OEM Factory for Hollow Shaft Stepper - Nema 11 (28mm) hollow shaft stepper motors – Thinker
OEM Factory for Hollow Shaft Stepper - 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:
We have now a specialist, efficiency staff to provide good quality company for our consumer. We normally follow the tenet of customer-oriented, details-focused for OEM Factory for Hollow Shaft Stepper - Nema 11 (28mm) hollow shaft stepper motors – Thinker , The product will supply to all over the world, such as: Greek, Germany, Kuala Lumpur, During in 11 years,We have participated in more than 20 exhibitions,obtains the highest praise from each customer. Our company always aim to provide the customer best products with lowest price. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us. Join us, show your beauty. We will always be your first choice. Trust us, you will never lose heart.
By Barbara from Guyana - 2017.06.29 18:55
This company can be well to meet our needs on product quantity and delivery time, so we always choose them when we have procurement requirements.
By Olivia from Jakarta - 2017.09.28 18:29