HS-485HB updates the very popular HS-475HB by adding more torque and greater speed. With a top ball bearing, heavy duty, high impact Karbonite™ gears and high performance circuitry, the HS-485HB offers lots of torque and features excellent centering and resolution.
Specifications

Bearing Type:  Top BB
            Speed:  0.20 , 0.17 sec @ 60 deg.
EnglishMetric
          Torque:7   2 / 89 (4.8v / 6.0v)