SLEEVE BEARING: An alloy sleeve bearing with sliding friction is used, and lubricating oil is used in the sleeve to reduce friction SLEEVE BEARING: An alloy sleeve bearing with sliding friction is used, and lubricating oil is used in the sleeve to reduce friction loss. The lubricating oil will be slowly consumed during use. The advantages are low noise and low cost. (Slight Noise)
APPLICATION: 12 PCS Micro cooling 40mm 5V fans, can be used as a replacement fan for any electronic products.such as 3D printer, small humidifier, aromatherapy, cpu, PC, computer, circuit board ect.
COOLING FANS SPECIFICATION: Voltage DC 5V; Fan Blade 9PCS; Rotating Speed 5100RPM; Noise 20DBA/ A Little Noise. Current 0.15A; Power 0.75W; Long life 20000H; Airflow 4.3CFM; Air Pressure 1.8mmH₂O; Power Connection 2PIN-XH2.54. (NOTE: Red wire is positive, Black wire is negative)
SIZE: 40x40x10MM(L*D*H), Cable Length: 23.6in (600mm). Which micro size and lightweight design, suitable for 3D printer hotend / nozzle or any other cooler needs.
SAFE: This fan meets FCC and CE guidelines and has been approved to ensure a safe and productive work environment.