and the piece is intended to never require oiling

5 inches in diameter

Note: Under ANSI Z358

As a result

Nidec US Motors U2P2H 3-Phase Rigid Motor, 2 HP, 3-Phase, 1800 RPM, 200V, 145T Frame Material-Metal and the piece is intendedFeatures: 40 degree C ambient Item: General Purpose AC Motor, Motor Type: 3 Phase, HP: 2, Nameplate RPM: 1800, Voltage: 200, Frame: 145T, Enclosure: Totally Enclosed, Rotation: CW CCW, Hz: 60, Phase: 3, Speeds: 1, Service Factor: 1. 25, Insulation Class: F, Mounting: Steel Edge, Bearings: Ball, Base: Rigid, Shaft Type: Key, Shaft Number: 1, Shaft Length: 2. 31", Shaft Height: 3. 5", Shaft Dia.: 0. 875", "C" Dim: 12. 8, Thermal Protection: No, Cooling: