{"product_id":"hd-mini-20-90mm-strain-wave-120","title":"HD Mini-20 90mm Harmonic Drive Gear Ratio 120:1 - Strain Wave Gear Reducer","description":"\u003ch1\u003e\u003cb\u003eHD-20 Harmonic Gear Reducer 120:1\u003c\/b\u003e\u003c\/h1\u003e \u003cp\u003e✔️ Maximum Reduction Strain Wave Gear for Heavy Precision Loads\u003c\/p\u003e \u003cp\u003eThe HD-20 120:1 harmonic gear reducer is intended for applications that require maximum torque output and extremely fine positioning in a compact 90mm housing. Using only the specification table, this reducer supports demanding robotic and automation workloads.\u003c\/p\u003e \u003cp\u003e✅ Gear ratio: 120:1\u003cbr\u003e ✅ Rated torque at 2000 rpm: 28 Nm\u003cbr\u003e ✅ Limit for repeated peak torque: 61 Nm\u003cbr\u003e ✅ Limit for average torque: 35 Nm\u003cbr\u003e ✅ Limit for momentary peak torque: 95 Nm\u003cbr\u003e ✅ Maximum input speed: 7000 rpm\u003cbr\u003e ✅ Limit for average input speed: 3500 rpm\u003cbr\u003e ✅ Moment of inertia: 0.09 x10^4 kgm^2\u003cbr\u003e ✅ Backlash: ≤10 arcsec\u003cbr\u003e ✅ Delivery time 10 to 15 days\u003c\/p\u003e \u003cp\u003e💡 When should a 120:1 harmonic gear reducer be selected for motion control?\u003c\/p\u003e \u003cp\u003eA 120:1 harmonic reducer is selected when maximum torque multiplication and ultra fine positioning are required in high load precision systems.\u003c\/p\u003e \u003cp\u003eThis 120:1 version delivers maximum torque capability with stable, low-backlash motion.\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":51661575618879,"sku":"VXB-HD mini-20-120","price":818.51,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/hd-20-1.png?v=1772825094","url":"https:\/\/bearingscanada.com\/products\/hd-mini-20-90mm-strain-wave-120","provider":"Bearings Canada","version":"1.0","type":"link"}