DC Motor for Water Pump,spa chair motor 1.Frequency:50Hz-60Hz 2.Voltage:DC12V- ... produce all kinds of size motors at your requirements.A.Shaft diameter:4.5mm,6.35mm,7.14mm,8mm,9.525mm ... motor production4.CE,CCC,ISO 9001:2008 Approved DC Motor for Water Pump,spa chair motor