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ER32 125mm 5.5KW Round Water Cooled
220V/380V
12000-24000 RPM
51*20*22 cm
27KG
Water Cooled
ER32
5.5KW
11A
Φ125*403mm
The Zhong Hua Jiang ER32 125mm 5.5kW water-cooled spindle motor is designed for CNC router manufacturers, professional machining workshops and industrial distributors. It combines an ER32 collet interface, a Φ125mm round housing, ceramic-ball bearings and a published 12,000–24,000 RPM speed range for compatible CNC machining systems.
The product listing identifies 220V and 380V motor versions, 400Hz operation and approximately 27kg spindle weight. It is offered here as a motor-only configuration; a correctly matched VFD, mounting arrangement and recirculating water-cooling circuit must be addressed separately.
Request ER32 5.5kW Spindle Pricing
The video provides general product reference footage. The exact motor, ER32 tooling interface, electrical version and accessories should be confirmed for the requested item.
Download the product catalogue for additional CNC machinery and component information. Configuration-specific spindle drawings and electrical data may be requested separately.
CNC Router Machine Catalogue 2025.pdf
The 5.5kW power class and ER32 toolholding system suit machine builds requiring a larger spindle assembly than many compact ER11 and ER20 models. The usable cutter diameter and machining load depend on the chosen ER32 collet, collet nut, tool specifications, VFD settings and the stiffness of the CNC machine.
The spindle body is specified as Φ125 × 403mm. Integrators should account for its approximately 27kg mass, spindle clamp, Z-axis payload, cable clearance and water connections. The source lists ceramic-ball bearings, but exact bearing grade, construction and tolerance should be verified for the ordered configuration.
For woodworking, plastics and light nonferrous-metal operations, select the cutter and cutting conditions according to the workpiece, machine rigidity and tool manufacturer's allowed spindle speed. The rated power alone does not establish a suitable material-removal rate.
Get 5.5kW ER32 Motor Specifications
The published values below identify the model family. Please confirm the selected 220V or 380V version against its nameplate, particularly the rated current and VFD output requirements. The listing displays 11A without separate electrical ratings for both motor versions.
Voltage | 220V/380V | 1 pcs 5.5KW Round Spindle Motor. |
Speed | 12000-24000 | |
Power | 5.5KW | |
Electric Current | 11A | |
Frequency | 400Hz | |
KG | 27KG | |
Connection | ER32 | |
Cooling | Water Cooled | |
Bearing | Ceramic Balls |
Published overall dimensions: Φ125 × 403mm. Operating speed: 12,000–24,000 RPM. Listed supply scope: one 5.5kW round spindle motor. The precise collet sizes, nut, aviation cable and other supplied parts should be confirmed in the quotation; they are not itemized in the original motor-only table.
Drive selection: A variable-frequency drive must support the required 400Hz output frequency and be matched to the exact motor voltage, rated current and power. A high-frequency spindle is not intended for direct connection to ordinary AC mains.
Confirm 220V/380V Ratings and VFD Match
ER32 5.5kW water-cooled spindles may be considered for CNC routing, engraving and selected milling operations when paired with suitable tooling, machine guards, workholding and chip management. Material compatibility depends on the complete machine and process, not the spindle nameplate alone.
For wood, MDF and panel processing, the spindle may be installed on compatible CNC routers for profiling, slotting, trimming and engraving. Cutter selection, feeds and depths of cut should be set for the workpiece and machine structure.
For acrylic, PVC and other machinable plastics, select cutter geometry and feeds to manage frictional heating, edge finish and chip removal. The water-cooling circuit controls spindle temperature; it does not replace material-specific cutting precautions.
Light machining or engraving of aluminum and brass may be possible with suitable tools and a sufficiently rigid machine. Confirm spindle torque at the intended operating speed, tool limits, workholding and lubrication or chip-removal requirements before use.
Discuss CNC Applications and Machine Requirements
The ER32 collet interface supports compatible interchangeable collets selected for the tool-shank diameter. Use approved matching nuts and collets, clean mounting surfaces and the correct tightening procedure. The ER32 designation does not itself establish a guaranteed runout value or automatic tool-changing capability.
The product publishes 400Hz frequency and a 12,000–24,000 RPM range. Speed control is provided by the correctly matched external VFD. Controller or PLC integration depends on the chosen drive interfaces and the machine wiring.
