... Fan 1.frame size(mm):80X80X25 2.bearing type:ball,sleeve,hypro bearing 3.rated voltage:12V,24V ADDA AD8025 ... AWG26 10 Plastic Material Motor protection and polarity protectionADDA AD8025 Sleeve Bearing Case Computer Fan detailed specification:1. frame size(mm ... ): 80X80X252. bearing system type: ball,sleeve, hypro bearing3. rated voltage:12V,24V4. rated speed: 3500~5000RPM5 ...