WINSINN 50mm Blower Fan all use Dual Ball bearings
►Dual Ball bearings - High Speed
►High quality Dual ball bearings, More stable and Long life, suitable for continuous work. Use time can 24 hours / day. The life expectancy is about 60,000 hours. No maintenance required. But Lubricating oil can further reduce noise.
►Size: 40x40x10mm
►Rated voltage: DC 5V / 12V / 24V
►Line length: about 11.8in / 30mm OR 39.37in / 1000mm
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