ER25 125mm 5.5KW 220V/380V CNC Automatic tool changer Water Cooled Spindle Motor for CNC Precision Engraving Machine

 ER25 125mm 5.5KW Water Cooled Spindle Motor Video

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 ER25 125mm 5.5KW Water Cooled Spindle Motor for Sale

The Zhong Hua Jiang ER25 125mm 5.5KW water cooled spindle motor is a heavy-duty CNC spindle solution for professional CNC routers, engraving machines, woodworking machines, acrylic cutting systems, mold machining, and soft metal processing. It combines a 125mm round body, ER25 collet connection, 5.5KW output power, ceramic ball bearings, and stable water cooling for long machining cycles.

This 5.5KW CNC water cooled spindle motor supports 220V / 380V power options, 400Hz frequency, 11A current, and 12,000 RPM operation. The water-cooled structure helps reduce heat buildup and operating noise, making it suitable for continuous production environments where accuracy, durability, and thermal stability are important.

For B2B buyers, OEM CNC machine builders, distributors, and professional workshops, the ER25 125mm 5.5KW water cooled spindle motor offers reliable power, strong tool clamping, ceramic bearing performance, and flexible integration with CNC control systems and matched VFD drives.

Zhong Hua Jiang supports sample orders, bulk purchasing, OEM customization, distributor cooperation, and export supply for CNC spindle motors. Buyers can request technical support for spindle matching, VFD parameter setup, wiring, cooling configuration, and CNC machine integration.

 Technical Specifications of ER25 5.5KW Water Cooled Spindle Motor

Key specifications include ER25 collet connection, 125mm round spindle body, 5.5KW output power, 220V / 380V voltage options, 11A current, 400Hz frequency, 12,000 RPM speed, ceramic ball bearings, water cooling, and approximately 24KG spindle weight.

The package includes one 5.5KW round water cooled spindle motor. A compatible VFD, proper cooling circulation, and correct CNC wiring should be selected according to the final machine configuration.

 Applications & Use Cases for CNC Routing and Engraving

This ER25 5.5KW water cooled spindle motor is suitable for CNC woodworking, acrylic engraving, plastic cutting, PCB processing, aluminum engraving, brass engraving, mold work, and other precision routing tasks. It is designed for professional CNC routers and production workshops that require stronger spindle power than compact 0.8KW, 1.5KW, or 2.2KW models.

Wood

Acrylic

Soft Metals

 Features of ER25 5.5KW Water Cooled CNC Spindle Motor

The ER25 125mm 5.5KW water cooled spindle motor is designed for professional CNC users who need higher power, stable rotation, strong tool holding, and long service life. The ER25 collet system supports secure clamping for routing, engraving, cutting, and light milling tools.

Its ceramic ball bearing structure, 400Hz frequency, water cooled housing, and 125mm spindle body help deliver stable performance for demanding CNC router applications, especially in woodworking, acrylic processing, plastics, PCB, and soft metal engraving.

VFD and CNC Controller Friendly Operation

Zhong Hua Jiang ER25 5.5KW Quiet Water Cooled Spindle Motor features an intelligent control system, designed for ease of operation, making it accessible for users of all skill levels.

ER25 High-Precision Collet System

Equipped with an ER25 collet, ensuring secure tool holding, minimal runout, and precise machining for consistent results.

VFD / CNC Controller Compatibility

Integrated with program logic controller (PLC) compatibility, allowing easy adjustments for speed (12000 RPM) and other parameters to suit various project needs.

Reliable Electrical and Cooling Components

All electrical components, supporting 220V/380V and 11A current, are branded for stability and reliability, ensuring long-lasting performance.

Accurate 12,000 RPM Speed Regulation

Features precise speed control with a range of 12000 RPM, enabling smooth and accurate operation for diverse CNC applications.

Optimized 125mm Water-Cooling Design

The solely and specially-designed water-cooling system (Ф125mm*403mm, 24KG) ensures efficient heat dissipation with reduced noise, enhancing durability and performance for extended CNC operations.

