42 mm (NEMA 17) Electrical Stepper Motor for 3D Printer

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42 mm (NEMA 17) Electrical Stepper Motor for 3D Printer

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Product Description

Basic Information

Model NO.

42BYGH1101-B-265L, 42BYGH1102-B-20

Number of Stator

Two-Phase

Excitation Mode

HB-Hybrid

Function

Driving

Number of Poles

Operate Mode

2 Phase-8 Parts

Type

Magnetic-Electric

Certification

ISO9001, RoHS, CE

Step Angle

1.8 Degree

Motor Length

34.3 mm Max

Shaft Type

Screw Shaft, Round Shaft

Usage

3D printer, CNC, Medical

Product Description

42 MM (NEMA 17) Electrical Motor for 3D Printer

Stepper motors, AC servo motors and brushless DC motors are available to be customized. This NEMA 17 series is widely used in ATM machines, digital scanners, stylus printers, plotters, slot machines, CD-ROM drivers, stage lighting, camera lenses, CNC machines, medical machines, and 3D printers for both industry and personal life.

High Torque

Low Noise

Small Size

Technical Specifications

Step Angle Accuracy

± 5% (full step, no load)

Holding Torque

240 mNm - 280mNm

Rated Current

0.4 A DC / 0.84 A DC

Ambient Temp

-24 ºC to +60 ºC

Insulation Resistance

100 mΩ Min. 500 V DC

Dielectric Strength

600 V AC for 1S

Note: Performance and parameters can be customized. Pricing is determined by the motor's performance requirements and parameters. Please contact us for the latest price list based on your specific requirements.

Series Performance Data

Model Number	Length (mm)	Holding Torque (mNm)	Rated Current (A)	Resistance (ohm)	Inductance (mH)
42BYGH001	26	120	0.3	42	48
42BYGH007	26	160	0.4	10.4	14
42BYGH104	33	275	0.4	40	35
42BYGH202	34	220	0.5	30	37
42BYGH312	40	530	0.6	26	48
42BYGH1101	34	240	0.4	30	45
42BYGH1102	34	280	0.84	5.75	9.3

Frequently Asked Questions

What is a NEMA 17 stepper motor?

NEMA 17 is a standard size for stepper motors, meaning the mounting face is 1.7 x 1.7 inches (approx. 42 x 42 mm). It is the most popular size for 3D printers and small CNC machines.

Can I customize the shaft length?

Yes, we offer customization for shaft lengths (such as 265mm screw shafts or 20mm round shafts), connectors, and electrical parameters to meet your specific project needs.

What is the difference between 42BYGH1101 and 42BYGH1102?

The main differences are the rated current and holding torque. The 1101 model uses 0.4A with 240mNm torque, while the 1102 model uses 0.84A to achieve a higher torque of 280mNm.

Are these motors RoHS compliant?

Yes, all raw materials and production processes comply with RoHS standards. We are also ISO9001 certified for quality management.

What payment terms do you accept?

Our standard terms are T/T in advance, requiring a 30% deposit and the remaining 70% balance before shipment.

What applications are these motors suitable for?

They are ideal for high-precision devices including 3D printers, medical equipment, CNC machinery, stage lighting, and automated teller machines (ATM).