--- product_id: 523232147 title: "CNCTOPBAOS NMRV030 Worm Gear Reducer Speed Ratio 40:1 RV30 NMRV-030 Worm Gearbox Speed Reducer Square NMRV30 Output 14mm Shaft for Nema23 Stepper Motor" brand: "cnctopbaos" price: "¥23678" currency: JPY in_stock: true category: "Cnctopbaos" url: https://www.desertcart.jp/products/523232147-cnctopbaos-nmrv030-worm-gear-reducer-speed-ratio-40-1-rv30 store_origin: JP region: Japan --- # 14mm robust output shaft 40:1 precision speed ratio durable aluminum alloy casing CNCTOPBAOS NMRV030 Worm Gear Reducer Speed Ratio 40:1 RV30 NMRV-030 Worm Gearbox Speed Reducer Square NMRV30 Output 14mm Shaft for Nema23 Stepper Motor **Brand:** cnctopbaos **Price:** ¥23678 **Availability:** ✅ In Stock ## Summary > ⚙️ Unlock precision power with the CNCTOPBAOS NMRV030 – where durability meets flawless control! ## Quick Answers - **What is this?** CNCTOPBAOS NMRV030 Worm Gear Reducer Speed Ratio 40:1 RV30 NMRV-030 Worm Gearbox Speed Reducer Square NMRV30 Output 14mm Shaft for Nema23 Stepper Motor by cnctopbaos - **How much does it cost?** ¥23678 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/523232147-cnctopbaos-nmrv030-worm-gear-reducer-speed-ratio-40-1-rv30) ## Best For - cnctopbaos enthusiasts ## Why This Product - Trusted cnctopbaos brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Crafted with a high-quality aluminum alloy enclosure that guarantees superior thermal management and durability. - • **Versatile Mounting:** Multi-faceted installation options let you customize your setup with ease and flexibility. - • **Precision Power Boost:** Experience ultra-smooth transmission with a high 40:1 speed reduction ratio for exact motor control. - • **Seamless Compatibility:** Designed specifically for Nema23 stepper motors ensuring effortless integration and peak performance. - • **Whisper-Quiet Operation:** Engineered for low noise output, keeping your workspace calm and professional. ## Overview The CNCTOPBAOS NMRV030 Worm Gear Reducer offers a 40:1 speed ratio with a 14mm output shaft, perfectly matched for Nema23 stepper motors. Its high-quality aluminum alloy housing ensures excellent thermal performance and durability, while delivering smooth, low-noise operation and versatile installation options. ## Description Package included:1x NMRV030-40 Worm Gear ReducerFeature:Model:NMRV030-40Type:Worm Gear ReducerSpeed Ratio:40:1Input Bore Size:11mm,0.43"Output Bore Size:14mm,0.55"Input Flange Model:Nema23Application:Matched with Nema23 Stepper MotorsGoods Color:BlueAdvantages:High-quality aluminum alloy enclosurethermal performancelarge carrying capacityThe multi-faceted installationSmooth transmissionLow noise ## Features - Precision 40:1 Speed Ratio Worm Gear Reducer: Model NMRV030-40 worm gearbox with 40:1 speed ratio, engineered for accurate speed regulation and torque amplification, perfectly matched with Nema23 stepper motors for CNC equipment, industrial automation lines and precision motion control scenarios - Standardized Mounting & Shaft Specifications: Features a 60mm x 60mm (2.36 inch x 2.36 inch) standard Nema23 flange with 47mm x 47mm (1.85 inch x 1.85 inch) motor mounting hole spacing, matched with an 11 mm (0.43 inch) input bore diameter and 14 mm (0.55 inch) output shaft diameter, ensuring seamless installation and full compatibility with most mainstream Nema23 stepper motors/servo motors on the market - High-Strength Aluminum Alloy Enclosure: Made of die-cast aluminum alloy housing, delivers excellent thermal dissipation performance, high rigidity and corrosion resistance; compact structure adapts to limited installation space while effectively extending the service life of the gearbox - Smooth Transmission & Low Noise Operation: Adopts high-precision worm gear and high-quality bearing structure, provides stable transmission with large load-bearing capacity, minimal backlash and low operating noise, suitable for long-term continuous operation in industrial and precision projects - Wide Compatibility: It adapts to most automation scenarios, whether it is a CNC router, small engraving machine, 3D printers, DIY robotic arm, automatic feeding device or student project. It is pre-lubricated and debugged before leaving the factory, and can be used directly without additional maintenance ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09HGS2SSG | | Brand Name | CNCTOPBAOS | | Customer Reviews | 4.4 4.4 out of 5 stars (33) | | Horsepower | 40 Watts | | Item Weight | 1.27 Kilograms | | Manufacturer | CNCTOPBAOS | | Material Type | Aluminum | | Model | 6 | | Number of Items | 8 | | Part Number | 6 | ## Product Details - **Brand:** CNCTOPBAOS - **Horsepower:** 40 Watts - **Item weight:** 1.27 Kilograms - **Material:** Aluminum - **Number of Items:** 8 ## Images ![CNCTOPBAOS NMRV030 Worm Gear Reducer Speed Ratio 40:1 RV30 NMRV-030 Worm Gearbox Speed Reducer Square NMRV30 Output 14mm Shaft for Nema23 Stepper Motor - Image 1](https://m.media-amazon.com/images/I/71ZvjwFF35L.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Whats max power from the motor this gearbox can hold?** A: The chart with specifications provides the power recommendations. Maximum is different depending on gear ratio **Q: What is the backlash specification on this unit?** A: Have used 5 of these. Can not detect any backlash. Gearboxes are very well made and different motor mountings are available. We use these on CNC drives with100 or so cycles daily and have not had any problems. ## Frequently Bought Together - CNCTOPBAOS NMRV030 Worm Gear Reducer Speed Ratio 40:1 RV30 NMRV-030 Worm Gearbox Speed Reducer Square NMRV30 Output 14mm Shaft for Nema23 Servo Motor, Nema24 Stepper Motor - CNCTOPBAOS Output Single Shaft Diameter 14mm 0.55" Output Shaft fit for Worm Reducer Gearbox NMRV030 RV030 Nema23 Stepper Motor Length 100mm with Gaskets S Ring Corner pin - Shaft Sleeve 8mm Shaft Motor to 11mm Bore Adapter for RV030 Worm Gear Speed Reduce --- ## 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.jp/products/523232147-cnctopbaos-nmrv030-worm-gear-reducer-speed-ratio-40-1-rv30](https://www.desertcart.jp/products/523232147-cnctopbaos-nmrv030-worm-gear-reducer-speed-ratio-40-1-rv30) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-21*