This premium type helical gear planetary gear reducer is offering 3 precision levels and 7 frame sizes to choose. They are ready for most industry and mo"on control applica"ons. Square moun"ng flange, caged premium class helical planetary gears in an inline housing through sizes 220 mm. High torque capacity, quiet opera"on with backlash as low as < 1 arcmin. Ra"os 3:1 to 100:1. It is the best power transmission component for the Industrial Robots, Semiconductor Devices, Automa"c Storage System, etc.