
This compact, high-performance 2.2 kW air-cooled spindle is built to deliver precise, reliable cutting for CNC routers, engraving machines and light milling applications. With a top speed of 24,000 rpm and 400 Hz operation, it handles high-speed finishing and fine-detail work while remaining fully compatible with standard frequency converters for flexible speed control. The ER20 collet is quenched manganese-steel for exceptional precision and durability, which reduces tool breakage and keeps your tooling costs down. Dynamic balancing and runout under 0.01 mm produce smoother cuts, less vibration and noticeably quieter operation for better surface finishes. Four imported high-precision bearings provide superior hardness and corrosion resistance, ensuring consistent concentricity and a long service life under continuous use. The air-cooling design efficiently dissipates heat so the spindle runs cooler and maintains accuracy during extended production runs. Its compact footprint (62 mm diameter × 261 mm length / 2.4 × 10.3 in) and square housing make installation and alignment straightforward on most machines. Running on 220 V, the unit offers ample power and torque for hobbyists and small shops that need professional-level results without a complex setup. Durable construction and low maintenance requirements minimize downtime, making this spindle a practical upgrade to increase throughput, improve surface quality and extend tool life.
Technical parameters: Diameter 6.2 cm × Length 26.1 cm (φ2.4 × 10.3 in); Power 2.2 kW; Voltage 220 V; Current 7.8 A; Collet ER20; 4 bearings; Frequency 400 Hz; Speed 24,000 rpm; runout < 0.01 mm. ER20 collet is manganese-steel quenched for high precision and durability, reducing tool breakage; dynamic balancing lowers noise. Imported high-precision bearings improve hardness and corrosion resistance. Air-cooling design ensures efficient heat dissipation for smooth operation. Ideal for engraving machines or use with a frequency converter.
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