1. certificate: Rohs, CE, ISO9001, TUV, UL, FCC, CCC 2. SIZE: 70*70*15mm 3. bearing:sleeve. balls 4. volt: 12V,6V,24V,48V Brief introductions: 1. certificate: Rohs, CE, ISO9001, TUV, UL, FCC, CCC2. SIZE: 70*70*15mm3. bearing:sleeve. balls4. volt: 12V DC motoe fan DescriptionModel NO.SD-7015Dimension(mm)70*70*15Rated Voltage(V)12vRated Current(A)0.11/0.18/0.25/0.55Rated Speed(RPM)3000/3600/4200/ ...