Description:
JKM Nema 17 0.9 Degree 42 Two Phase Hybrid Stepper Motor 40mm 1.68A For CNC Router

Specification: Brand: JKM
Model Number: JK42HM40-1684
Diameter of axle: 5mm
Motor length: 40mm
Boundary Dimension:42*42mm
Size: 42mm x 42mm x 40mm Holding Torque:3.3Kg.cm
Certification: CE Scope: 3D Printers， Monitor Equipment， Medical Machinery， Textile Machinery， Packaging Machinery， Stage Lighting，ect.
Genaral Specification: Item Specifications Step Angle 0.9 Temperature Rise 80\u2103max Ambient Temperature -20\u2103~+50\u2103 Insulation Resistance 100 M!#!amp!*!Omega; Min. ，500VDC Dielectric Strength 500VAC for 1minute Shaft Radial Play 0.02Max. (450g-load) Shaft Axial Play 0.08Max. (450g-load) Max. radial force 28N (20mm from the flange) Max. axial force 10N Electrical Specification: Model No. Step Angle Motor Length Rate Voltage Current \/Phase Resistance \/Phase Inductance \/Phase Holding Torque # of Leads Detent Torque Rotor Inertia Mass ( ) (L)mm V A !#!amp!*!Omega; mH kg.cm No. g.cm g.cm Kg JK42HM40-1684 0.9 40 2.8 1.68 1.65 3.2 3.3 4 220 54 0.28


Package Included:
1x Stepper Motor

More Details: