Square ER20 4 Bearings 2.2KW 110V/220V Air Cooled Spindle Motor for CNC Router Engraving Machine

 VIDEO OF CNC SPINDLE MOTOR

We understand that every CNC project has unique requirements, which is why we offer tailored solutions to meet your specific needs. Whether you're tackling intricate engravings or heavy-duty cutting tasks, our Zhong Hua Jiang air cooled spindle motor can be customized to achieve your goals. It is the most cost-effective solution for delivering high precision, power, and reliability in your CNC operations, with efficient air cooling for consistent performance.

 CATALOGUE OF ZHONG HUA JIANG (PDF Download)

  CNC Router Machine Catalogue 2025.pdf

 AIR COOLED SPINDLE MOTOR FOR SALE

Are you searching for an efficient and reliable solution to power your CNC woodworking or DIY crafting projects? Look no further than our Zhong Hua Jiang air cooled spindle motor.

This compact and robust air cooled spindle motor is designed to meet the needs of hobbyists, students, and small-scale creators. With its high-performance capabilities, our Zhong Hua Jiang air cooled spindle motor is easy to integrate and can handle a variety of tasks, from engraving intricate patterns to cutting precise designs. Whether you're enhancing woodwork with detailed engravings, crafting complex patterns, or learning CNC as a student, this air cooled spindle motor delivers exceptional results with industry-standard CNC software compatibility.

Our Zhong Hua Jiang air cooled spindle motors for sale are built to meet high-quality standards, constructed with durable materials to ensure long-lasting performance and precision. The air-cooling system ensures efficient heat dissipation, making it a low-maintenance addition to your CNC setup.

Investing in our Zhong Hua Jiang air cooled spindle motor is a smart choice for anyone looking to enhance their CNC machine's capabilities and streamline their creative process.

 TECHNICAL SPECIFICATIONS

Voltage	110V/220V	1 pcs 2.2KW Square Spindle Motor.
Speed	10000-24000	1 pcs Pre-soldered aviation wire and 2 pcs wrenches for quick installation.
Power	2.2KW	This spindle should be equipped with 400Hz VFD.
Electric Current	10A
Frequency	400Hz
KG	7.1KG
Connection	ER20
Cooling	Air Cooled
Usage	Engraving Machines

 APPLICATIONS & USE CASES

Wood

Acrylic

Soft Metals

 FEATURES OF CNC AIR COOLED SPINDLE MOTOR

Zhong Hua Jiang ER20 2.2KW Square Air Cooled Spindle Motor is a high-performance component designed to deliver power, precision, and durability to your CNC engraving, milling, and cutting projects. Whether you're a professional workshop operator or a small business owner tackling demanding applications, this spindle motor offers features that are ideal for heavy-duty and industrial use.

Equipped with an ER20 collet for secure holding of larger tools, it delivers speeds from 10,000 to 24,000 RPM with a runout of less than 0.01mm, ensuring high accuracy and stability even during prolonged heavy operation. The air-cooled design efficiently dissipates heat without the need for additional water systems, making it low-maintenance and reliable for robust setups, while its 220V/380V compatibility and intelligent control system simplify integration into various CNC routers.

With four upgraded bearings that extend its lifespan up to three times longer than standard models, this motor excels in tasks like milling wood, acrylic, soft metals, and heavier materials, reducing noise and vibration for smoother, more efficient results. Often bundled with a VFD kit for easy speed control, it's a powerful upgrade for enhancing your machine's performance without complexity.

Key Features of Air Cooled CNC Spindle Motor

User-Friendly Control 

Zhong Hua Jiang ER20 2.2KW Air Cooled Spindle Motor features an intelligent control system, designed for ease of operation, making it accessible for users of all skill levels.

High-Precision Collet System

Equipped with an ER20 collet, ensuring secure tool holding, minimal runout, and precise machining for consistent results.

Advanced GRBL Compatibility

Integrated with program logic controller (PLC) compatibility, allowing easy adjustments for speed (10000-24000 RPM) and other parameters to suit various project needs.

Reliable Electrical Components

All electrical components, supporting 110V/220V and 10A current, are branded for stability and reliability, ensuring long-lasting performance.

Accurate Speed Regulation

Features precise speed control with a range of 10000-24000 RPM, enabling smooth and accurate operation for diverse CNC applications.

Optimized Air-cooling Design

The specially-designed air cooling system (118*98mm, 281mm, 7.1KG) ensures efficient heat dissipation, enhancing durability and performance for extended CNC operations.

