ER11 65mm 1.5KW Round Water Cooled Kit
110V/220V
10000-24000 RPM
3.6kg
Water Cooled
ER11
1.5KW
8A
Ф65mm*268mm
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CNC Router Machine Catalogue 2025.pdf
The Zhong Hua Jiang ER11 65mm 1.5KW water cooled spindle motor VFD kit is a ready-to-install CNC spindle solution for engraving, cutting, carving, and light milling. The kit combines a Φ65mm 1.5KW round water cooled spindle motor with a matched 1.5KW VFD inverter, clamp mount, water pump, water hose, ER11 collets, drill bits, aviation wire, power wire, and wrenches.
This 1.5KW CNC spindle motor kit is designed for CNC routers, desktop CNC machines, engraving machines, woodworking machines, acrylic cutting systems, PCB engraving, and small workshop production. It supports stable 10,000–24,000 RPM operation and helps machine builders reduce sourcing time by receiving the spindle, inverter, cooling parts, and accessories in one matched package.
For B2B buyers, distributors, OEM machine builders, and professional CNC users, the ER11 1.5KW water cooled spindle motor kit offers compact size, quiet operation, reliable water cooling, accurate speed control, and convenient installation. The VFD is supplied as part of the kit to simplify spindle speed setup and improve integration efficiency.
Zhong Hua Jiang supports sample orders, bulk purchasing, OEM customization, distributor cooperation, and export supply for CNC spindle motor kits. Buyers can request technical support for wiring, VFD parameter setup, spindle matching, and CNC machine integration.

Key kit specifications include a Φ65mm 1.5KW round water cooled spindle motor, 1.5KW VFD inverter, Φ65mm clamp mount, 110V water pump, 5-meter water hose, ER11 collets from 1mm to 7mm, drill bits from 0.8mm to 3mm with 1/8-inch shank, aviation wire, power wire, and wrenches. The spindle body size is Φ65mm × 267mm with approximately 3.6kg spindle weight, suitable for 10,000–24,000 RPM CNC engraving and cutting.

| 1x | Φ65mm 1.5KW Round Spindle Motor |
| 1x | 1.5KW VFD Inverter |
| 1x | Φ65mm Clamp Mount |
| 1x | 110V Water Pump |
| 1x | 5 Meter Water Hose |
| 13x | Collets ER11(1mm-7mm) |
| 10x | Drill Bits(0.8-3mm, 1/8" Shank) |
| 1x | Aviation wire |
| 1x | Power wire |
| 2x | Wrenches |
| Spindle motor Size: Φ65mm*267mm | |
| Spindle Weight: 3.6kg |

The ER11 65mm 1.5KW water cooled spindle motor VFD kit is built for users who need a compact, quiet, and stable CNC spindle package with matched accessories. The water cooled design supports longer machining cycles than small air cooled spindles, while the ER11 collet system provides accurate clamping for small engraving and cutting tools.
The included VFD inverter allows speed adjustment for different materials and machining tasks. With the spindle, inverter, cooling components, collets, wiring, and wrenches supplied together, this kit is suitable for CNC router upgrades, OEM CNC machine assembly, workshop replacement, and distributor stocking.
Zhong Hua Jiang ER11 65mm 1.5KW Water-Cooled Spindle Motor features an intelligent control system and is designed for simple, user-friendly operation, suitable for users of all skill levels.
This is a Φ65mm round water-cooled spindle motor with ER11 collet chuck. It delivers 1.5KW of power, supports 10,000–24,000 RPM speed range, and achieves runout less than 0.005mm. Equipped with four upgraded high-precision steel bearings for up to 3× longer lifespan than standard models, it incorporates advanced dynamic balancing technology for minimal noise and vibration.
The water-cooled design provides excellent heat dissipation, significantly lower operating temperatures, and much quieter performance, making it ideal for long-duration, high-precision engraving and cutting.
Zhong Hua Jiang ER11 1.5KW Quiet Water Cooled Spindle Motor kit features an intelligent control system, designed for ease of operation, making it accessible for users of all skill levels.
Equipped with an ER11 collet, ensuring secure tool holding, minimal runout, and precise machining for consistent results.
Integrated with programmable logic controller (PLC) compatibility, allowing easy adjustments for speed (10,000–24,000 RPM) and other parameters to suit various project needs.
All electrical components, supporting 110V/220V and 8A current, are branded for stability and reliability, ensuring long-lasting performance.
Features precise speed control with a range of 10,000–24,000 RPM, enabling smooth and accurate operation for diverse CNC applications.
The specially designed water-cooling system (Φ65mm spindle body) ensures efficient heat dissipation with reduced noise, enhancing durability and performance for extended CNC operations.

