Overview Product Description Speed 1/25 HP 1550 RPM 1.5 Amps Sealed Ball Bearings Motor Diameter: 3 3/8" Motor Length (less shaft): 3 1/4" Shaft Dimensions: 5/16 x 2.55" 40C Ambient Open Air Over Thermally Protected Continuous Duty Cross Reference: U534, 7173-0038 Product Videos Custom Field Product Reviews