Parallel Shaft Gearmotors Shaft Orientation Parallel Motor Enclosure Totally Enclosed Nonventilated Operating Voltage 90V DC Motor Type Permanent Magnet DC Nameplate Speed 20 RPM Maximum Torque 100 in-lb Starting Torque 100 in-lb Overhung Load Capacity 155 ft-lb Rotation CW/CCW Output Shaft Height 3 in Mounting Orientation Horizontal Vertical with Shaft Down Gear Ratio 90 1 Input Horsepower 1/20 hp Motor Insulation Class F Efficiency 37.3 Percent Output Shaft Diameter 1/2 in