{"product_id":"271-planetary-gearbox-nema-17-stepper-motor-diy-cn","title":"27:1 Planetary Gearbox Nema 17 Stepper Motor DIY CNC Hobby Camera Robotics","description":"\u003cdiv\u003e\n\u003cp\u003e27:1 Planetary Gearbox for NEMA 17 Stepper Motors in DIY CNC and robotics\u003cbr\u003e✔️ Planetary gearbox 26.85:1, 0.067° step, 3 Nm torque, 4-wire\u003c\/p\u003e ✅ Gearbox: Planetary, ratio 26.85:1; efficiency 81%; backlash \u0026lt;= 3 deg\u003cbr\u003e\n✅ Motor: NEMA 17 bipolar, 4-wire; step angle 0.067 deg; holding torque 3 Nm\u003cbr\u003e\n✅ Electrical: rated current 0.4 A; phase resistance 30 ohms; inductance 34 mH (+-20%)\u003cbr\u003e\n✅ Shaft and dimensions: shaft 6 mm dia, 18 mm length; D-cut 12 mm\u003cbr\u003e\n✅ Lead length: 500 mm (19.7 in)\u003cbr\u003e\n✅ Physical size: frame 42 x 42 mm (1.65 x 1.65 in); motor length 34 mm; gearbox length 35 mm\u003cbr\u003e\n✅ Weight: 420 g (0.93 lb)\u003cbr\u003e\n✅ Connectors: Black(A+), Green(A-), Red(B+), Blue(B-)\u003cbr\u003e\n✅ Warning: connect to a constant current or chopper drive controller to avoid damage\u003cbr\u003e \u003cp\u003e💡 What is a planetary gearbox used for in small motor projects?\u003c\/p\u003e\nIn handy setups, a planetary gearbox delivers high torque in a compact form for precise motion.\n- Higher torque at low speeds improves positional accuracy in CNC and robotics.\u003cbr\u003e\n- Compact size lets you fit gearheads in tight enclosures.\u003cbr\u003e\n- Efficient reduction minimizes heat while boosting load capacity.\u003cbr\u003e  \u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52222472192319,"sku":"VXB00PNER7JA","price":114.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/nema17-planetary-gearbox-stepper-motor.jpg?v=1772831185","url":"https:\/\/bearingscanada.com\/products\/271-planetary-gearbox-nema-17-stepper-motor-diy-cn","provider":"Bearings Canada","version":"1.0","type":"link"}