{"product_id":"100-to-1-planetary-gearbox-for-nema-17-stepper-mot","title":"100 To 1 Planetary Gearbox For Nema 17 Stepper Motor, 42 To 66mm Body, 25.5mm Input Shaft, 8mm Output Shaft, Low Backlash 20 Arcmin, Ideal For CNC And 3D Printer DIY Reducer, Includes 4 Screws, 2 Plugs And 1 Key","description":"\u003cdiv\u003eSingle-Unit 100:1 Planetary Gearbox for NEMA 17 Motors\u003cbr\u003e\n✔️ Input 5mm shaft; 25.5mm; output 8mm; 21.5mm; body 42-66mm \u003cp\u003eThis compact planetary gearbox provides high-torque, low-speed drive for NEMA 17 motors, perfect for CNC builds, 3D printers, and precision robotics. Includes mounting screws, plugs, and a key for immediate mounting.\u003c\/p\u003e ✅ 100:1 gear ratio for high torque at low speed\u003cbr\u003e\n✅ Backlash ≤ 20 arcmin for precise motion\u003cbr\u003e\n✅ Nominal torque 5 Nm; peak 10 Nm\u003cbr\u003e\n✅ Efficiency ~94% for cooler operation\u003cbr\u003e\n✅ Input speed 3000 RPM nominal; 6000 RPM max\u003cbr\u003e\n✅ Input shaft 5 mm; output shaft 8 mm; lengths 25.5 mm \u0026amp; 21.5 mm\u003cbr\u003e\n✅ Body length 42-66 mm; hole spacing 31 mm\u003cbr\u003e\n✅ IP54 waterproof; operating -20 to 150 C; weight 235 g\u003cbr\u003e\n✅ Includes 4 screws, 2 plugs, 1 key for easy mounting\u003cbr\u003e \u003cp\u003e💡 What is a planetary gearbox used for in CNC and 3D printer setups? This handy drive boosts torque and smooths motion for precise control.\u003cbr\u003e\n- High torque at low speeds improves accuracy and smoothness\n- Low backlash supports tight tolerances\n- Compact form factor fits into small tool heads and enclosures\n- Durable gear train offers long life in DIY projects\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52602927644991,"sku":"VXB0FHHWGX8W","price":190.34,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/61MfLtgiVuL.jpg?v=1776629965","url":"https:\/\/bearingscanada.com\/products\/100-to-1-planetary-gearbox-for-nema-17-stepper-mot","provider":"Bearings Canada","version":"1.0","type":"link"}