Product Name: NEMA 17 Gear Stepper Motor 42 Motor Ratio Planetary Gearbox Stepper Motor Model NO.: 42SHD0404-27G Brand: Casun Certification: ISO9001, CCC, Ce Type: Hybrid Excitation Mode: HB-Hybrid Number of Stator: Two-Phase Speed: Low Speed Trademark: Casun Transport Package: Shipping Time: 15-25 Business Days Specification: 42*42*48 Origin: Guangzhou, Guangdong, China HS Code: 8501109990 Product Description Description:Casun Nema 17 Extruder Gear Stepper Motor 42 Motor Ratio Planetary Gearbox Stepper MotorCertification:CE,ROSH,ISOSpecification:Product Model42SHDStepper Motor Length48mmShaft Size"D" Shaft 16x8mmMotor LeadPlugIncluding Wire350MM Dupoint WireGear Reducer RatioGearbox Model3.71-15.18-114-119-127-151-1Reduction3.715.1814192751Gearbox Length292937373745Planetary Gear Reducer Technical ParametersInternal Gear Material45# SteelOutput Bearing FormBall BearingsRadial Load≤35NAxial Load≤25NRadial Clearance≤0.04mmAxialClearance≤0.03mmBacklash(No Load)≤2°Note: ThePlanetary Gearbox Stepper MotorHoldingTorque= Stepper MotorHoldingTorque *Reduction * 0.8Warning: The Gear Box Can Bear Less Than 16 N.MTorqueStepper Motor Electrical Specifications:Model No.StepAngleMotorLengthRatedCurrentResistance/PhaseInductance/PhaseHoldingTorqueDetentTorqueInertia OfRotor Lead( °)(L)mm(A)(Ω)(mH)(N.cm)(N.cm)(G.cm²)(No.)42SHD04041.8481.81.83.2452.6684Applications:Used for robots stepper motor,Electronic automatic equipment stepping motor,Medical instrument stepping motor,Advertising instrument stepper motor,Lighting& audio equipment stepper motor,Printer stepper motor, textile machinery stepper motor,Cnc router stepper motor.3D printer