--- product_id: 44561587 title: "RATTMMOTOR 4-Bearings Waterproof 246mm Length 2.2KW Spindle Motor 220V ER20" brand: "rattmmotor" price: "¥72757" currency: JPY in_stock: true category: "Rattmmotor" url: https://www.desertcart.jp/products/44561587-rattmmotor-4-bearings-waterproof-246mm-length-2-2kw-spindle-motor store_origin: JP region: Japan --- # 2.2KW high power output Waterproof & water-cooled design Up to 24,000 RPM high-speed rotation RATTMMOTOR 4-Bearings Waterproof 246mm Length 2.2KW Spindle Motor 220V ER20 **Brand:** rattmmotor **Price:** ¥72757 **Availability:** ✅ In Stock ## Summary > ⚙️ Spin Fast, Cut Sharp, Stay Cool – The Ultimate CNC Powerhouse! ## Quick Answers - **What is this?** RATTMMOTOR 4-Bearings Waterproof 246mm Length 2.2KW Spindle Motor 220V ER20 by rattmmotor - **How much does it cost?** ¥72757 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/44561587-rattmmotor-4-bearings-waterproof-246mm-length-2-2kw-spindle-motor) ## Best For - rattmmotor enthusiasts ## Why This Product - Trusted rattmmotor brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Simplicity:** Aviation plug wiring with clear port markings (U, V, W) makes installation quick and foolproof. - • **Powerhouse Performance:** 2.2KW motor delivering strong torque and stable operation for demanding CNC milling and engraving tasks. - • **Speed That Keeps You Ahead:** Variable speed up to 24,000 RPM guarantees smooth, high-speed machining—just don’t go below 9,000 RPM! - • **Built to Brave the Elements:** Stainless steel body with dust-proof cover and waterproof design keeps your spindle rust-free and reliable. - • **Precision Engineering for Flawless Cuts:** P4 high-speed bearings ensure ultra-low runout (<0.02mm) and dynamic balance for unmatched accuracy. ## Overview The RATTMMOTOR 2.2KW 220V spindle motor features a robust water-cooled, waterproof stainless steel design with precision P4 bearings, delivering up to 24,000 RPM for high-speed CNC milling and engraving. Its dust-proof cover and dynamic balance ensure long-lasting accuracy and durability, making it ideal for professional-grade wood and non-metallic material carving. ## Description desertcart.com: RATTMMOTOR 4-Bearings Waterproof 246mm Length 2.2KW Spindle Motor 220V ER20 | Water Cooled Spindle Motor CNC Router Carved Metal Spindle 24000RPM 80mm 8A 400Hz for CNC Milling Engraver Machine : Tools & Home Improvement ## Features - ✅【How to Wire The Spindle Motor】The spindle motor's aviation plug marked with number 1, 2, 3, 4. Number 1, 2, 3 port are connected with inverter's port U, V, W respectively. Number 4 is the ground wire, no wiring is required. - ✅【WATERPROOF Spindle】This is a waterproof 220V-2.2KW water-cooled 8A Φ 80x246mm spindle motor. Frequency is 400HZ, Precision tapered bore 0.01mm and runout off is less than 0.02mm. It is mainly suitable for non-metallic engraving, such as wood carving/engraving machine, advertisement engraving machine,CNC machine. - ✅【24000RPM High Speed】0-24000RPM. Because it is a high-speed spindle motor, the spindle speed must not be lower than 9000 rpm during the use of the spindle. It should be noted that the spindle only can rotate clockwise but not counterclockwise. - ✅【4pcs High Quality Bearings】P4 high speed bearing, dynamic balance, better ensure the accuracy of the spindle, powerful power, large torque, stable performance. - ✅【Design Advantages】The design of the dust-proof cover on the front of the spindle and the use of stainless steel body can effectively prevent dust, water and rust. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B071HYXK9X | | Best Sellers Rank | #693,270 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #143 in Power Milling Machine Replacement Parts #11,184 in Power Tool Replacement Parts | | Brand Name | RATTMMOTOR | | Customer Reviews | 3.7 3.7 out of 5 stars (11) | | Horsepower | 2.2 KW | | Item Highlight | Water Cooled Spindle Motor CNC Router Carved Metal Spindle 24000RPM 80mm 8A 400Hz for CNC Milling Engraver Machine | | Item Weight | 6.1 kg | | Manufacturer | Chang Sheng | | Model | RTM-2.2-220V | | Part Number | RTM-80-2.2 | | Speed | 24000 rpm | | UPC | 785004503039 | | Voltage | 220 volts | | Wattage | 2.2 KW | ## Product Details - **Brand:** RATTMMOTOR - **Horsepower:** 2.2 KW - **Item Weight:** 6.1 kg - **Speed:** 24000 rpm - **Voltage:** 220 volts ## Images ![RATTMMOTOR 4-Bearings Waterproof 246mm Length 2.2KW Spindle Motor 220V ER20 - Image 1](https://m.media-amazon.com/images/I/21Nip4MIW6L.jpg) ![RATTMMOTOR 4-Bearings Waterproof 246mm Length 2.2KW Spindle Motor 220V ER20 - Image 2](https://m.media-amazon.com/images/I/41H5S7vZMFL.jpg) ![RATTMMOTOR 4-Bearings Waterproof 246mm Length 2.2KW Spindle Motor 220V ER20 - Image 3](https://m.media-amazon.com/images/I/51qLt5LtxoL.jpg) ![RATTMMOTOR 4-Bearings Waterproof 246mm Length 2.2KW Spindle Motor 220V ER20 - Image 4](https://m.media-amazon.com/images/I/411+vEuSj3L.jpg) ![RATTMMOTOR 4-Bearings Waterproof 246mm Length 2.2KW Spindle Motor 220V ER20 - Image 5](https://m.media-amazon.com/images/I/41l8nNjdZSL.jpg) ## Frequently Bought Together - RATTMMOTOR 4-Bearings Waterproof 246mm Length Spindle Motor CNC 2.2KW Water Cooled Spindle Motor 220V ER20 CNC Router Carved Metal Spindle Motor 24000RPM 80mm 8A 400Hz for CNC Milling Engraver Machine - RATTMMOTOR 80mm CNC Spindle Motor Clamp Mount Bracket Support Cast Aluminium with 3pcs Screws for φ80mm 1.5KW 2.2KW CNC Router Engraver Milling Water Cooled Air Cooled Spindle Motor - SILIVN 14pcs ER20 Spring Collet Set for CNC Engraving Machine and Milling Lathe Tool Workholding Engraving Collets (1/16",3/32",1/8",5/32",3/16",7/32",1/4",9/32",5/16",11/32",3/8",13/32",7/16",1/2") --- ## 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/44561587-rattmmotor-4-bearings-waterproof-246mm-length-2-2kw-spindle-motor](https://www.desertcart.jp/products/44561587-rattmmotor-4-bearings-waterproof-246mm-length-2-2kw-spindle-motor) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-18*