Amps: 181Bearings: BallDuty Cycle: ContinuousEfficiency: 0.958Enclosure Material: IronEnclosure Type: TEFC (Totally Enclosed Fan Cooled)Frame: 445THP: 150Hz: 60Insulation Class: HManufacturer Model #: 445THFN9087Maximum Ambient Temperature: 40° CMotor Shell Length: 20.25"Mounting Orientation: HorizontalMounting: BaseNumber of Speeds: 1Overall Length: 43.35"Phase: 3Product Type: Three PhaseRotation: ReversibleRPM: 1190Service Factor: 1.15Shaft Diameter: 3-3/8"Shaft Length: 8.76"Volts: 460