Plain Shaft NEMA 17 (42 MM) Stepper Motor
Technical Specifications
Motor Model42BYGH1102-B-20
Step Angle1.8°± 5%
Motor Length34.3mm (1.35 in) Max
Holding Torque280mN.m (39.6oz-in)
Rated Current0.84 A DC
Resistance per Phase5.75 ohm
Inductance per Phase9.3mH
Shaft End Length20mm (0.79 in)
Shaft TypePlain Shaft
Ambient Temperature-24ºC to +60ºC
Insulation Resistance> 100MΩ 500V DC
Dielectric Strength600V AC / 1S
Note: Pricing is decided by the motor's performance and parameters. Most importantly, it is decided by your specific requirements.
Payment Terms: T/T in advance, 30% deposit, 70% balance before shipment.
Series Comparison Table
| Series & Length |
Model Number |
Holding Torque (mNm / oz-in) |
Rated Current (A) |
Resistance (ohm) |
Inductance (mH) |
| 42BYGH0 (26mm) |
42BYGH001 |
120 / 17 |
0.3 |
42 |
48 |
| 42BYGH007 |
160 / 22.66 |
0.4 |
10.4 |
14 |
| 42BYGH1 (33mm) |
42BYGH104 |
275 / 38.94 |
0.4 |
40 |
35 |
| 42BYGH107 |
250 / 35.40 |
0.4 |
22 |
30 |
| 42BYGH2 (34mm) |
42BYGH202 |
220 / 31.15 |
0.5 |
30 |
37 |
| 42BYGH3 (40mm) |
42BYGH312 |
530 / 75.05 |
0.6 |
26 |
48 |
| 42BYGH4 (40mm) |
42BYGH412 |
420 / 59.47 |
1 |
6.7 |
9.8 |
| 42BYGH413 |
300 / 42.48 |
1 |
3.5 |
5 |
| 42BYGH11 (34mm) |
42BYGH1101 |
240 / 33.98 |
0.4 |
30 |
45 |
| 42BYGH1102 |
280 / 39.65 |
0.84 |
5.75 |
9.3 |
Frequently Asked Questions
What is the step angle of this NEMA 17 motor?
The motor features a standard step angle of 1.8°, with an accuracy of ± 5% per full step under no-load conditions.
Is this motor suitable for 3D printers?
Yes, this NEMA 17 (42mm) stepper motor is specifically designed and commonly used for 3D printers and similar CNC applications.
What type of shaft does this model have?
This specific model comes with a Plain Shaft, which has a length of 20mm (0.79 in).
What are the environmental operating limits?
The motor can operate in ambient temperatures ranging from -24ºC to +60ºC with a maximum relative humidity of 90%.
Can the motor parameters be customized?
Yes, all derived products can be customized based on your specific torque, current, or mechanical requirements.
What is the holding torque of the 42BYGH1102 model?
The 42BYGH1102 model provides a holding torque of 280 mN.m (approximately 39.6 oz-in).
Sweg Motor