Two motor voltage options are listed. Specify the required version when requesting a quotation and check the voltage and current printed on that motor's nameplate before selecting the VFD or electrical protection. The displayed 11A value should not be applied to both options without confirmation.
Ceramic-ball bearings are identified in the published specification. Bearing performance and service life depend on model design, lubrication, rotating speed, cutting loads, tool balance and cooling. Request the bearing arrangement and any inspection tolerance required for the machine.
The spindle uses a water-cooled housing, requiring a properly sized recirculating coolant circuit. Verify the pump or chiller, coolant specification, hose fit and flow requirements before commissioning. Do not run the motor without the specified cooling flow.
Specify a compatible 125mm spindle clamp, check Z-axis load capacity and account for the full 403mm body length and connector clearance. Correct mounting, wiring, grounding and vibration checks are essential before machining.
Request OEM Spindle Integration Support
For a distributor purchase, replacement spindle or new CNC machine build, the following information helps identify the correct configuration and avoid mismatched components.
| Motor voltage | Confirm the ordered 220V or 380V motor nameplate and country-specific VFD supply requirements. |
| VFD compatibility | Check 5.5kW power class, 400Hz output capability, rated current and control interfaces. |
| Machine mounting | Verify Φ125mm clamp fit, 403mm body clearance, 27kg motor load and Z-axis capacity. |
| ER32 tooling | Specify intended cutter shank diameters, collet/nut selection and permissible tool speeds. |
| Cooling circuit | Confirm water inlet/outlet fit, pump or chiller requirements, hoses and coolant circulation. |
| Delivery scope | Confirm motor, cable/connector, ER32 accessories, VFD, pump and mount separately in the quotation. |
| Order requirements | Share target quantity, intended application, inspection criteria and destination country. |
Send Your Technical Purchase Requirements
The product specification table lists one 5.5kW round spindle motor. A VFD, pump/chiller, coolant hoses and mounting clamp are not identified as included components on this motor-only listing. Please confirm any toolholding accessories, electrical leads or optional accessories before placing an order.
Packaging photographs illustrate shipment and protection methods. The contents of each order should be determined from the written packing list and the confirmed quotation.
For replacement programs and wholesale orders, include the required quantity, voltage, ER32 collet requirements and accessories when requesting a commercial offer.
Confirm Spindle Package and Bulk Pricing
Compare related motor-only products and separately listed spindle/VFD kits before selecting a product configuration. Their voltages, toolholding systems, rated speeds and accessory quantities may differ.
Huajiang describes its spindle manufacturing activity as beginning in 2000, later expanding into variable-frequency drives and engraving machinery. The Zhong Hua Jiang brand was introduced in 2018. CNC machine builders and distributors can discuss spindle configurations, matching components and order-specific technical documents with the supplier.
Zhong Hua Jiang presents experience with spindle motors, related drive equipment and CNC machine components. The company references patent work relating to air-cooled spindles; such company information should not be interpreted as certification or patent coverage for this ER32 water-cooled model.
For OEM specifications or distributor purchasing, request documentation applicable to the exact ER32 5.5kW motor, inspection needs and destination market. Available commercial conditions are established through the supplier quotation.
Request ER32 5.5kW OEM and Distributor Information
Purchasing a spindle for production equipment involves more than the motor rating. Confirm the exact model specification, test requirements, service scope, accessory matching and shipment terms before committing to procurement.
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| Quality Assurance Discuss model-specific inspection and acceptance criteria. | Patents and Documentation Request documentation relevant to the selected product. | Product and Brand Range Compare spindle motors, VFDs and related CNC components. |
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| Factory-Direct Supply Discuss purchasing quantities and commercial conditions. | Technical Coordination Review electrical matching, cooling and installation requirements. | Order and Delivery Planning Confirm lead times, packing and shipment terms in writing. |
The company also presents a broad range of CNC spindle models. Machine compatibility, any applicable certificates, technical support coverage, prices and delivery schedules should be confirmed for each order.
CNC router equipment including 3018, 3020, 3040 and 6090 series is presented in the company range; the motor and drive must be matched to the actual machine platform.
Water-cooled and air-cooled spindle motors are offered with different power ratings, housing diameters and ER collet interfaces.
Compatible spindle mounts, coolant circulation equipment, limit switches, Z probes and emergency stop components may be selected by machine requirements.
Shielded cables and cable-chain products may be considered for CNC machine wiring, according to electrical and mechanical installation needs.
