--- product_id: 545039246 title: "NMRV030 Worm Gear Reducer Speed Ratio 10:1 Aluminum Alloy Square RV30 NMRV30 Worm Gearbox Speed Reducer for Nema23 Stepper Motor 11mm Input and 14mm Output Shaft" brand: "cnctopbaos" price: "$116.35" currency: USD in_stock: true category: "Cnctopbaos" url: https://www.desertcart.us/products/545039246-nmrv030-worm-gear-reducer-speed-ratio-10-1-aluminum-alloy store_origin: US region: United States of America --- # Standard Nema23 mounting 10:1 precision speed ratio Durable aluminum alloy housing NMRV030 Worm Gear Reducer Speed Ratio 10:1 Aluminum Alloy Square RV30 NMRV30 Worm Gearbox Speed Reducer for Nema23 Stepper Motor 11mm Input and 14mm Output Shaft **Brand:** cnctopbaos **Price:** $116.35 **Availability:** ✅ In Stock ## Summary > ⚙️ Unlock precision power with silent strength — your CNC’s new best friend! ## Quick Answers - **What is this?** NMRV030 Worm Gear Reducer Speed Ratio 10:1 Aluminum Alloy Square RV30 NMRV30 Worm Gearbox Speed Reducer for Nema23 Stepper Motor 11mm Input and 14mm Output Shaft by cnctopbaos - **How much does it cost?** $116.35 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/545039246-nmrv030-worm-gear-reducer-speed-ratio-10-1-aluminum-alloy) ## 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 - • **Plug-and-Play Versatility:** Pre-lubricated and factory-tested for immediate deployment across CNC routers, 3D printers, and robotic arms. - • **Precision 10:1 Speed Ratio:** Engineered for exact torque amplification and speed control, ideal for CNC and automation pros. - • **Robust Aluminum Alloy Build:** Die-cast housing offers superior heat dissipation and corrosion resistance for long-lasting performance. - • **Seamless Nema23 Compatibility:** Standardized 60x60mm flange and shaft sizes ensure effortless integration with your stepper motors. - • **Whisper-Quiet & Smooth Operation:** High-precision worm gears minimize backlash and noise, perfect for continuous industrial use. ## Overview The NMRV030-10 Worm Gear Reducer is a high-performance 10:1 speed ratio gearbox designed for Nema23 stepper motors. Featuring a durable aluminum alloy housing, standardized mounting, and smooth, low-noise transmission, it delivers reliable torque amplification and precise speed control. Ideal for CNC machines, automation lines, and precision motion projects, it comes pre-lubricated and ready for seamless integration. ## Description Package included:1x NMRV030-10 Worm Gear ReducerFeature:Model:NMRV030-10Type:Worm Gear ReducerSpeed Ratio:10:1Input Bore Size:11mm,0.43"Output Bore Size:14mm,0.55"Input Flange Model:Nema23Application:Matched with Nema23 Stepper MotorGoods Color:BlueAdvantages:High-quality aluminum alloy enclosurethermal performancelarge carrying capacityThe multi-faceted installationSmooth transmissionLow noiseSleeve and output shaft are not included in the package,these accessories are also sold in my desertcart store. ## Features - Precision 10:1 Speed Ratio Worm Gear Reducer: Model NMRV030-10 worm gearbox with 10:1 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 | B09HGH4S3F | | Brand Name | CNCTOPBAOS | | Customer Reviews | 4.5 4.5 out of 5 stars (33) | | Manufacturer | CNCTOPBAOS | | Material Type | Aluminum | | Model | 1 | | Part Number | 1 | ## Product Details - **Brand:** CNCTOPBAOS - **Manufacturer:** CNCTOPBAOS - **Material:** Aluminum - **Number of Items:** 8 ## Images ![NMRV030 Worm Gear Reducer Speed Ratio 10:1 Aluminum Alloy Square RV30 NMRV30 Worm Gearbox Speed Reducer for Nema23 Stepper Motor 11mm Input and 14mm Output Shaft - Image 1](https://m.media-amazon.com/images/I/71-OGBbyNmL.jpg) ![NMRV030 Worm Gear Reducer Speed Ratio 10:1 Aluminum Alloy Square RV30 NMRV30 Worm Gearbox Speed Reducer for Nema23 Stepper Motor 11mm Input and 14mm Output Shaft - Image 2](https://m.media-amazon.com/images/I/61ZBIqgpaGL.jpg) ![NMRV030 Worm Gear Reducer Speed Ratio 10:1 Aluminum Alloy Square RV30 NMRV30 Worm Gearbox Speed Reducer for Nema23 Stepper Motor 11mm Input and 14mm Output Shaft - Image 3](https://m.media-amazon.com/images/I/71LXBQywFxL.jpg) ![NMRV030 Worm Gear Reducer Speed Ratio 10:1 Aluminum Alloy Square RV30 NMRV30 Worm Gearbox Speed Reducer for Nema23 Stepper Motor 11mm Input and 14mm Output Shaft - Image 4](https://m.media-amazon.com/images/I/71Wgt7fscKL.jpg) ![NMRV030 Worm Gear Reducer Speed Ratio 10:1 Aluminum Alloy Square RV30 NMRV30 Worm Gearbox Speed Reducer for Nema23 Stepper Motor 11mm Input and 14mm Output Shaft - Image 5](https://m.media-amazon.com/images/I/71VjDU+FldL.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 10:1 Aluminum Alloy Square RV30 NMRV30 Worm Gearbox Speed Reducer for Nema23 Stepper Motor 11mm Input and 14mm Output Shaft - CNCTOPBAOS Output Double Shaft Diameter 14mm 0.55" Dual Output Shaft Length 130mm Fit for Worm Reducer Gearbox NMRV030 RV030 Nema23 Stepper Motor with Gaskets S Ring Corner pin - Shaft Sleeve 1/4Inch(6.35mm) 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.us/products/545039246-nmrv030-worm-gear-reducer-speed-ratio-10-1-aluminum-alloy](https://www.desertcart.us/products/545039246-nmrv030-worm-gear-reducer-speed-ratio-10-1-aluminum-alloy) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-15*