... ,After special treatment, to prevent mildew, permanent use4,High temperature and low temperature resistance, corrosion resistance, anti-bending, anti-fall Cross Flow ... ):19Steel shaft diameter:Φ6Hole diameter of bush: Φ8Number of the vanes(pcs):35Rotation Direction: CWNow we have diameter of series Φ60, Φ61, Φ67, ... over world ,including Midea ,Gree ,AUX, CHIGO ,LG ,etc. heat pump fan blades-97*763