---
product_id: 626722690
title: "300W DC Spindle Motor ER16 Collet 52mm Air-Cooled Spindle Motor 12-48VDC 12000RPM for CNC Engraver Router Milling Machine"
brand: "rattmmotor"
price: "€ 229.18"
currency: EUR
in_stock: true
reviews_count: 5
category: "Rattmmotor"
url: https://www.desertcart.gr/products/626722690-300w-dc-spindle-motor-er16-collet-52mm-air-cooled-spindle
store_origin: GR
region: Greece
---

# 300W high power output Ultra-precise 0.01-0.03mm runout Up to 12,000 RPM speed 300W DC Spindle Motor ER16 Collet 52mm Air-Cooled Spindle Motor 12-48VDC 12000RPM for CNC Engraver Router Milling Machine

**Brand:** rattmmotor
**Price:** € 229.18
**Availability:** ✅ In Stock

## Summary

> ⚙️ Power your precision projects with the RATTMMOTOR 300W spindle – where speed meets accuracy!

## Quick Answers

- **What is this?** 300W DC Spindle Motor ER16 Collet 52mm Air-Cooled Spindle Motor 12-48VDC 12000RPM for CNC Engraver Router Milling Machine by rattmmotor
- **How much does it cost?** € 229.18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/626722690-300w-dc-spindle-motor-er16-collet-52mm-air-cooled-spindle)

## 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

- • **Speed Demon:** Idling speed maxes out at 12,000 RPM for rapid, efficient cutting and carving.
- • **Precision Engineering:** Spindle radial runout as low as 0.01mm ensures razor-sharp engraving and milling accuracy.
- • **Air-Cooled Reliability:** Built-in air cooling keeps the spindle running cooler and longer during intense workloads.
- • **Powerhouse Performance:** 300W motor delivers consistent, high-torque output for demanding CNC tasks.
- • **Versatile Voltage Range:** Operates smoothly between 12-48VDC, adapting to various CNC setups effortlessly.

## Overview

The RATTMMOTOR 300W DC Spindle Motor features a robust 300W power output and a versatile 12-48V operating range, delivering up to 12,000 RPM with ultra-precise spindle radial runout between 0.01-0.03mm. Its ER16 collet and air-cooled design make it ideal for CNC engraving, routing, and milling on materials from solid wood to PCBs, ensuring professional-grade performance and reliability.

## Description

Package Include: 1× 300W DC Air Cooled Spindle Motor ER16 12-48VDCProduct Description:Speed: idling speed up to 12000 rpmPower: 300WCollet: ER16Working voltage: 12-48VDCTorque: 400mN.mInsulation resistance:> 2 megohmsInsulation dielectric strength: 400VSpindle motor diameter: 52mmLength of chuck part: 48mmDiameter of the chuck part: 16mmTotal motor length: 175mmSpindle radial runout: 0.01-0.03 high precisionProduct use: can be used for solid wood, PCB, carving, drilling, etc.

Review: As good or batter than the stock spindle on Foxalien 4040xe
Review: BE CAUTIOUS PURCHASING!!!!!

## Features

- Power: 300W; Operating Voltage: 12-48VDC
- Diameter: 52mm; Total length of motor:175mm
- Speed: Idling speed can reach 12000RPM
- Frequency: 0-400Hz； Torque: 400N.m
- Spindle radial runout: 0.01-0.03 high precision; Collet: ER16

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09Y3ZFTC1 |
| Best Sellers Rank | #228,715 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #15 in Power Milling Machines |
| Brand Name | RATTMMOTOR |
| Country of Origin | USA |
| Customer Reviews | 3.8 out of 5 stars 24 Reviews |
| Horsepower | 300 Watts |
| Item Dimensions W x H | 5.2W x 17.5H Centimeters |
| Item Height | 6.89 Inches |
| Manufacturer | RTM |
| Material Type | Metal |
| Model Number | RTMER16 |
| Speed | 12000 RPM |
| Voltage | 48 Volts (DC) |

## Product Details

- **Brand:** RATTMMOTOR
- **Speed:** 12000 RPM
- **Voltage:** 48 Volts (DC)
- **Horsepower:** 300 Watts
- **Product Dimensions:** 5.2W x 17.5H Centimeters

## Images

![300W DC Spindle Motor ER16 Collet 52mm Air-Cooled Spindle Motor 12-48VDC 12000RPM for CNC Engraver Router Milling Machine - Image 1](https://m.media-amazon.com/images/I/61xGkE+fvLL.jpg)
![300W DC Spindle Motor ER16 Collet 52mm Air-Cooled Spindle Motor 12-48VDC 12000RPM for CNC Engraver Router Milling Machine - Image 2](https://m.media-amazon.com/images/I/715jqJiZBBL.jpg)
![300W DC Spindle Motor ER16 Collet 52mm Air-Cooled Spindle Motor 12-48VDC 12000RPM for CNC Engraver Router Milling Machine - Image 3](https://m.media-amazon.com/images/I/71av7ATBugL.jpg)
![300W DC Spindle Motor ER16 Collet 52mm Air-Cooled Spindle Motor 12-48VDC 12000RPM for CNC Engraver Router Milling Machine - Image 4](https://m.media-amazon.com/images/I/71dFxZmeJBL.jpg)
![300W DC Spindle Motor ER16 Collet 52mm Air-Cooled Spindle Motor 12-48VDC 12000RPM for CNC Engraver Router Milling Machine - Image 5](https://m.media-amazon.com/images/I/71fVm1RQBxL.jpg)

## Questions & Answers

**Q: Look from end fan side，the rotation is cw or ccw?**
A: Fan side is CCW.  But side is CW

**Q: How much does this spindle weigh?**
A: The spindle is 1.75lb or  0.8kg

**Q: Do you need a seperate power supply for a sainsmart 4040 pro?**
A: Yes, you would need a separate power supply.

## Customer Reviews

### ⭐⭐⭐⭐⭐ As good or batter than the stock spindle on Foxalien 4040xe
*by A***K on 3 May 2023*



### ⭐ BE CAUTIOUS PURCHASING!!!!!
*by T***R on 23 February 2025*



### ⭐⭐⭐⭐ Quiet, warning the fan head is wider than body
*by R***E on 31 August 2024*



## Frequently Bought Together

- RATTMMOTOR 12-48VDC 300 Watt Spindle Motor ER16 Collet, 52mm, 400mN.m, 300W Air Cooled Spindle Motor 12000RPM for CNC Engraver Router Milling Machine
- Paddsun 7 Pcs/Set ER11 Spring Collet Set for CNC Engraving Machine & Milling Lathe Tools 1/4 1/8 1/16 3/16 3/32 5/32 7/32 inch
- Genmitsu 40pcs End Mills CNC Router Bits, 1/8" Shank CNC Cutter Milling Carving Bit Set Including 2-Flute Flat Nose & Ball Nose, Nano Blue Coat & Titanium Coat, MC40A

---

## 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.gr/products/626722690-300w-dc-spindle-motor-er16-collet-52mm-air-cooled-spindle](https://www.desertcart.gr/products/626722690-300w-dc-spindle-motor-er16-collet-52mm-air-cooled-spindle)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-01-27*