 Package of ER25 5.5KW Water Cooled Spindle Motor

Whether you're a hobbyist or a professional CNC workshop, we have the ideal Zhong Hua Jiang water cooled spindle motor solution for you. Our water 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 water cooled spindle motor solution for your projects.

 Recommended CNC Water Cooled Spindle Motors

Besides the Zhong Hua Jiang 5.5KW ER25 water cooled spindle motor, we offer a variety of other water cooled spindle motor models to suit diverse CNC project needs. Our lineup includes the 0.8KW water cooled spindle motor for compact precision tasks, the 1.5KW/2.2KW water cooled spindle motor for high-performance engraving and cutting on wood, acrylic, and soft metals, the 3KW water cooled spindle motor for professional projects, and specialized air-cooled spindle options for enhanced versatility.

ER11 0.8KW Water Cooled Spindle Motor

ER20 2.2KW Water Cooled Spindle Motor

ER20 3KW Water Cooled Spindle Motor

ER11 1.5KW Water Cooled Spindle Motor Kits

ER20 2.2KW Water Cooled Spindle Motor Kits

ER20 3KW Water Cooled Spindle Motor Kits

 Company Profile: CNC Spindle Motor Manufacturer

CNC Spindle Motor Manufacturer

 Why Choose Zhong Hua Jiang

Quality Assurance Superior quality performance Strict quality control	Patents and Certifications Several patents for air-cooled spindle motors	Additional Brand Value Brand value highly recognized by the market
Reasonable Price Direct factory sales Highly cost performance	Full Time Service Professional technical support Close and quick customer service	Fast and Reliable Delivery Fast and efficient delivery Real-time tracking and updates

Leading CNC Machine & Spindle Motor Manufacturer

Manufacturer Since 2000

 Our CNC 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: ER25 125mm 5.5KW Water Cooled Spindle Motor

What are the main specifications of the ER25 125mm 5.5KW water cooled spindle motor?

This spindle motor uses an ER25 collet connection, 125mm round body, 5.5KW power, 220V / 380V voltage options, 11A current, 400Hz frequency, 12,000 RPM speed, ceramic ball bearings, water cooling, and approximately 24KG spindle weight.

What CNC machines is this 5.5KW water cooled spindle suitable for?

It is suitable for professional CNC routers, woodworking CNC machines, engraving machines, acrylic cutting machines, plastic processing machines, soft metal engraving systems, and OEM CNC equipment that requires a high-power water cooled spindle.

What materials can the ER25 5.5KW spindle motor process?

It can be used for wood, MDF, acrylic, plastics, PVC, PCB boards, plexiglass, aluminum, brass, and other soft metals when matched with suitable tools, feeds, speeds, cooling, and machine rigidity.

Why choose an ER25 collet spindle instead of a smaller ER11 or ER20 spindle?

The ER25 collet system supports stronger tool clamping and a wider tool range than smaller collet systems, making it suitable for heavier routing, professional engraving, and applications that need higher power and more stable cutting performance.

Does this spindle motor require a VFD?

Yes. This 400Hz CNC spindle motor should be used with a compatible VFD inverter. Correct VFD parameters, voltage, current limit, acceleration time, cooling setup, and wiring should be configured before operation.

How does water cooling help this 5.5KW spindle motor?

Water cooling helps control spindle temperature during long machining cycles, reduces operating noise compared with many air cooled spindles, and supports stable performance in continuous CNC production environments.

Can Zhong Hua Jiang supply this spindle for OEM or bulk orders?

Yes. Zhong Hua Jiang supports OEM customization, distributor supply, bulk purchasing, sample orders, export packaging, and technical support for machine builders and B2B buyers.

What warranty and after-sales support are provided?

Zhong Hua Jiang provides a 12-month warranty for spindle motors and related parts, with technical support for installation, VFD setup, wiring, cooling configuration, troubleshooting, and CNC machine integration.