Factory directly Size 28mm Hollow Shaft Stepper Motor - Nema 11 (28mm) hollow shaft stepper motors – Thinker
Factory directly Size 28mm Hollow Shaft Stepper Motor - Nema 11 (28mm) hollow shaft stepper motors – Thinker Detail:
>> Short Descriptions
Motor Type | Bipolar stepper |
Step Angle | 1.8° |
Voltage (V) | 2.1 / 3.7 |
Current (A) | 1 |
Resistance (Ohms) | 2.1 / 3.7 |
Inductance (mH) | 1.5 / 2.3 |
Lead Wires | 4 |
Holding Torque (N.m) | 0.05 / 0.1 |
Motor Length (mm) | 34 / 45 |
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) |
28 |
2.1 |
1 |
2.1 |
1.5 |
4 |
9 |
0.05 |
34 |
28 |
3.7 |
1 |
3.7 |
2.3 |
4 |
13 |
0.1 |
45 |
>> 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 |
20N (20mm from flange surface) |
Insulation class |
Class B (80K) |
Max axial load |
8N |
Ambient temperature |
-20℃ ~ +50℃ |
>> 28HK2XX-1-4B motor outline drawing
>> Torque-frequency curve
Test condition:
Chopper drive, no ramping, half micro-stepping, drive voltage 24V
>>About us
Please feel cost-free to send us your specifications and we’ll respond to you asap. We’ve got a professional engineering team to serve for the every single detailed needs. Free samples may be sent for you personally to know far more facts. So that you can meet your desires, please really feel cost-free to contact us. You could send us emails and call us straight. Additionally, we welcome visits to our factory from all over the world for much better recognizing of our corporation. In our trade with merchants of several countries, we often adhere to the principle of equality and mutual advantage. It is our hope to market, by joint efforts, both trade and friendship to our mutual benefit. We look forward to getting your inquiries.
Product detail pictures:
Related Product Guide:
Our firm since its inception, normally regards item top quality as company life, constantly make improvements to generation technology, improve product excellent and repeatedly strengthen organization total good quality management, in strict accordance with the national standard ISO 9001:2000 for Factory directly Size 28mm Hollow Shaft Stepper Motor - Nema 11 (28mm) hollow shaft stepper motors – Thinker , The product will supply to all over the world, such as: Malta, Czech republic, Cyprus, We integrate all our advantages to continuously innovate, improve and optimize our industrial structure and product performance. We will always believe in and work on it. Welcome to join us to promote green light, together we will make a better Future!
By Stephanie from Sydney - 2017.12.19 11:10
The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
By Nora from Congo - 2018.12.10 19:03