... H-30 3.Copper wire of ac motor 4.Aluminum bracket 5.ROHS,CE,TUV,UL FIGURE: ModelSupply Voltage A in drawingInsulation ... Bearing:Self-lubricating friction(sleeve) bearing8.Certificate: ROHS , CE , TUV, UL APPLICATION1.Safe and reliable ,low noise ,characteristics hard ,good starting ... ,long life ,etc .2.This ac motors can be used heater fan,ventilation fan, box fan ...