... : 70*70*15mm 3. bearing:sleeve. balls 4. volt: 12V,6V,24V,48V Brief introductions: 1. certificate: Rohs, CE, ... , CCC2. SIZE: 70*70*15mm3. bearing:sleeve. balls4. volt: 12V DC motoe fan DescriptionModel NO.SD-7015Dimension(mm)70*70*15Rated ... 41.5Lifetime(hour)50,000FunctionFG singal, PWM, Temp. auto-start, water proofMeterialPBT /PCPackingGIFT BOX/Industrial packing 12V DC ventilation fan 70*70mm