This is a Regal Beloit Century Centurion B2854V1 Square Flange Up-Rated, 1.5 HP Pool and Spa Pump Motor, 3450 RPM, 115/230 Volts, 56Y, Threaded Shaft. It has sealed ball bearings and UL 1081 design. This motor features a stainless steel threaded shaft and is 50 degrees C ambient.
Century motors by Regal have been carefully engineered to meet the rugged demands of the pool and spa industry. They are the innovative leader in pool pump motors.