China Gold Supplier for Stepping Motor With Hollow Shaft - Nema 8 (20mm) hollow shaft stepper motors – Thinker
China Gold Supplier for Stepping Motor With Hollow Shaft - Nema 8 (20mm) hollow shaft stepper motors – Thinker Detail:
>> Short Descriptions
Motor Type | Bipolar stepper |
Step Angle | 1.8° |
Voltage (V) | 2.5 / 6.3 |
Current (A) | 0.5 |
Resistance (Ohms) | 5.1 / 12.5 |
Inductance (mH) | 1.5 / 4.5 |
Lead Wires | 4 |
Holding Torque (N.m) | 0.02 / 0.04 |
Motor Length (mm) | 30 / 42 |
Ambient Temperature | -20℃ ~ +50℃ |
Temperature Rise | 80K Max. |
Dielectric Strength | 1mA Max. @ 500V, 1KHz, 1Sec. |
Insulation Resistance | 100MΩ Min. @500Vdc |
>> 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) |
20 |
2.5 |
0.5 |
5.1 |
1.5 |
4 |
2 |
0.02 |
30 |
20 |
6.3 |
0.5 |
12.5 |
4.5 |
4 |
3 |
0.04 |
42 |
>> 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 |
15N (20mm from flange surface) |
Insulation class |
Class B (80K) |
Max axial load |
5N |
Ambient temperature |
-20℃ ~ +50℃ |
>> 20HK2XX-0.5-4B motor outline drawing
>> Torque-frequency curve
Test condition:
Chopper drive, no ramping, half micro-stepping, drive voltage 24V
>> About us
Our products are produced with the best raw materials. Every moment, we constantly improve the production programme. In order to ensure better quality and service, we have been focusing on the production process. We have got high praise by partner. We are looking forward to establishing business relationship with you.
Should any of these items be of interest to you, please let us know. We’ll be satisfied to give you a quotation upon receipt of one’s detailed specifications. We have our personal experienced R&D enginners to meet any of one’s requriements, We appear forward to receiving your enquires soon’and hope to have the opportunity to work together with you in the future. Welcome to check out our company.
Product detail pictures:
Related Product Guide:
We constantly believe that one's character decides products' high quality, the details decides products' high-quality ,together with the REALISTIC,EFFICIENT AND INNOVATIVE crew spirit for China Gold Supplier for Stepping Motor With Hollow Shaft - Nema 8 (20mm) hollow shaft stepper motors – Thinker , The product will supply to all over the world, such as: Bulgaria, New Zealand, Uruguay, Our company is working by the operation principle of "integrity-based, cooperation created, people oriented, win-win cooperation". We hope we can have a friendly relationship with businessman from all over the world
By Alexia from Maldives - 2017.08.21 14:13
The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!
By Nicola from Jeddah - 2017.11.20 15:58