{"title":"Stepper Motor 42BYG","handle":"stepper-motor-42byg","url":"/products/stepper-motor-42byg","description":"The 42BYG is a NEMA 17 bipolar stepper motor with a shaft-reversed design, commonly used in 3D printers, CNC machines, and DIY motion-control projects. With a 1.8° step angle and 40 N·cm holding torque, it provides reliable, precise positioning.\n\nThe motor comes with a 70 cm 4-lead wire (AWG26 UL1007) for easy connection to stepper drivers like the A4988 or DRV8825.\n\nSpecifications\n\n\nType: NEMA 17 bipolar, 2-phase\n\nStep Angle: 1.8° ± 5%\n\nVoltage: 4.2 V DC\n\nCurrent: 1.2 A per phase\n\nResistance: 8.8 Ω ± 10% per phase\n\nInductance: 6.0 mH ± 20% (1 kHz, 1 V rms)\n\nHolding Torque: 40 N·cm min\n\nDetent Torque: 2.6 N·cm max\n\nRotor Inertia: 57 g·cm²\n\nInsulation Resistance: 100 MΩ min (500 V DC)\n\nInsulation Class: B (130 °C)\n\nFaceplate: 43.2 × 43.2 mm (1.7 × 1.7″)\n\nLead Wire: 70 cm, 4-lead, AWG26 UL1007\n\n\nIdeal For\n\n3D printers and CNC machines\nRobotics and automation projects\nCamera sliders and pan-tilt rigs\n","vendor":"Little Bird","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":8094,"title":"Default Title","sku":"LB-LR0214-50","price":38.71,"on_sale":false,"in_stock":true,"available_quantity":12,"option1":"Default Title"}]}