{"product_id":"nema-23-cnc-stepper-motor-425oz-in-bipolar-18deg-4","title":"Nema 23 CNC Stepper Motor 425oz-in Bipolar 1.8deg 4.2A Stepping Motor for Extruder CNC 3D Printer DIY Milling Lathe Router","description":"\u003cdiv\u003e\n\u003cp\u003eSingle Nema 23 high-torque bipolar stepping motor with 425 oz-in torque\u003cbr\u003e\n✔️ 425 oz-in holding torque, 4.2 A\/phase, 11.81 in lead cable\u003c\/p\u003e \u003cp\u003eThis Nema 23 CNC stepper motor delivers high torque for extruders, CNC mills, 3D printers, and automation projects. It’s a solid choice for driving axes in hobby machines requiring precise, steady motion.\u003c\/p\u003e ✅ Holding torque: 425 oz-in (3 Nm)\u003cbr\u003e\n✅ Rated current per phase: 4.2 A\u003cbr\u003e\n✅ Phase resistance: 0.9 ohms\u003cbr\u003e\n✅ Inductance: 3.8 mH ±20% (1 kHz)\u003cbr\u003e\n✅ Step angle: 1.8° (200 steps\/rev)\u003cbr\u003e\n✅ Frame size: 57 x 57 mm (2.24 x 2.24 in)\u003cbr\u003e\n✅ Body length: 113 mm (4.45 in)\u003cbr\u003e\n✅ Shaft diameter: 10 mm (0.39 in)\u003cbr\u003e\n✅ Shaft length: 24 mm (0.94 in)\u003cbr\u003e\n✅ Lead length: 300 mm (11.81 in)\u003cbr\u003e\n✅ Weight: 1.8 kg (63.49 oz)\u003cbr\u003e\n✅ Leads: 4, 11.81 in cable; color coding A+\/A-, B+\/B-\u003cbr\u003e\n✅ Connection: Black(A+), Green(A-), Red(B+), Blue(B-)\u003cbr\u003e\n✅ Manufacturer part: 23HE45-4204S\u003cbr\u003e\n✅ Warning: use a constant current or chopper drive to test (not direct power)\u003cbr\u003e \u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse; width:60%;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003cth\u003eMetric\u003c\/th\u003e\n\u003cth\u003eInches\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame size\u003c\/td\u003e\n\u003ctd\u003e57 x 57 mm\u003c\/td\u003e\n\u003ctd\u003e2.24 x 2.24 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody length\u003c\/td\u003e\n\u003ctd\u003e113 mm\u003c\/td\u003e\n\u003ctd\u003e4.45 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft diameter\u003c\/td\u003e\n\u003ctd\u003e10 mm\u003c\/td\u003e\n\u003ctd\u003e0.39 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft length\u003c\/td\u003e\n\u003ctd\u003e24 mm\u003c\/td\u003e\n\u003ctd\u003e0.94 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead length\u003c\/td\u003e\n\u003ctd\u003e300 mm\u003c\/td\u003e\n\u003ctd\u003e11.81 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.8 kg\u003c\/td\u003e\n\u003ctd\u003e63.49 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e \u003cp\u003e💡 What is a stepper motor used for in hobby CNC and 3D printing projects?\u003c\/p\u003e\n\u003cp\u003eAnswer handy overview: stepper motors provide precise, controllable rotation for moving machine axes.\u003c\/p\u003e\n- It converts electrical pulses into precise motion to move X\/Y\/Z axes\n- Handy for driving extruders, mills, and laser engravers in DIY setups\n- Requires a proper driver with current control to prevent overheating and missed steps\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52260227580223,"sku":"VXB081MVR76N","price":95.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/nema23-cnc-stepper-motor-425oz-in.jpg?v=1772831716","url":"https:\/\/bearingscanada.com\/products\/nema-23-cnc-stepper-motor-425oz-in-bipolar-18deg-4","provider":"Bearings Canada","version":"1.0","type":"link"}