{"product_id":"harmonic-gear-drive-reducer-for-nema-17-motors-sma","title":"Harmonic Gear Drive Reducer For Nema 17 Motors, Small Strain Wave Gearbox With 30 To 1 Rotary Reduction, Easy Flange Mount, Shaft Output, Precision Rotary Actuator For DIYers, Tinkers, And Robotics Fans","description":"\u003cdiv\u003eSingle-unit NEMA 17 harmonic gear reducer with 30:1 ratio\u003cbr\u003e\n✔️ 30:1 harmonic reducer, 10 mm shaft, fits NEMA 17, compact unit \u003cp\u003eThis compact harmonic drive reducer slips directly onto a NEMA 17 stepper motor using a simple flange connection. It delivers a precise 30:1 rotary reduction in a small, low-backlash package, ideal for DIY robotics, CNC projects, and compact automation.\u003c\/p\u003e ✅ Fit for motor: NEMA 17 stepper motor\u003cbr\u003e\n✅ Output shaft: 10 mm (0.39 in) diameter\u003cbr\u003e\n✅ Reduction ratio: 30:1\u003cbr\u003e\n✅ Torque at 2000 rpm input: 2.2 Nm (1.62 ft-lb)\u003cbr\u003e\n✅ Peak torque at start\/stop: 4.5 Nm (3.32 ft-lb)\u003cbr\u003e\n✅ Max average load torque: 3.4 Nm (2.51 ft-lb)\u003cbr\u003e\n✅ Max momentary torque: 8.5 Nm (6.27 ft-lb)\u003cbr\u003e\n✅ Max input speed: 8500 r\/min\u003cbr\u003e\n✅ Avg input speed: 3500 r\/min\u003cbr\u003e\n✅ Moment of inertia: 1.4 x 10^-2\u003cbr\u003e\n✅ Backlash: less than 20 arcsec\u003cbr\u003e\n✅ Design life: 7000 hours\u003cbr\u003e\n✅ Weight: 0.4 kg \/ 0.88 lb\u003cbr\u003e \u003cp\u003e💡 What is a harmonic gear drive reducer used for? A handy device for precise motion control in small robotics and automation projects.\n- precise, near-zero backlash for accurate positioning\n- compact form factor that fits tight spaces\n- flange-mount compatibility with standard motors like NEMA 17\n- low maintenance, long service life for steady operation\n\u003c\/p\u003e \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48207894315243,"sku":"VXB0CRRTR157","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61enKdJkiJL.jpg?v=1778814521","url":"https:\/\/vxb.com\/products\/harmonic-gear-drive-reducer-for-nema-17-motors-sma","provider":"VXB Bearings","version":"1.0","type":"link"}