HobbyKing ball bearing analog servo, featuring 2 ball bearings on in the gear train for added smoothness and precision.

This servo is o-ring sealed and waterproof.

Specs:
Voltage: 4.5-6V
Speed: 0.16sec/60deg(4.8v)   0.13sec/60deg(6.0v) 
Torque: 4kg.cm (4.8v) 4.5kg.cm (6.0v)
Size: 40.9mm x 20mm x37.75 mm
Weight: 40g
Motor: Coreless
Gear Train: plastic
Ball Bearing: 2
Type: analogue