{"product_id":"50-to-1-planetary-gearbox-for-nema-17-stepper-moto-6816","title":"50 To 1 Planetary Gearbox For Nema 17 Stepper Motor Boosts Torque Fits 42 To 66 Mm Body Input Shaft 5 Mm Output Shaft 8 Mm Works With 22 To 25 Mm Shaft Length Plug And Play For Hobby CNC And Robotics Upgrades","description":"\u003cdiv\u003e50:1 Planetary Gearbox for NEMA 17 motor, single unit torque\u003cbr\u003e\n✔️ 50:1 ratio; Ø5mm in; Ø8mm out; body 42-66mm; 235g \u003cp\u003eThis 50:1 planetary gearbox is designed for NEMA 17 stepper motors, delivering high torque in a compact package. It's ideal for hobby CNC machines, 3D printers, and robotics projects where space is tight and precise motion matters.\u003c\/p\u003e ✅ Backlash ≤ 20 arcmin \u003cbr\u003e\n✅ Efficiency 94% \u003cbr\u003e\n✅ Nominal output torque 10 Nm (1416 oz-in) \u003cbr\u003e\n✅ Moment permissible torque 20 Nm (2832 oz-in) \u003cbr\u003e\n✅ Nominal input speed 3000 RPM; Max input speed 6000 RPM \u003cbr\u003e\n✅ Input shaft Ø5 mm; Output shaft Ø8 mm \u003cbr\u003e\n✅ Body length 42-66 mm; Installation hole distance 31 mm \u003cbr\u003e\n✅ Waterproof IP54; Working temperature -20°C to +150°C \u003cbr\u003e\n✅ Weight 235 g; Lifetime 20000 h \u003cbr\u003e \u003cp\u003e💡 What is a planetary gearbox used for in automation and hobby projects?\u003c\/p\u003e\n\u003cp\u003ePlanetary gearboxes are handy reducers that multiply torque in a compact form.\u003c\/p\u003e\n- Increases torque density for tight CNC, robotics, and 3D printers\u003cbr\u003e\n- Enables slower, controlled motion with higher precision\u003cbr\u003e\n- Keeps backlashes low for repeatable results\u003cbr\u003e\n- Works with standard NEMA 17 motors and 5 mm input shafts\u003cbr\u003e ✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49043856195819,"sku":"VXB0FHHQGC3F","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/619fV7wXJ2L.jpg?v=1783904059","url":"https:\/\/vxb.com\/products\/50-to-1-planetary-gearbox-for-nema-17-stepper-moto-6816","provider":"VXB Bearings","version":"1.0","type":"link"}