Electrical Type: POLYPHASE HP: 5 KW: 3.7 RPM: 1755 Frame: 184T Enclosure: Open Drip Proof Phase: Three Voltage: 200 Rotation: Reversible Overload: None Material: Rolled Steel Bearings Type: Ball / Ball Bearings SE Type: Ball Bearings OSE Type: Ball Mounting: Rigid Base Amperage: 14.7 Shaft Type: Keyed Shaft Extension: 2.750" Shaft Diameter: 1.125 Bearings DE Type: Ball Bearings ODE Type: Ball Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2036|Inverter duty 10:1 variable torque and 2:1 constant torque|1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power|Standard assembly F1, reversible to F2 assembly|Dual frame mounting holes|Will become build-up item when current stock is gone