This is the HS-635HB High Torque Ball Bearing Servo from Hitec. The HS-635BB utilizes the revolutionary “Karbonite™” gear train. Karbonite™ is four times stronger than our standard nylon gears and even after hundreds of thousands of cycles it does not show any signs of wear. With a powerful motor, and dual ball-bearing mounted output shaft, the HS-635BB offers plenty of torque and speed. If your application requires increased speed and torque, the HS-635BB is the perfect upgrade from a standard size servo.
Transit time: 0.18 sec/ 60 deg. @ 4.8V (0.15 sec/deg @ 6V)
Torque: 69.4 oz/in @ 4.8V (83.3 oz/in @ 6V)
Weight: 50.0g (1.76 oz)
Length: 40.6mm (1.59")
Width: 19.8mm (0.77")
Height: 38.8mm (1.52")