Innovative & advanced dynamic balancing technology
Effectively reduce the noise
Increase stability in the working process

Authentic 4pcs upgraded
Superior durability steel bearings
All copper lengthening coil of rotor
Working life can reach 2 years for 8 hours / day
| Our Spindle Motor | Other Spindle Motor |
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| Runout less than 0.005mm | Runout 0.05mm |
Further processing for spindle motor
Runout of the spindle motor is less than 0.005mm
10 times precision beyond normal spindle motor
10 TIMES PRECISION RUNOUT OFF

Equipped with pre-soldered aviation wire and power wire for quick installation
THE VFD HAS BEEN PROGRAMMED
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.
Besides the Zhong Hua Jiang 1.5KW ER11 water cooled spindle motor kit, we offer a variety of other water cooled spindle motor models to suit diverse CNC project needs. Our lineup includes the 2.2KW water cooled spindle motor kit for high-performance engraving and cutting on wood, acrylic, and soft metals, the 3KW water cooled spindle motor kit for professional projects, and specialized air-cooled spindle options for enhanced versatility.


Huajiang was founded in 2000,starting in the production of CNC engraving spindle motor,then expanded production to VFD(Variable Frequency Drive) and engraving machines .
To explore and develop more market,we established Brand “Zhong Hua Jiang” on 2018.
We have registered patent for our series of air cooling spindle motor. The patent No:200730184245.5.
We have 20 years manufacturing experience in this field.
We have been exporting our products to all over the world including well-known company in USA and Germany.

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Quality AssuranceSuperior quality performance Strict quality control | Patents and CertificationsSeveral patents for air-cooled spindle motors | Additional Brand ValueBrand value highly recognized by the market |
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Reasonable PriceDirect factory sales Highly cost performance | Full Time ServiceProfessional technical support Close and quick customer service | Fast and Reliable DeliveryFast and efficient delivery Real-time tracking and updates |
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.
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.
Enhance your CNC operations with our precision accessories, such as limit switches, Z probes, and emergency stop buttons, perfect for ensuring safety and accuracy.
Ensure reliable and safe connections with our double-shielded cables and shielded chain cables, designed to minimize signal interference and enhance durability.
Drive your CNC machine with our high-performance stepper motors, offering precise control and robust operation for consistent project outcomes.


The kit includes one Φ65mm 1.5KW round water cooled spindle motor, one 1.5KW VFD inverter, one Φ65mm clamp mount, one 110V water pump, a 5-meter water hose, ER11 collets from 1mm to 7mm, drill bits from 0.8mm to 3mm with 1/8-inch shank, aviation wire, power wire, and two wrenches.
This kit is suitable for CNC routers, engraving machines, woodworking CNC machines, desktop CNC machines, acrylic cutting machines, PCB engraving machines, and small workshop CNC systems that need a compact Φ65mm water cooled spindle with VFD speed control.
The spindle motor is a Φ65mm 1.5KW water cooled CNC spindle with ER11 collet connection, 10,000–24,000 RPM speed range, compact round body, and approximately 3.6kg spindle weight. The spindle body size is listed as Φ65mm × 267mm in the original specification table.
A water cooled spindle motor provides stable heat dissipation, lower operating noise, and better long-duration performance. The matched VFD inverter makes speed control easier and helps users integrate the spindle into CNC routers with fewer compatibility issues.
The page states that the VFD has been programmed. Buyers should still confirm local voltage, wiring, cooling circulation, and parameter settings before operation to ensure safe installation and reliable spindle performance.
Yes. The 1.5KW ER11 water cooled spindle motor kit is suitable for engraving and light cutting on wood, acrylic, MDF, plastics, PCB boards, PVC, plexiglass, and light soft-metal machining such as aluminum or brass when matched with suitable tools, feeds, speeds, and cooling conditions.
Yes. Zhong Hua Jiang supports sample orders, bulk purchasing, distributor cooperation, OEM branding, packaging customization, and technical support for CNC machine builders and resellers.
Zhong Hua Jiang provides a 12-month warranty for spindle motors, power converters, and accessories, along with technical support for installation, VFD parameter setup, wiring, troubleshooting, and product selection.
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