You are here: Home » Products » Stepper Motor » Hybrid Stepper Motor » NEMA 42 Stepper Motor


Share to:
facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
sharethis sharing button

NEMA 42 Stepper Motor

NEMA 42 Stepper Motor inch)110x110 MM Series two-phase (four-phase ) stepper motor is a reliable choice for precision motion control in various applications. Its high torque output, precise positioning, and energy efficiency make them invaluable in industries like manufacturing, robotics, and 3D printing. As technology continues to evolve, these motors will play an essential role in shaping the future of automation and robotics.

  • 110H

  • CS

  • 8501109990

  • 110mm

  • 2 phase

  • 6A~8A


  • 115mm~201mm


High Torque NEMA 42 hybrid stepper motor made by the manufacturer&supplier -Cosda Automation

NEMA 42 Stepper Motor Description:

We're the professional hybrid stepper motor manufacturer.NEMA 42 refers to a standard motor frame size established by the National Electrical Manufacturers Association. This standardized sizing ensures compatibility and interchangeability between different manufacturers. NEMA 42 stepper motors have a faceplate of 4.2 inches (110 mm) and are available in various lengths to accommodate different torque and speed requirements.

NEMA 42 Hybrid Stepper motor made by the stepper motor manfacturer Cosda Automation has the following characters :

Small size NEMA 42 Stepper Motor 110mm hybrid stepper motor

Model: NEMA42, 110H

Phase: 2phase

Stepper Angle: 200 steps per revolution (1.8 deg/step)1.8º

Low Current

High Holding Torque

Lead wire no.: 4 wires

Speed: low or high speed

Shape: Square

NEMA 42 Stepper Motor Features:


Some of the main features of a NEMA 42 stepper motor include:

● High torque-to-size ratio

● Accurate positioning and repeatability

● Low power consumption

● Smooth and quiet operation

● Easy to control and program

● Available in a range of step angles and holding torques

NEMA 42 Stepper Motor Paramaters:

Step Angle----------------------------- 1.8°±5%

Temperature Rise-------------------------- 80℃ Max.

Insulation Resistant-------- 100MΩ Min.,500VDC

Dielectric Strength-------- 500VAC for one minute

Ambient Temperature ---------- —20~+50

Shaft Radial Play------------------------------- 0.02Max.(450 g-load)

NEMA 42 Stepper Motor Technical Specs:

Model No.

Rated Voltage




Holding Torque


No.of leads

Rotor Inertia


Signal shaft

Double Shaft

























































NEMA 42 Stepper Motor Dimensions :

NEMA 42 Stepper Motor Size

NEMA 42 Stepper Motor Wiring Diagram : 

4 wires

NEMA 42 Stepper Motor Wire Colors can be customized

The stepper motors can be customized according to the customers' requirements.

NEMA 42 Stepper Motor Customizable Factors:

● Motor Shaft

● Cable

● Connector

● Encoder

● Brake

● Gearbox

NEMA 42 Stepper Motor Data Sheet Download 

NEMA 42 Hybrid Stepper Motor.pdf

How Does a Stepper Motor Work?

Before diving into the specifics of the NEMA 42 stepper motor, it's essential to understand the basic principles behind stepper motor operation. Unlike traditional motors, stepper motors move in precise increments or steps. These steps are achieved through energizing coils in a particular sequence, causing the motor to rotate in precise angular increments.

Advantages of NEMA 42 Stepper Motors

NEMA 42 stepper motors offer numerous advantages that make them a preferred choice in various industrial and commercial applications. Some key benefits include:

● High Torque Output: NEMA 42 stepper motors deliver high torque even at low speeds, ensuring smooth and precise motion even under heavy loads.

● Precise Positioning: With their incremental steps, these motors excel in applications requiring accurate positioning, such as 3D printing and CNC machines.

● Low Power Consumption: Stepper motors draw power only when needed for movement, resulting in energy-efficient operation.

● Smooth Operation: The step-by-step motion of these motors ensures minimal vibrations and smoother performance.

Applications of NEMA 42 Stepper Motors

The versatility of NEMA 42 stepper motors finds applications in various industries. Some common uses include:

● CNC Machines: These motors drive the precise movements of cutting tools in computer numerical control (CNC) machines, enabling accurate and intricate designs.

● 3D Printers: NEMA 42 stepper motors power the X, Y, and Z axes of 3D printers, allowing the creation of detailed and intricate 3D objects.

● Robotics: In robotics, these motors enable precise control of robotic arms and movements, enhancing automation capabilities.

● Textile Machinery: Stepper motors find use in the textile industry for controlling looms and other machinery with precision.

● Medical Devices: The medical field benefits from stepper motors' accuracy in applications like precision syringe pumps and robotic surgical instruments.

