High Torque Harmonic Gear Drive Reducer 20 Arcsec Strain Wave Gearbox 100 To 1 Rotary Reduction Actuator Built For Nema 17 Stepper Motors With Flange Output Ready To Install And Keep Your Rig Running Smooth

High-Torque Harmonic Gearbox for NEMA 17 Motors 100:1
✔️ 100:1 strain-wave gearbox, single unit, 20 arcsec backlash, 0.5 kg

Directly fits Nema 17 stepper motors via a flange output, this compact harmonic gear drive reducer is designed for easy installation in robotics, CNC, and automation systems, delivering precise motion with minimal backlash. It’s easy to assemble, you simply connect the motor to the reducer. It’s commonly used with sealed ball bearing configurations for long life, and there are variants in the market that use ceramic elements for reduced wear in demanding setups.

✅ Reduction ratio: 100:1
✅ Torque at 2000 r/min input: 10 Nm / 7.38 ft·lb
✅ Peak Torque at Start and Stop: 36 Nm / 26.55 ft·lb
✅ Max Value for Average Load Torque: 14 Nm / 10.33 ft·lb
✅ Permissible Max Momentary Torque: 70 Nm / 51.63 ft·lb
✅ Permissible Max Input Rotational Speed: 8500 r/min
✅ Permissible Average Input Rotational Speed: 3500 r/min
✅ Moment of Inertia: 1.4e-2 kg cm^2
✅ Backlash: less than 20 arcsec
✅ Design Life: 7000 hours
✅ Weight: 0.5 kg / 1.1 lbs

💡 What is a harmonic gear reducer used for in precision robotics and CNC machines?

Harmonic gear reducers are handy for high-precision motion in tight spaces. - High torque in a compact package - Low backlash and repeatability for accurate positioning - Easy direct-mount to motors with flange output - Long service life in automation