PROTECH 51-104617-03 - Blower Motor - EcoTech - 1 HP, 120/1/60, Variable Speed Shaft Diameter (in.): 1/2 Motor Body Diameter (in.): 5 39/64 Keyed/Flat Shaft Length (in.): 4 Overall Shaft Length (in.): 5 Motor Body Length (in.): 7 1/4 Overall Motor Length (in.): 12 1/4 Mounting: Shell-band Frame Size: 48 Bearing Type: Ball Application: Blower Drive Type: Direct Drive