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Features:
Maintenance-free double ball bearing with sufficient cooling air volume and pressure has a long service life. Made of high-quality technical plastics, long service life, not easy to damage. It can be used for indoor and outdoor communication base station, data centre, network router, control cabinet and network switch, elevator ventilation. and motor and motor drive. It can be used for 100,000 hours at ambient temperature of 25 and humidity from 45 to 85%. Easy for installation, reliable quality ensures stable and excellent performance.