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Nema 17 Stepper Motor 1PC/3PCS/5PCS, 2 Phase Step Motor Bipolar 1.5A 59.5oz.in(42Ncm) 42x42x38mm 4-Wire 30cm Long Cable for 3D Printer (1, 42A02C-Dupont)

4.7 out of 5 stars 107 ratings

$9.20
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Item Package Quantity: 1
Size: 42A02C-Dupont
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Purchase options and add-ons

Brand RTELLIGENT
Product Dimensions 1.65"W x 1.65"H
Material Alloy Steel
Manufacturer RTELLIGENT
UPC 791315155614

About this item

  • Nema 17 stepper motor with 0.42Nm holding torque
  • Bipolar stepper motor 42*42*38mm, 2 phase
  • With built-in 30cm cable, 4-wire
  • Rated current 1.5A & resistance 2.4ohms, 1.8 degree
  • Low noise high speed 3d printer stepper motor

Frequently bought together

This item: RTELLIGENT Nema 17 Stepper Motor 1PC/3PCS/5PCS, 2 Phase Step Motor Bipolar 1.5A 59.5oz.in(42Ncm) 42x42x38mm 4-Wire 30cm Long Cable for 3D Printer (1, 42A02C-Dupont)
$9.20
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Product details

  • Product Dimensions ‏ : ‎ 1.65 x 1.65 x 1.65 inches; 10.23 ounces
  • Date First Available ‏ : ‎ October 29, 2019
  • Manufacturer ‏ : ‎ RTELLIGENT
  • ASIN ‏ : ‎ B0817T3X5F
  • Customer Reviews:
    4.7 out of 5 stars 107 ratings

Product Description

Shenzhen Rtelligent Mechanical and Electrical Technology Co., Ltd is a manufacturer which has full motion controlling products including motion controller, stepper servo drive, stepper servo motor, stepper drive and stepper motor with well-equipped testing facilities and strong technical power.

With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in textile, package, printing, carving, advertising, laser, electron and other Automatic industries.Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs by the innovation of our R&D team.

We welcome new and old customers from all walks of life to consult us for future business relationships and mutual success!

42A02C

Nema 17 Stepper Motor 1.5A 59.5oz.in(42Ncm)

  • General specification
  • Step accuracy: ±5%(synchronizing, no-load)
  • Temperature rise: 80℃Max
  • Ambient temperature: -10℃—+50℃
  • Insulation resistance: 100MΩmin.500VDC
  • Voltage resistance: 500VAC for one minute
  • Radial runout: 0.06Max.(450g-load)
  • Axial runout: 0.08Max.(450g-load)

Electrical Specifications of Step Motor

Product Model 42A02C
Step Angle 1.8°±5% (full step no-load)
Rated Current 1.5A
Phase 2
Number of Lead 4
Holding Torque 59.5oz.in(42Ncm)
Phase Resistance 2.4Ohm ± 15%
Phase Inductance 3.7mH ± 20%
Rotor Inertia 57.3g.cm²
Motor Size 42x42x38mm
Shaft Diameter 4.5mm

Dimensions of stepper motor

 Application

Warning

Warning: Make sure the motor is connected to a constant current or chopper drive controller before testing. Connecting the motor directly to a power supply will destroy it.

Package Contents:

1 x 42A02C Stepper Motor

1 x 42A02C Dupont Cable

1 x 42A02C User Manual

Noted:

If you encounter technical problems during use, please be sure to ask us! We will solve the problem for you.

When you are unable to consult us, please be sure to consult Amazon Buyer Services for help. Thank you!

