AO Smith 575 3.3-Inch Frame Diameter 1/20 HP 1550 RPM 208-230-Volt 0.9-Amp Sleeve Bearing Blower Motor Go to amazon.com Related posts Top recommendation for motor 230v Feature3.3-Inch Frame Diameter1/20 HP1550 RPM DescriptionSingle Phase, SP, 1 Speed, CCW Rotation, Open Vent, Shaft Dimension - 5/16 by 2-1/2, Motor Length - 2-3/4-Inch For Larkyn.