JX PS-5521MG 20KG large Torque Metal Gear Servo motor

Name: PS-5521MG Analog Servo
Weight: 85g
Size:40.5×40.3x20mm
Maximum Angle: 90?
Gear: Metal
Voltage:4.8V-6V
Dead band: 7?s 1520?s / 50hz
Operating Speed (4.8V): 0.18 sec/60?
Operating Speed (6V): 0.16 sec/60?
Stall Torque (4.8V): 17.25 kg.cm (239.55oz/in)
Stall Torque (6V): 20.32 kg-cm (281.89 oz/in)
Dimensions: 40.5X20.2X38mm /1.59 X0.80X49 in
Weight: 55.6 g (1.96oz)
Connector Wire Length: JR 265 mm (10.43in)
Bearing: 2BB