24V 4020 Blower Fan, High Speed 12000 RPM, PWM Control, 40mm Dual Ball Bearings

4020 24V 4-pin Dual Ball High-Speed 40 x 40 x 20 mm DC PWM Cooling Fan Why choose this fan - Compact high-speed cooling designed for tight spaces where reliable airflow is needed. - PWM-ready 4-pin control for easy speed management and quieter operation at reduced duty cycles. - Dual ball bearings for extended service life and stable operation under continuous use. - Precise dimensions and connector standard for straightforward replacement or retrofit. Key benefits - Targeted cooling performance: 12000 RPM and 7.74 CFM deliver strong airflow for small enclosures, power electronics, and component cooling. - Durable operation: dual ball bearing design increases lifespan while maintaining consistent rotational stability. - Easy integration: 40 x 40 x 20 mm size and 36 mm mounting hole spacing make it simple to fit in common 40 mm fan mounts. - Standard control and power: 24 V rated voltage and a 4-pin 1.25 mm pitch connector support PWM speed control and compatibility with many controllers. Technical specifications - Dimension: 40 x 40 x 20 mm. - Mounting hole spacing: 36 mm with tolerance 0.2 mm. - Connector: 4-pin 1.25 mm pitch. - Bearing: Dual ball bearing. - Rated voltage: 24 V DC. - Rated current: 0.20 A. - Speed: 12,000 RPM. - Airflow: 7.74 CFM. - Noise level: 37 dBA. - Cable length: 20 cm. - Rated lifetime: 5,000 hours. - Weight: 23 g per unit. Practical notes - Blower-style fans may produce slightly more noise than some axial fans; this model balances airflow and life expectancy. - Dual ball bearings typically make more noise than sleeve bearings but provide longer operational life and better performance at higher speeds. - The current value on product labels may be updated from time to time while other parameters remain consistent. - Multiple packing options and custom sizes or configurations can be produced to customer requirements. Typical applications - 3D printer hotend and enclosure cooling where a compact high-speed fan is required. - Industrial control cabinets, power supplies, and motor drivers that need consistent cooling in restricted spaces. - Network equipment, small NAS enclosures, LED drivers, and other compact electronic devices that accept 24 V fans and PWM speed control. Compatibility and installation tips - Designed to replace or upgrade other 40 x 40 x 20 mm fans with 36 mm mounting centers. - Verify that your controller or motherboard supports a 4-pin 1.25 mm pitch connector for PWM control, and confirm 24 V supply availability. - Ensure mounting screws match the 36 mm spacing and use appropriate vibration-damping hardware if required. This compact 4020 24 V DC PWM cooling fan offers a practical balance of airflow, speed control, and durability for a wide range of small-form-factor cooling needs.