Rotary Stepper Motor

NEMA 14 (35mm)

With a compact design and robust performance, NEMA 14 stepper motors are well-suited for applications in 3D printers, camera gimbals, and laboratory automation. Their moderate size and torque output make them adaptable to diverse tasks requiring precise motion control and positioning accuracy.

Encoders available upon request.

Additional Product Details

General
Accuracy Step angle 1.8°±5%
Resistance ±10% / 20°C
Inductance ±20% / 1KHz
Insulation class B
Duty type S1
Dielectrical strength 500 VAC / 1 KHz / 1 mA / 1 s
Insulation resistance 100 MΩ / 500 VDC
Permissible radial load
(5MM distance from mounting surface)		 Permissible radial load
(10MM distance from mounting surface)		 Permissible radial load
(15MM distance from mounting surface)		 Permissible radial load
(20MM distance from mounting surface)
50N 40N 25N 20N
Parameter
Type Current
(A [RMS])		 Resistance
(Ω)		 Inductance
(mH)		 Holding Torque
(N·m)		 Rotor Inertia
(g·cm2)		 Length
(mm)		 Mass
(g)
14H2027 0.5 9.2 7.4 0.1 12 27 150
14H2037 1.5 1.65 2.1 0.2 20 37 210
14H2052 1.5 2.65 4.1 0.4 35 52 250
Material
End bell Aluminum alloy
Bearing Deep groove ball bearing
Magnet Sintered NdFeB
Shaft Stainless steel
Wiring UL 3265, 26 AWG

All speed / torque curves below are generated using 8:1 microstepping setting on driver. (Click to enlarge)

Frame Material Metal
No Load Backlash 1°
Bearings Ball Bearing
Ratio Rated Torque
(Kgf-cm)		 Limit Torque
(Kgf-cm)		 Stages Efficiency
(%)		 Length
(mm)		 Mass
(g)
3.3 5 15 1 90 16.2 90
4.6
11.2 10 30 2 81 21.9 115
15.5
21.5
37.7 25 75 3 73 27.7 140
72
Rated Voltage DC24V ±5%
Resistance 217Ω ±10%
Output 4W
Hold Torque >0.3 Nm
Insulation Class B
Insulation Resistance >100MΩ (DC500V)
Dielectrical Strength 1 sec by AC1000V
Armature Attraction Period 50ms
Armature Releasing Period 50ms
Backlash 1°
Rated Life of Brake In Motion 200 times
Rated Life of Brake - Non-Moving 2,000,000 times
Noise Level <60db

Part Number Construction

Please choose the right part number by following the guidelines below.

Part Number Component Description
1. Motor Size
Motor Size [mm] 14 20 28 35 42 57 60 86
Motor Size [NEMA] 6 8 11 14 17 23 24 34
2. Basic Structure H = Normal
P = IP54
W = Enhanced
** For IP65, please contact DINGS' for more information
3. Motor Step Angle [°] 1 = 3°
2 = 1.8°
3 = 1.2°
4 = 0.9°
5 = 0.72°
6 = 0.36°
4. Motor Length [mm]
5. Rated Current XXX = Rated current × 100 (A)
6. Wiring Number 3,4,5,6,8
7. Shaft Configuration A = Single Shaft
B = Dual Shaft
* Shaft dimension and D-Cut customization, please contact DINGS'
8. Wiring Method L = Flying Lead Wire
T = Integrated Connector
C = Cable
* If customer has special requirement for connector and cable, please inform DINGS'
9. Option GR = Planetary Gearbox Ready
BR = Brake Ready
ER = Encoder Ready
PG = Planetary Gearbox, Refers to the Part Number of Gearbox with Ratio
DG = DINGS' Gearbox
FB = Power off brake, NB = Power on Brake
EKX = Encoder (X = Encoder Resolution)
* DINGS' can customize shafts and covers to be ready to assemble Gearbox, Brake or Encoder by customers, according to customer's requirements by drawing.
* DINGS' has standard planetary gearbox options. Please see product details
* Power-Off Brake is available for Motor size 28, 35, 42, 57 and 60mm
10. Customer Sequence Number
Example
EXAMPLE 17H2061-120-4BT-GR-01
Description Size 42mm
Normal Structure
Step Angle 1.8°
Motor Body Length 61mm
Rated Current 1.2A
4 Wiring Leads
Dual Shaft
Wiring Method is Integrated Connector
Gearbox Ready
Customization Sequence Code 01

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