From the Manufacturer

Hitec's HS-45HB offers the economy and durability of our other famous micro servos, but now with a ball bearing supported output shaft and Karbonite gears. Features Specifications Motor Type: 3 Pole Bearing Type: Top Ball Bearing Speed (4.8V/6.0V): 0.14/0.12 sec @ 60 deg. Torque oz./in. (4.8V/6.0V): 14/17 Torque kg./cm. (4.8V/6.0V): 1.0/1.2 Size in Inches: 0.92x0.38x0.88 Size in Millimeters: 23.37x9.65x22.35 Weight ounces: 0.28 Weight grams: 7.94 Advanced Servo Specifications Control System: +Pulse Width Control 1500usec Neutral Operating Voltage Range: 4.8V - 6V Operating Temperature Range: -20°C to +60°C (-4°F to +140°F) Idle Current: 8mA No Load Running Current (4.8V/6.0V): 100mA/60° Stall Current (4.8V/6.0V): 440mA Dead Band Width: 5usec Potentiometer Type: 2 Slider/Direct Drive Connector Wire Length: 250mm (9.84 in) Connector Wire Gauge: 28AWG.