Strain Wave Gear CSG 17 High Torque Harmonic Drive Hollow Flat Small Heavy Duty Reducer 50 To 1 Ratio For Nema 23 57mm Stepper Servo System Durable Compact Precision

Compact Strain Wave Gear CSG17 50:1 Reducer, Single Unit
✔️ 50:1 gear ratio, hollow shaft, 57mm (2.24 in) NEMA 23 fit, compact

This high torque harmonic drive reducer delivers precise motion control using strain-wave gearing, a hallmark of compact, powerful drives. Commonly used in robotics, CNC, and automation projects where space is tight and repeatable positioning matters. In similar models you’ll see sealed bearing variants and ceramic options for extended life.

✅ 50:1 reduction ratio for strong torque and precise positioning
✅ Hollow output shaft for space-saving, compact layouts (57mm / 2.24 in)
✅ 57mm mounting diameter compatible with NEMA 23 instruments (2.24 in)
✅ Durable, compact construction suited for repeated use in tight spaces

💡 What is a common use for a harmonic drive reducer in hobby and industrial projects? It's a handy solution for precise, compact motion control. - precise torque multiplication in tight spaces - low backlash and repeatable positioning - easy integration with servo or stepper drives - works well with hollow-shaft designs