Harmonic Drive CSG-20-100-2A-GR Cup-Type Component Set
Benchmark size-20 100:1 high-torque cup-type component set (wave generator, flexspline, circular spline only) for builders who supply their own output bearing; 0.28 kg.
Specifications
| Ratio | 100:1 |
|---|---|
| Rated torque | 52 N·m at 2,000 rpm input |
| Peak torque (repeated / momentary) | 107 N·m repeated (start/stop) / 191 N·m momentary |
| Backlash | Zero backlash (maker claim; no arcsec figure published) |
| Outer diameter | unknown |
| Hollow shaft | no (cup type) |
Who makes it
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
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Compliance
| HTS classification | 8483.40.50.10 |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
| Notes | Harmonic Drive rates torque at 2,000 rpm input. Peak column: L10 limit for repeated peak / limit for momentary peak. |
Equivalents from other makers
Sources
- https://www.harmonicdrive.net/products/component-sets/cup-type/csg-2aCSG-2A table: CSG-20-100-2A-GR torques, mass
Record confidence: VERIFIED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.