Caloritech - Chromalox (12519-002) 1/50 hp 1550 RPM CWSE 230V # R210 1/50 hp 1550 RPM 230V; .40 amp, 230 volt Shaft: 1/4" x 1.5", Rotation CWSE 24" Leads; 3.3" Diameter motor Motor case length 2.40"; Sleeve Bearings 2 Mounting studs-shaft end