WINSINN 30mm fans all use Hydraulic bearings and Dual ball bearings
►Hydraulic Bearings - High Speed / Quiet version
►High quality Hydraulic bearings, Better than Oil bearings, More stable and Long life, suitable for continuous work. The life expectancy is about 45,000 hours.
►Size: 30x30x10mm
►Rated voltage: DC 5V / 12V / 24V
►Line length: about 1.18in / 30mm
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