42A02C
42A02
42A03
42A08
Customer Reviews
4.7 out of 5 stars 107
4.3 out of 5 stars 6
3.9 out of 5 stars 3
4.7 out of 5 stars 31
Price $24.99 $12.00 $11.99 $20.99
Holding Torque 42Ncm/59.5oz.in 36Ncm/56.0oz-in 56Ncm/79.33oz-in 68Ncm /96.33oz-in
Rated Current 1.5A 1.5A 2.0A 2.0A
Shaft Diameter 4.5mm 5mm 5mm 5mm
Motor body length 42x42x38mm 42x42x40mm 42x42x48mm 42x42x60mm
Shaft Length ( L1) 24mm 24mm 24mm 24mm
RTELLIGENT

RTELLIGENT

WE CAN PROVIDE PERFECT SOLUTION FOR YOUR MOTION REQUEST!

Customer reviews

4.7 out of 5 stars
107 global ratings

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Customers say

Customers find these stepper motors to be of good build quality and high torque. They operate efficiently, with one customer noting they function well with an A4988 stepper driver, and another mentioning they run at less than 4V. Customers consider them excellent value for money.

AI-generated from the text of customer reviews

4 customers mention "Value for money"4 positive0 negative

Customers find the stepper motor to be an excellent value, with multiple customers noting that three units are working great.

"...this is an excellent value." Read more

"Great replacement on my Tronxy X5SA filament printer. works great at a very reasonable price." Read more

"...All three are working great. The packaging and document that came with them was high quality." Read more

"Good price on nice steppers..." Read more

3 customers mention "Build quality"3 positive0 negative

Customers find these stepper motors well-made, with one customer noting they hold up stronger than expected.

"This motor is well-made but somewhat unusual...." Read more

"...The packaging and document that came with them was high quality." Read more

"Nice quality stepper motors. Hold a lot stronger than the original ones on my 3D printer...." Read more

3 customers mention "Power consumption"3 positive0 negative

Customers appreciate the motor's power consumption, with one customer noting it operates at less than 4V and functions well with an A4988 stepper driver.

"...It has a very low resistance winding and operates at less than 4V. Given its high torque, the phase current is a bit high at 1.2 A at slower speeds...." Read more

"...Torque - Quick shipping and great products works as expected with Low power but high torque and efficiency." Read more

"This Nema 17 stepper provides plenty of torque and functions well an A4988 stepper driver attached to an Arduino Nano microcontroller." Read more

3 customers mention "Torque"3 positive0 negative

Customers appreciate the motor's high torque, with one customer noting its very low resistance winding.

"This motor is well-made but somewhat unusual. It has a very low resistance winding and operates at less than 4V. Given its high torque, the phase..." Read more

"RTELLIGENT Stepper motor for Arduino Automatic Fish Feeder - Great Torque - Quick shipping and great products works as expected with Low power but..." Read more

"This Nema 17 stepper provides plenty of torque and functions well an A4988 stepper driver attached to an Arduino Nano microcontroller." Read more

Great Product and super fast shipping!
5 out of 5 stars
Great Product and super fast shipping!
I bought these motors to replace the extruder motor in my new Creality Ender 3 Pro 3D Printers. The motors they are shipping with the printers now have a round output shaft that does not stick up above the feed gear on the motor shaft with the feed gear pressed onto the shaft. This makes it very difficult to change the feed gear if you need to, and with no shaft sticking above the gear, you cannot add an extruder knob to manually feed filament into your print head. These new motors have an output shaft with a flat on one side that is 10mm longer than the one on the stock motor that comes on the machines now. I am now able to use my own feed gears AND put an extruder knob onto the shaft. The 5-pack of motors came well packed in a nice box with a foam insert with die-cut openings for the motors. The new motors have the same step size and turn the same direction as the stock motor, so I did not have to make any changes to the printer firmware. Best of all, I got the motors in just 2 days with regular free shipping which was a great surprise! Overall, I am very happy with these new motors for my printers.
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Top reviews from the United States

