--- product_id: 689518503 title: "Harmonic Gear Drive Reducer Small Strain Wave Gearbox Gearbox 100:1 Rotary Reduction Actuator, Fits Nema 17 Stepper Motor (Flange Output)" brand: "pgfun" price: "18942498₫" currency: VND in_stock: true reviews_count: 3 category: "Pgfun" url: https://www.desertcart.vn/products/689518503-harmonic-gear-drive-reducer-small-strain-wave-gearbox-gearbox-100 store_origin: VN region: Vietnam --- # Fits Nema 17 stepper motor flange Backlash < 20 arcsec for precision 100:1 high reduction ratio Harmonic Gear Drive Reducer Small Strain Wave Gearbox Gearbox 100:1 Rotary Reduction Actuator, Fits Nema 17 Stepper Motor (Flange Output) **Brand:** pgfun **Price:** 18942498₫ **Availability:** ✅ In Stock ## Summary > ⚙️ Unlock precision power with the ultimate harmonic gear drive! ## Quick Answers - **What is this?** Harmonic Gear Drive Reducer Small Strain Wave Gearbox Gearbox 100:1 Rotary Reduction Actuator, Fits Nema 17 Stepper Motor (Flange Output) by pgfun - **How much does it cost?** 18942498₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/689518503-harmonic-gear-drive-reducer-small-strain-wave-gearbox-gearbox-100) ## Best For - pgfun enthusiasts ## Why This Product - Trusted pgfun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Power Packed:** Delivers peak torque up to 11 Nm, powering through demanding start-stop cycles with ease. - • **Built to Last:** Robust 7000-hour design life keeps your industrial robots and CNC equipment running reliably. - • **Precision Perfected:** Ultra-low backlash (<20 arcsec) ensures flawless positional accuracy for your automation needs. - • **Seamless Integration:** Custom flange design fits Nema 17 stepper motors directly—assembly made effortless. - • **Compact & Lightweight:** At just 0.4 kg, this harmonic drive saves space and weight without compromising performance. ## Overview The PGFUN Harmonic Gear Drive Reducer offers a 100:1 reduction ratio with ultra-low backlash under 20 arcseconds, perfectly fitting Nema 17 stepper motors via a custom flange. Delivering peak torque up to 11 Nm and weighing only 0.4 kg, it combines compact design with high durability (7000 hours lifespan), ideal for industrial automation, robotics, and CNC applications demanding precision and reliability. ## Description PGFUN 100:1 Flange Output Harmonic Gear Drive Reducer Small Strain Wave Gearbox Rotary Reduction Actuator, Fits Nema 17 Stepper Motor Main Specification: Fit for Motor: Nema 17 stepper motor Output Style: Flange Output Reduction Ratio: 100:1 Torque at 2000r/min Input: 5 Nm/ 3.69 ft·lb Peak Torque at Start and Stop: 11 Nm/ 8.11 ft·lb Max Value for Average Load Torque: 8.9 Nm/ 6.56 ft·lb Permissible Max Momentary Torque: 25 Nm/ 18.44 ft·lb Permissible Max Input Rotational Speed: 8500 r/min Permissible Average Input Rotational Speed: 3500 r/min Moment of Inertia: 1.4 x 10-2kgc㎡ Backlash: less than 20 arcsec Design Life: 7000 hours Weight: 0.4 kg/ 0.88 lbs Review: Love it, but missing screws Review: Trouble getting Wave Generator Disk onto Stepper shaft ## Features - Directly Fits Nema 17 Stepper Motor: considering the wide application of the stepper motor, the harmonic gearbox comes with a customized flange to connect with Nema 17 stepper motors, and it’s easy to assemble, making it easy to work for your application. - Harmonic reducer utilizes a unique operating principle that is based on the elastic mechanics of metals, one of the biggest advantages is the harmonic drives approach to zero-backlash and the weight and space savings compared to other reducers. - Strain wave harmonic gearing is widely used for industrial robots, CNC equipment, medical instruments, and the automation industry. the high torque strain wave gearbox has 30/50/80/100 gear ratio and provides a harmonic gear reduction. - The strain wave drive technology makes the reducer come with more great features, like low backlash, high torque, high reduction ratio, compact size, excellent positional accuracy and repeatability accuracy - Please refer to the description section below to know more details and specifications of PGFUN harmonic reducer, any questions and files needed, free to contact us. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | PGFUN | | Manufacturer | PGFUN | | Country of Origin | USA | | Number of Memory Sticks | 1 | | Item Weight | 415 g | | Package Dimensions | 18.9 x 13 x 12.6 cm; 415 g | | Item part number | TYXC-0061_11_100 | | Are batteries included? | No | ## Product Details - **Brand:** PGFUN - **Manufacturer:** PGFUN - **UPC:** 717225952334 ## Images ![Harmonic Gear Drive Reducer Small Strain Wave Gearbox Gearbox 100:1 Rotary Reduction Actuator, Fits Nema 17 Stepper Motor (Flange Output) - Image 1](https://m.media-amazon.com/images/I/61J8tSiX2LL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Love it, but missing screws *by N***L on 3 May 2024* ### ⭐⭐⭐ Trouble getting Wave Generator Disk onto Stepper shaft *by G***N on 15 October 2025* ### ⭐⭐⭐⭐⭐ Works well *by J***R on 12 April 2024* ## Frequently Bought Together - PGFUN Harmonic Gear Drive Reducer Small Strain Wave Gearbox Gearbox 100:1 Rotary Reduction Actuator, Fits Nema 17 Stepper Motor (Flange Output) - STEPPERONLINE Nema 17 Stepper Motor Bipolar 2A 59Ncm(84oz.in) 48mm Body 4-Lead W/ 1m Cable and Connector Compatible with 3D Printer/CNC --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/689518503-harmonic-gear-drive-reducer-small-strain-wave-gearbox-gearbox-100](https://www.desertcart.vn/products/689518503-harmonic-gear-drive-reducer-small-strain-wave-gearbox-gearbox-100) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-04-24*