... motors and single r operation motor in th FD-II series outer rotor motor,extenal motor. As the axis is ... suction centrifugal fan and air-condition fan. The motor has been used widely in all kinds of aeration ... are 92mm,102mm,122mm,138mm.Motor rated power is from 20w to 1500w .The motor speed is from 1000rpm to ... to your requests. As so many kinds of motor specifications, you are welcome to contact us to ...