 ADVANTAGES OF AIR COOLED SPINDLE MOTOR

Advanced Dynamic Balance Design 

Innovative & advanced dynamic balancing technology

Effectively reduce the noise

Increase stability in the working process

Extended Working Life

Authentic 4pcs upgraded

Superior durability steel bearings

All copper lengthening coil of rotor

Working life can reach 2 years for 8 hours / day

High Accuracy & Concentricity 

Further processing for spindle motor

Runout off of the spindle motor is less than 0.005mm

10 times precision beyond normal spindle motor

 10 TIMES PRECISION RUNOUT OFF 

Easy and Fast Installtion 

Equipped with pre-soldered aviation wire for quick installation

Installation holes on both sides  

 PACKAGE LIST OF AIR COOLED SPINDLE MOTOR

Whether you're a hobbyist or a professional CNC workshop, we have the ideal Zhong Hua Jiang Air Cooled Spindle Motor solution for you. Our Air Cooled Spindle Motors support a wide range of projects, from intricate engravings to heavy-duty cuts, suitable for various skill levels. If the standard configuration doesn't meet your needs, please feel free to contact our professional sales team to customize the perfect Air Cooled Spindle Motor solution for your projects.

 RECOMMEND AIR COOLED SPINDLE MOTOR

Besides the Zhong Hua Jiang 2.2KW ER20 Air Cooled Spindle Motor, we offer a variety of other spindle motor models to suit diverse CNC project needs. Our lineup includes the 0.8KW/1.5KW air cooled spindle motor for compact precision tasks, the 3KW/4KW air cooled spindle motor for high-performance engraving and cutting on wood, acrylic, and soft metals, the 5KW/6KW/7.5KW air cooled spindle motor for larger-scale professional projects, and specialized water-cooled spindle options for enhanced versatility.

 COMPANY PROFILE

 CNC SPINDLE MOTOR MANUFACTURER 

 WHY CHOOSE US

 LEADING CNC MACHINE/CNC SPINDLE MOTOR 

 MANUFACTURER SINCE 2000 

 OUR PRODUCT RANGE

CNC Router Machines 

Our state-of-the-art Zhong Hua Jiang CNC router machines, including models like the 3018, 3020, 3040, and 6090, guarantee precision, efficiency, and reliability, essential for high-quality engraving and cutting projects.

CNC Spindle Motors 

Power your CNC projects with our advanced spindle motors, including air-cooled and water-cooled options, designed to meet rigorous performance standards for diverse materials.

CNC Accessories 

Enhance your CNC operations with our precision accessories, such as limit switches, Z probes, and emergency stop buttons, perfect for ensuring safety and accuracy.

Electrical Wires 

Ensure reliable and safe connections with our double-shielded cables and shielded chain cables, designed to minimize signal interference and enhance durability.

Stepper Motors 

Drive your CNC machine with our high-performance stepper motors, offering precise control and robust operation for consistent project outcomes.

 PRODUCT CERTIFICATION

 CUSTOMER FEEDBACK

 FAQ

1. What materials can the 2.2KW Air Cooled CNC Spindle Motor work with?

It excels in engraving and miling wood, acrylic, MDF, plastics, PCB boards, PVC, plexiglass, and softmetals such as aluminum or brass. 

2. Can I purchase the 2.2KW Air Cooled CNC Spindle Motor in bulk or as a distributor?

Yes, absolutely. Zhong Hua Jiang has over 20 years of R&D and manufacturing experience, and we welcome global distributors, resellers, and wholesalers. We offer competitive factory-direct pricing, stable supply, and professional export support to help your business grow.

3. Do you offer OEM or customization services?

Yes, we provide flexible OEM and ODM services. Your logo, packaging, voltage specifications, collet types, or bearing configurations can be customized according to your requirements. We understand that every customer has unique production goals, and our engineering team will tailor the Air Cooled CNC Spindle Motor to meet them.

4. What is your minimum order quantity (MOQ)?

We are flexible with order quantities. For standard kits like 2.2KW Air Cooled CNC Spindle Motor, we accept small trial orders before bulk purchases. For OEM or customized kits, the MOQ can be discussed based on project details.

5. How long is your production and delivery time?

For standard kits, our typical lead time is 3–7 working days after payment. For large or customized orders, production usually takes 10–20 days. We work closely with international shipping partners to ensure safe and timely delivery to your country.

6. What kind of warranty do you provide for the 2.2KW Air Cooled CNC Spindle Motor?

All our spindle motors, power converters, and accessories are covered by a 12-month warranty. Each kit is strictly inspected before shipping. During the warranty period, we provide free technical support and replacement for any quality-related parts.

7. Do you provide after-sales technical support?

Yes. Zhong Hua Jiang offers lifetime technical support via email, video call, or online chat. Our engineers can assist with installation, parameter setup, and troubleshooting. For large distributors, we also provide training and documentation for your local service teams.