Ultra Compact Harmonic Gearbox Reducer 50 to 1 for Robotic Arms Tiny But Mighty Rotary Reduction Actuator With Flange Output For Nema 17 Stepper Motors Low Backlash 20 Arcsec High Torque And Precise Motion For Robot Joints

Compact 50:1 Harmonic Gearbox for NEMA17 robotics
✔️ 50:1 reduction, backlash under 20 arcsec, 8.3 Nm peak torque, single unit

This ultra-compact, high-precision harmonic gearbox reducer is designed to pair with NEMA17 stepper motors. It’s widely used in robotic arms, CNC equipment, packaging lines, and medical automation where precise, repeatable motion is essential.

✅ 50:1 reduction ratio
✅ Backlash under 20 arcsec
✅ Torque at 2000 r/min input: 3.5 Nm
✅ Peak torque at start/stop: 8.3 Nm
✅ Max average load torque: 5.5 Nm
✅ Permissible max momentary torque: 17 Nm
✅ Permissible max input speed: 8500 rpm
✅ Permissible average input speed: 3500 rpm
✅ Moment of inertia: 1.4x10^-2

💡 What is a harmonic gearbox used for in precision robotics? It’s a compact, high-precision transmission that delivers smooth, repeatable motion for joints and axes. - Compact, high-torque solution for small robotics - Low backlash ensures repeatable positioning - Direct flange compatibility with NEMA17 motors