Hitec HS-85BB+ Ball Bearing Micro Servo (0.67 oz, 42 oz-in)
Details:
* Weight: 0.67 oz (19.2 g)
* Dimensions: 1.1 x 0.5 x 1.1 in (29 x 13 x 30 mm)
* Torque: 42 on-in (3.0 kg-cm) @4.8 V [49 oz-in (3.5 kg-cm) @ 6.0 V]
* Speed: 0.16 sec/ 60 degree @ 4.8 V [ 0.14 sec/60 degree @ 6.0 V]
* Bearing Type: Top Ball Bearing
* Motor: 3 Pole Ferrite