Product Description: 220/380V 2.2KW CNC Air-Cooled Spindle Motor Engraving Milling Grind GDZ93X82-2.2 Specifications: Diameter: 93mm Intersecting Surface: 93*82mm Spindle Length: 248.5mm Speed Range: 0 ~ 18000rpm Cooling Method: Air-cooled Material: 304 Stainless Steel Bearing Configuration: 2X7005CP4, 2X7002CP4 DT (4 bearings) Maximum Speed: 18,000rpm Maximum Operating Frequency: 300Hz Radial Runout: 0.01mm Coaxial Degree: 0.025mm Clamping Diameter: ER25 collet (3.175mm/6mm) Nut Model: ER25 type, collet 6mm default (other sizes available upon request) Speed Adjustment Mode: Through the inverter to adjust the output voltage and frequency, achieving 0-18000 stepless speed adjustment Lubrication: High temperature grease Features: High-Quality Construction: Made of 304 stainless steel for durability and long-lasting performance. Air-Cooled: Efficient air cooling system ensures the spindle motor stays cool during prolonged use. Precision Bearings: Equipped with 4 high-quality bearings (2X7005CP4, 2X7002CP4 DT) for stable and precise operation. High-Speed Performance: Capable of reaching speeds up to 18,000rpm, suitable for various CNC applications. Accurate Operation: Features a radial runout of 0.01mm and a coaxial degree of 0.025mm, ensuring precise milling, engraving, and grinding. Versatile Clamping: Comes with an ER25 collet (default size 6mm, other sizes available upon request) for versatile tool holding. Package Includes: 1 x 2.2kw Air-cooled Spindle Motor with an ER25 collet Applications: CNC Engraving: Ideal for detailed and precise engraving tasks. Milling: Suitable for milling applications requiring high precision. Grinding: Capable of handling various grinding tasks with high efficiency. Installation Note: Ensure compatibility with your CNC machine and inverter before purchasing. Professional installation is recommended to ensure proper fit and function. This 2.2KW air-cooled spindle motor is a robust and reliable choice for your CNC machine, offering high precision and durability for various engraving, milling, and grinding applications.