The 53 URAI-G blower has a 5 inch gear and a 3 inch rotor length. The NPT connection is 2.5 inches with a shaft diameter of 1.125 inches. Please refer to the installation and operation manual for more technical information about model 53 URAI-G. For better assistance with ordering model 53 URAI-G please contact air blower services.
Reference BOM #651120G0 or 53 URAI-G