Product Description Introducing the ER11500W High-Speed Cooling Brushless Spindle Motor - the ideal choice for DIY enthusiasts focusing on PCB engraving, acrylic work, and drilling applications. This motor blends efficiency with low noise for a seamless operational experience. Features: High Performance: Experience ultra-fast rotation speeds that ensure precision and consistency in every task you undertake. Brushless Technology: Designed to offer minimal interference, this motor produces no sparks during operation, reducing concerns about interference with nearby wireless devices. Low Noise Operation: Enjoy a quiet working environment as the brushless motor eliminates the friction caused by brushes, leading to reduced wear and tear and maintaining a steady ambiance. Low Maintenance: With a long lifespan, the primary maintenance requirement focuses on bearings. Simple dust removal maintenance ensures optimal performance over time. Efficient Cooling: The built-in forced air cooling system allows the motor to function for extended periods without overheating, making it suitable for intensive tasks. Specifications: Model: ER11500W Motor: New brushless DC motor Operating Voltage: 48V DC Peak Power: 500W No-load Speed: 12000 r/min Peak Torque: 0.6 N.m Insulation Resistance: >2M ohm Dielectric Strength: 400V Diameter: 57MM (Back and front cover), 55MM (Motor middle section) Spindle Radial Runout: 0.01-0.03 Motor Length: 185mm (including fan and motor holder) Spindle Weight: 1.4KG Package Includes: 1 x ER11500W High-Speed Cooling Brushless Spindle Motor 1 x Controller 1 x Connecting Parts 1 x Mount Bracket Choose the ER11500W Spindle Motor for your next project and experience unparalleled performance and reliability.