Key Features of NEMA 42 Stepper Motors

High Torque Output

NEMA 42 stepper motors are known for their ability to generate high torque, making them suitable for applications requiring substantial force.

Precise Positioning

The incremental steps of these motors allow for precise positioning, crucial in tasks that demand accurate alignment.

Low Power Consumption

Stepper motors optimize power usage, consuming electricity only during movement, resulting in energy efficiency.

Smooth Operation

The step-by-step motion ensures smooth operation, reducing vibrations and noise, which is beneficial in many industrial settings.

Types of NEMA 42 Stepper Motors

There are two main types of NEMA 42 stepper motors: unipolar and bipolar.

Unipolar Stepper Motors

Unipolar stepper motors have a center-tapped coil for each phase, making them easier to control but typically offering lower torque compared to bipolar motors.

Bipolar Stepper Motors

Bipolar stepper motors have two coils per phase, providing higher torque output but requiring more complex control circuits.

Factors to Consider When Choosing a NEMA 42 Stepper Motor

When selecting a NEMA 42 stepper motor for a specific application, several crucial factors should be taken into account.

Torque Requirements

The torque requirements of the application should match or be well within the capabilities of the NEMA 42 stepper motor to ensure optimal performance.

Step Angle

The step angle determines the number of steps required for a complete rotation and affects the motor's resolution.

Holding Torque

The holding torque is the maximum torque the motor can produce when stationary, and it's crucial for applications requiring stability.

Power Supply

Choosing the right power supply ensures the stepper motor receives the required voltage and current for efficient operation.

Wiring and Connections of NEMA 42 Stepper Motors

Proper wiring and connections are crucial for the reliable functioning of stepper motors. Refer to the manufacturer's datasheet and follow the wiring diagram carefully to avoid issues during operation.

Controlling NEMA 42 Stepper Motors

To control NEMA 42 stepper motors, various methods can be employed:

Using Microcontrollers

Microcontrollers like Arduino and Raspberry Pi offer an excellent platform to control stepper motors with precision and flexibility.

Driver Circuits

Dedicated driver circuits, such as the A4988 or DRV8825, simplify the control of stepper motors, providing optimal current regulation and protecting the motor from damage.

Maintenance and Troubleshooting Tips for NEMA 42 Stepper Motors

Regular maintenance ensures the longevity and reliable performance of NEMA 42 stepper motors. Here are some essential tips:

● Keep the motor and its surroundings clean and free from debris.

● Check and lubricate moving parts as recommended by the manufacturer.

● Monitor the motor's temperature during operation to prevent overheating.

If you encounter issues with motor performance, refer to the manufacturer's troubleshooting guide or seek professional assistance to diagnose and resolve the problem effectively.

Future Trends in Stepper Motor Technology

As technology advances, stepper motors, including NEMA 42 models, are likely to see further improvements. Expect developments in materials, efficiency, and control mechanisms, leading to even more capable and adaptable stepper motors in the future.

FAQs for NEMA 42 Stepper Motor : 

1. Are NEMA 42 stepper motors suitable for high-speed applications?

NEMA 42 stepper motors are not primarily designed for high-speed applications. Their strengths lie in precise positioning and torque output at lower speeds.

2. Can I replace a traditional DC motor with a NEMA 42 stepper motor in my application?

It depends on the specific requirements of your application. Stepper motors are better suited for precise motion control, while traditional DC motors might be better for continuous rotation tasks.

3. How do I calculate the required torque for my NEMA 42 stepper motor?

The required torque depends on factors like the load's weight, friction, and desired acceleration. Consulting with motor experts and using torque calculation formulas will help determine the appropriate motor for your application.

4. Are NEMA 42 stepper motors suitable for battery-powered devices?

NEMA 42 stepper motors can work with battery-powered devices. However, it's essential to consider power consumption and select a motor that aligns with the available power source.

5. Where can I find NEMA 42 stepper motors for purchase?

NEMA 42 stepper motors are available from various industrial automation suppliers and online marketplaces. Ensure you buy from reputable sources to ensure product quality.

FAQs for the factory :

1. Are you a manufacturer?

Yes, we are manufacturer, and we produce Stepper Motor& Stepper Motor Driver,  Switching Power supply, Short Cycle Press Line and other automatic machines.

2. How to select models?

Before purchasing, please contact us to confirm model No. and drawings to avoid any misunderstanding.

3. Do you offer OEM & ODM service? 

Yes.We can supply OEM&ODM and make customized design for any specific application.

4. How can we know the product quality?

We suggest you ording a sample. And you can also send us email with detailed photos and specifications for checking if you cannot get enough information in the product page.

5. What's the delivery time?

Except special order.For samples usually 10-14 working days .For batch order .Usually 17-25days. For Stock motors usually 1~2 days.

Cosda Automation is a manufacturer of a wide variety of automatic products.



Consult Your Cosda Automation Experts

Contact us