Stepper motors are available for CNC axis motion systems; specify the required drive, control and load parameters.
The image above is retained as company documentation reference. Before relying on certification or conformity documentation, ask which documents apply to the exact ER32 5.5kW water-cooled spindle motor, ordered voltage version and destination market.
Customer feedback images are general references. For an OEM or industrial project, request application-relevant examples and model-specific inspection information.
Ask for ER32 Technical Documents and a Quotation
It is intended for suitably configured CNC routers, engraving machines and selected milling equipment. Common applications include wood, MDF, acrylic and plastics, while light nonferrous-metal work requires adequate rigidity, tooling and process selection.
The listing states 5.5kW, ER32 collet interface, Φ125 × 403mm, 220V/380V options, 400Hz, 12,000–24,000 RPM, ceramic-ball bearings and approximately 27kg weight. It also lists 11A without specifying separate currents for both voltages.
They are different collet systems. ER32 generally accommodates a larger family of compatible collet sizes, but the supported tool-shank range, nut type and safe operating speed must be checked for the selected collet and spindle. ER25 and ER32 collets are not directly interchangeable.
No. ER32 identifies the collet interface. An automatic tool-changing mechanism requires additional machine and spindle features; verify that capability explicitly before ordering.
The original package list states one 5.5kW round spindle motor. It does not itemize a VFD, water pump, hoses or mounting clamp as included equipment. Verify the final packing list with the quotation.
Select a VFD with output voltage, rated current, power capability and 400Hz operating range matching the exact motor version. Check available control interfaces and protective settings before installation.
No. The high-frequency spindle requires an appropriately rated VFD rather than direct mains connection. Wiring and grounding must follow the drive and spindle documentation.
The listing publishes 11A but does not provide separate current ratings for 220V and 380V. Obtain the nameplate data for the exact ordered motor before electrical design or acceptance.
Ask About ER32 Spindle Compatibility
The stated working speed range is 12,000–24,000 RPM. Verify the operating limits and VFD parameter settings for the actual motor and cutter assembly.
The original specification gives 400Hz. The selected VFD must support the required output frequency as well as the motor voltage and current.
The product page identifies ceramic-ball bearings. The exact bearing part numbers, precision grade and arrangement are not specified in the provided description and should be confirmed if they form part of the purchase specification.
No fixed service life is established by the bearing material alone. Spindle loading, tool balance, cooling, contamination, operating speed and maintenance all affect bearing life.
Use a mounting assembly suitable for a Φ125mm cylindrical spindle housing, subject to the manufacturer mounting drawing and the machine frame design.
The listing gives approximately 27kg. Check the Z-axis structure, motorized lift capacity and additional clamp or cable mass during equipment design.
The product specification shows a Φ125 × 403mm spindle body. Confirm any cable connector, cooling port or installation clearance beyond the body dimensions.
An appropriately sized circulation system, suitable hoses and coolant are needed. Obtain the manufacturer recommended flow and coolant requirements; these values are not specified on the supplied page.
A pump is not itemized in the published one-motor package list. Ask for the confirmed packing list or a quotation for the required cooling system.
Yes, it can be considered for compatible CNC wood and panel-processing machines. Cutter selection, feed rate, cut depth and machine rigidity must be appropriate for the operation.
Ask About ER32 Spindle Compatibility
The spindle may be used for properly configured acrylic and plastic cutting applications. Appropriate tool geometry and feeds are needed to manage heat, finish and chip evacuation.
Light machining or engraving may be possible with a rigid machine and properly selected tooling and process parameters. The 5.5kW rating alone does not confirm suitability for heavy metal removal.
The original package table lists one spindle motor only; it does not itemize ER32 collet sizes or a nut. Confirm the included toolholding components with the supplier.
A compatible CNC controller or PLC may control a suitable VFD through its supported interfaces. The motor itself does not include an integrated PLC or controller.
Machine builders may submit intended voltage, spindle mounting layout, collet requirements, wiring and purchase volume for a feasibility and quotation review. Any custom features should be confirmed before order placement.
Yes. Share the motor version, annual or batch quantity, target market and required accompanying components for an order-specific wholesale quotation.
MOQ, production lead time, stock status, warranty scope and after-sales terms should be confirmed in the written quotation and sales agreement for the selected motor configuration.
Provide the required 220V or 380V version, machine model, mounting drawing, compatible VFD details, intended materials, ER32 tooling needs, quantity and destination country.
