Original Factory Size 20mm Hollow Shaft Stepper Motor - Nema 34 (86mm) hollow shaft stepper motors – Thinker
Original Factory Size 20mm Hollow Shaft Stepper Motor - Nema 34 (86mm) hollow shaft stepper motors – Thinker Detail:
>> Short Descriptions
Motor Type | Bipolar stepper |
Step Angle | 1.8° |
Voltage (V) | 3 / 3.6 |
Current (A) | 6 |
Resistance (Ohms) | 0.5 / 0.6 |
Inductance (mH) | 4 / 8 |
Lead Wires | 4 |
Holding Torque (N.m) | 4 / 8 |
Motor Length (mm) | 76 / 114 |
Ambient Temperature | -20℃ ~ +50℃ |
Temperature Rise | 80K Max. |
Dielectric Strength | 1mA Max. @ 500V, 1KHz, 1Sec. |
Insulation Resistance | 100MΩ Min. @500Vdc |
Hollow shaft stepper motor is typically used in the applications that require precision rotation movement and let something go through hollow shaft, such as cable, air, etc.
ThinkerMotion offers full range of rotary stepper motor (NEMA 8, NEMA11, NEMA14, NEMA17, NEMA23, NEMA24, NEMA34) with holding torque from 0.02N.m to 8N.m. Customizations can be processed per request, such as single/dual shaft extension, shaft end machining, magnetic brake, encoder, gearbox, etc.
>> Certifications
>> Electrical Parameters
Motor Size |
Voltage/ Phase (V) |
Current/ Phase (A) |
Resistance/ Phase (Ω) |
Inductance/ Phase (mH) |
Number of Lead Wires |
Rotor Inertia (g.cm2) |
Holding Torque (N.m) |
Motor Length L (mm) |
86 |
3 |
6 |
0.5 |
4 |
4 |
1300 |
4 |
76 |
86 |
3.6 |
6 |
0.6 |
8 |
4 |
2500 |
8 |
114 |
>> General technical parameters
Radial clearance |
0.02mm Max (450g load) |
Insulation resistance |
100MΩ @500VDC |
Axial clearance |
0.08mm Max (450g load) |
Dielectric strength |
500VAC, 1mA, 1s@1KHZ |
Max radial load |
200N (20mm from flange surface) |
Insulation class |
Class B (80K) |
Max axial load |
50N |
Ambient temperature |
-20℃ ~ +50℃ |
>> 86HK2XX-6-4B motor outline drawing
>> Torque-frequency curve
Test condition:
Chopper drive, no ramping, half micro-stepping, drive voltage 40V
Product detail pictures:

Related Product Guide:
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