  • Reviewed in the United States on March 28, 2023
    Item Package Quantity: 3Size: 42A02C-XH2.54Verified Purchase
    This motor is well-made but somewhat unusual. It has a very low resistance winding and operates at less than 4V. Given its high torque, the phase current is a bit high at 1.2 A at slower speeds. Most of the steppers I have used have operated on at least 6V at currents of 600mA or less. If you need a high-torque, 200-step motor and you have a source that can supply 1.5 A at 4 or less motor Volts (about 6 Volts input to an H-bridge by the time you deduct the losses from the high- and low-side transistors), this is an excellent value.
    One person found this helpful
    Report
  • Reviewed in the United States on March 13, 2025
    Item Package Quantity: 1Size: 42A02C-DupontVerified Purchase
    Great replacement on my Tronxy X5SA filament printer. works great at a very reasonable price.
  • Reviewed in the United States on April 14, 2022
    Item Package Quantity: 5Size: 42A02C-XH2.54Verified Purchase
    I bought these motors to replace the extruder motor in my new Creality Ender 3 Pro 3D Printers. The motors they are shipping with the printers now have a round output shaft that does not stick up above the feed gear on the motor shaft with the feed gear pressed onto the shaft. This makes it very difficult to change the feed gear if you need to, and with no shaft sticking above the gear, you cannot add an extruder knob to manually feed filament into your print head.

    These new motors have an output shaft with a flat on one side that is 10mm longer than the one on the stock motor that comes on the machines now. I am now able to use my own feed gears AND put an extruder knob onto the shaft.

    The 5-pack of motors came well packed in a nice box with a foam insert with die-cut openings for the motors. The new motors have the same step size and turn the same direction as the stock motor, so I did not have to make any changes to the printer firmware. Best of all, I got the motors in just 2 days with regular free shipping which was a great surprise! Overall, I am very happy with these new motors for my printers.
    Customer image
    5.0 out of 5 stars
    Great Product and super fast shipping!

    Reviewed in the United States on April 14, 2022
    I bought these motors to replace the extruder motor in my new Creality Ender 3 Pro 3D Printers. The motors they are shipping with the printers now have a round output shaft that does not stick up above the feed gear on the motor shaft with the feed gear pressed onto the shaft. This makes it very difficult to change the feed gear if you need to, and with no shaft sticking above the gear, you cannot add an extruder knob to manually feed filament into your print head.

    These new motors have an output shaft with a flat on one side that is 10mm longer than the one on the stock motor that comes on the machines now. I am now able to use my own feed gears AND put an extruder knob onto the shaft.

    The 5-pack of motors came well packed in a nice box with a foam insert with die-cut openings for the motors. The new motors have the same step size and turn the same direction as the stock motor, so I did not have to make any changes to the printer firmware. Best of all, I got the motors in just 2 days with regular free shipping which was a great surprise! Overall, I am very happy with these new motors for my printers.
    Images in this review
    Customer imageCustomer image
    2 people found this helpful
    Report
  • Reviewed in the United States on March 13, 2021
    Item Package Quantity: 3Size: 42A02C-DupontVerified Purchase
    RTELLIGENT Stepper motor for Arduino Automatic Fish Feeder - Great Torque - Quick shipping and great products works as expected with Low power but high torque and efficiency.
  • Reviewed in the United States on November 2, 2022
    Item Package Quantity: 3Size: 42A02C-DupontVerified Purchase
    I am not sure what else you can say about a standard stepper motor. All three are working great. The packaging and document that came with them was high quality.
    One person found this helpful
    Report
  • Reviewed in the United States on May 31, 2023
    Item Package Quantity: 5Size: 42A02C-DupontVerified Purchase
    Disfrutando y proximo a desarrollo de un buen proyecto que el respaldo de esta compra.
    Report
  • Reviewed in the United States on March 20, 2021
    Item Package Quantity: 3Size: 42A02C-DupontVerified Purchase
    This Nema 17 stepper provides plenty of torque and functions well an A4988 stepper driver attached to an Arduino Nano microcontroller.
    2 people found this helpful
    Report
  • Reviewed in the United States on February 28, 2020
    Item Package Quantity: 5Size: 42A02C-XH2.54Verified Purchase
    Nice quality stepper motors. Hold a lot stronger than the original ones on my 3D printer. If you plug these in and they don't work try switching the center two wires green and blue.
    6 people found this helpful
    Report