Century AO Smith UB09CCH2F Unit Bearing Fan Motor, 9 HP, Split-Phase, 1550 RPM, 230V, Unit bearing Frame Nominal Size-24" X 24" X 1.25" Shaft Length: 4"

Shaft Length: 4"

The skirt is also made of 18-gauge stainless steel

The necessary dimensions for this rough opening are 5-1/2 inches in width by 5-1/4 inches in height by 2-3/8 inches in depth

Non-tip mounting bracket included

Century AO Smith UB09CCH2F Unit Bearing Fan Motor, 9 HP, Split-Phase, 1550 RPM, 230V, Unit bearing Frame Nominal Size-24" X 24" X 1.25" Shaft Length: 4"Cross Reference: Emerson 2109 Features: 3 rear mounting holes, UL & CSA recognized, Horizontal and shaft up mounting only, Two feet, Emerson number 2109 Item: Unit Bearing Motor, Motor Type: Split Phase, HP: 9, Nameplate RPM: 1550, Voltage: 230, Frame: Unit bearing, Enclosure: Totally Enclosed, Rotation: CCWLE, Hz: 50, 60, Speeds: 1, Shaft Type: Special, Shaft Number: 1, Protection: Auto, Thermal Protection: Yes, Cooling: Air Over.