The Quantum CSG Series from Harmonic Drive LLC is the highest torque capacity Harmonic Drive™ gearhead ever produced. It delivers 30% more torque than the CSF series while maintaining zero-backlash, 1 arc-min positional accuracy, and +/- 5 arc-sec repeatability. The Quantum Series size 32 gearhead has an outer diameter of 138mm and is just 62mm in length. It has a rated torque of 1,575 in-lbs and a maximum torque of 7,890 in-lbs. It is available in gear ratios 50, 80, 100, 120 and 160:1. For detailed catalog and technical information, contact Harmonic Drive LLC through the link provided below.