg, it is easy to integrate into various devices, reducing the overall system weight and enhancing the equipment’s mobility and performance.

Precise Positioning

  • Moderate Speed: The 400 RPM speed is ideal for achieving high-precision positioning and motion control.

Smooth Operation

  • Low Vibration and Noise: The lower speed helps minimize vibration and noise, providing smooth and stable operation.


Moderate voltage and current: The 28V DC voltage and 0.5A current rating provide a good balance between energy consumption and performance for a wide range of application environments, ensuring efficient operation with low energy consumption.

Run smoothly:The 400 RPM speed rating allows the motor to provide highly accurate positioning and motion control, ideal for applications requiring precise operation, such as robot arms, automation equipment and precision machining.

Low noise and vibration: The moderate speed and frameless design reduces vibration and noise in mechanical transmissions, providing a smooth and stable running experience that contributes to the overall performance of the equipment and the user's operating comfort.

Technical Parameters:

Type Servo Frameless Motor
Rated torque 0.18NM
Frame Size 90 Mm
No Of Poles 16 Poles
Dc Link Voltage 28 VDC
Weight 0.22 Kg
Rated Speed 400 Rpm
Rated Current 0.5 A


Drawing data:

90 Frameless Motor Voltage 24VDC Speed 400RPM For Robotic Arms Etc 0


Frameless motors are used in a wide range of applications.


Robotics: Commonly used to drive robot joints, providing high-precision motion control and responsiveness. The lightweight and compact design makes it suitable for use in collaborative robots, enhancing their flexibility and safety.


Automation equipment: Used to drive and control precision mechanical components in automated assembly lines, ensuring high production efficiency and precision.


Medical devices: The use of frameless motors in surgical robots provides high-precision control and enhances the precision and safety of surgery.


Laboratory equipment: Precision measuring instruments, analytical instruments, etc. Provide precise motion control in laboratory equipment that requires high precision and stability, such as precision positioning stages.


90 Frameless Motor Voltage 24VDC Speed 400RPM For Robotic Arms Etc 1


The 90 mm diameter design of the frameless torque motor is suitable for use in a wide range of demanding applications due to its compactness, efficiency, precision and reliability, meeting the needs of various industries for high performance and precision control. 


Servo Motor Assembly Line

90 Frameless Motor Voltage 24VDC Speed 400RPM For Robotic Arms Etc 290 Frameless Motor Voltage 24VDC Speed 400RPM For Robotic Arms Etc 3