NEMA23 high torque round Hb stepper motor for 3D printer 57HY51 - 0426Item Specifications:Step Angle 1.8degreeTemperature Rise 80. C Max.Ambient Temperature -20. C~+50. CInsulation Resistance 100MΩ Min., 500VDCDielectric Strength 500VAC for one minuteShaft Radial Play 0.02Max. (450 g-load)......
| Model No. | Step Angle | Motor Length | Current /Phase | Resistance /Phase | Inductance /Phase | Holding Torque | # of Leads | Detent Torque | Rotor Inertia | Mass |
| ( °) | (L)mm | A | Ω | mH | kg.cm | No. | g.cm | g.cm | Kg | |
| JK57HY41-1106 | 1.8 | 41 | 1.1 | 3.6 | 3.6 | 2.88 | 6 | 180 | 57 | 0.18 |
| JK57HY41-0406 | 1.8 | 41 | 0.4 | 30 | 30 | 2.88 | 6 | 180 | 57 | 0.18 |
| JK57HY41-1564 | 1.8 | 41 | 1.56 | 1.8 | 3.6 | 4 | 4 | 180 | 57 | 0.18 |
| JK57HY51-0856 | 1.8 | 51 | 0.85 | 7.1 | 9 | 4.97 | 6 | 350 | 110 | 0.35 |
| JK57HY51-0426 | 1.8 | 51 | 0.42 | 29 | 36 | 4.97 | 6 | 350 | 110 | 0.35 |
| JK57HY51-2804 | 1.8 | 51 | 2.8 | 0.85 | 2.1 | 6.9 | 4 | 350 | 110 | 0.35 |
| JK57HY56-1206 | 1.8 | 56 | 1.2 | 5 | 8 | 6 | 6 | 420 | 135 | 0.42 |
| JK57HY56-0606 | 1.8 | 56 | 0.6 | 20 | 32 | 6 | 6 | 420 | 135 | 0.42 |
| JK57HY56-2554 | 1.8 | 56 | 2.55 | 1.1 | 3.6 | 8.4 | 4 | 420 | 135 | 0.42 |
| JK57HY76-1506 | 1.8 | 76 | 1.5 | 3.6 | 6 | 9 | 6 | 720 | 200 | 0.72 |
| JK57HY76-0686 | 1.8 | 76 | 0.68 | 17.7 | 30 | 9 | 6 | 720 | 200 | 0.72 |
| JK57HY76-3304 | 1.8 | 76 | 3.3 | 0.85 | 3 | 12.5 | 4 | 720 | 200 | 0.72 |




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