Description:<br> JKM NEMA23 1.2 57 Hybrid Stepper Motor Three Phase 56mm\/79mm Motor <br>  <br> Specification:<br> Brand: JKong<br> Model: JK57H3P56-001， JK57H3P79-001<br> Motor length: 56mm\/ 79mm Diameter of axle: 6.35 m The front shaft length:26.6mm<br> Size: 57mm x 57mm x 56mm \/ 57mm  x 57mm  x 79mm<br> Outgoing line: 300mm (Plug is not included)<br> Certification:  CE<br> Scope: 3D Printers， Monitor Equipment， Medical Machinery， Textile Machinery， Packaging Machinery， Stage Lighting， ect.  Genaral Specification:               Item         Specifications               Step Angle         1.2                Temperature Rise         80\u2103max               Ambient Temperature         -20\u2103~+50\u2103               Insulation Resistance         100 M&amp;Omega;Min.， 500VDC               Dielectric Strength         500VAC for 1 minute               Shaft Radial Play         0.02Max. (450g-load)               Shaft Axial Play         0.08Max. (450g-load)               Max. radial force         75N (20mm from the flange)               Max. axial force         15N        Electrical Specification:               Model No.         Step Angle         Motor Length               Current           \/Phase                               Resistance           \/Phase                   Inductance           \/Phase             Holding Torque               # of Leads                         Detent Torque         Rotor Inertia         Mass               (  )         (L)mm          A         &amp;Omega;         mH         kg.cm         No.         g.cm         g.cm         Kg               JK57H3P56-001         1.2         56         5.6         0.7         1.7         9.0         4         400         300         0.75               JK57H3P79-001         1.2         79         5.8         1.05         2.4         15         4         680         480         1.01      <br><br>   Features:<br> High holding torque at high speed.<br> A stepper motor is an electric motor that is able to create sharp movements.<br> It is widely used in 3D printer， monitor \/ Medical\/Textile\/ Packaging Machinery， Stage Lighting，ect.  Package Included:1x 56mm\/79mm Stepper Motor <br>More Details: