The 47 URAI-G blower has a 4 inch gear and a 7 inch rotor length. The NPT connection is 3 inches with a shaft diameter of 0.875 inches. Please refer to the installation and operation manual for more technical information about model 47 URAI-G. For better assistance with ordering model 47 URAI-G please contact air blower services.
Reference BOM #651100G0 or 47 URAI-G