Stepper motor
Ideal for 3D printers, CNC machines, or any other machine that requires reliable, high torque, incremental movement.
The three sizes of NEMA stepper motors here—NEMA 14, 17, and 23—refer to the size of the motor and hence the amount of torque that the motor is capable of; the larger the motor, the more torque (specific torque values are in the tables below).
Please note: while the NEMA 14 and 17 come with detachable cables terminating in female headers, the cable on the NEMA 23 is non-detachable and terminates in bare wires.
Specifications
NEMA 14 (35mm) | NEMA 17 (42mm) | NEMA 23 (57mm) | |
---|---|---|---|
Step angle | 1.8° | ||
Step angle accuracy | 1.8°±5% (full step, no load) | ||
Resistance accuracy | ±10% | ||
Inductance accuracy | ±20% | ||
Temperature rise | 80°C Max. (2 phase on) | ||
Ambient temperature | -20°C~+50°C | ||
Insulation resistance | 100MΩ Min. , 500VDC | ||
Shaft radial play | 0.02 Max. (450 g-load) | ||
Shaft axial play | 0.08 Max. (450 g-load) | ||
Max. radial force | 28N (20mm from the flange) | 75N (20mm from the flange) | |
Max. axial force | 10N | 15N | |
Rated current (Amps/phase) | 1.00 | 1.68 | 2.8 |
Holding torque (oz.in) | 25.0 | 62 | 175.0 |
Holding torque (kg.cm) | 1.8 | 4.4 | 12.6 |
Resistance (Ohms/phase) | 2.7 | 1.65 | 0.90 |
Inductance (mH/phase) | 4.0 | 3.6 | 2.5 |
Inertia (g.cm2) | 14 | 54 | 300 |
Detent torque (g.cm) | 100 | 150 | 400 |
Weight (kg) | 0.18 | 0.28 | 0.72 |
Dimensional drawing | link | link | link |
Torque curve diagram |
link | link | link |
Wiring
For the NEMA 14 and 17 stepper motors, the red (+) and blue (-) wires control bipolar driver A and the green (+) and black (-) bipolar driver B.
For the NEMA 23 stepper motor, the red (+) and green (-) wires control bipolar driver A and the yellow (+) and blue (-) wires control bipolar driver B.
Why not try it with Yukon?
Looking for a controller for your project? Yukon is a high-power modular robotics and engineering platform, built around RP2040 and designed to drive the most ambitious robots, props and devices.
Yukon is a standalone controller that can be equipped with up to six interchangeable modules capable of driving high-powered hardware - this is made possible by the unique pin capabilities of Raspberry Pi's multitalented RP2040 chip. This flexibility means you can drive many unique combinations of motors, servos, steppers, speakers, LED strips and more, all from a single Yukon host!
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NEMA 14 (35mm)
COM3300£14.50 -
NEMA 17 (42mm)
COM3301£10.00 -
NEMA 23 (57mm)
COM3302£20.00
Pick some accessories for your NEMA stepper motor!
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NEMA stepper motor mounting bracket – NEMA 17+ £1.75
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NEMA stepper motor mounting bracket – NEMA 23+ £2.00
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NEMA 17 damper+ £2.75
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Leadscrew with brass nut+ £10.00
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