Sumitomo Drive Technologies
Sumitomo Cyclo 6000 CHHM Frame 6060 21:1 Ratio Gearbox
Model: CHHM-6060-21

Sumitomo Cyclo 6000 single-reduction cycloidal speed reducer, CHHM frame 6060, 21:1 ratio, C-Face Motor Adapter input, Hollow Bore output. Grease lubricated (standard for frame sizes 6060–6125), max 0.25 HP input at 1750 RPM.
Technical Specifications
| Series | Cyclo 6000 |
| Orientation | Inline |
| Gearing Style | Cycloidal |
| Reduction Stages | 1 |
| Input Style | C-Face Motor Adapter |
| Output Style | Hollow Bore |
| Environment | Standard |
| Ratio Range | 21:1 |
| Max Input HP | 0.25 |
| Output Torque (lb-in) | 620 |
| Efficiency (%) | 93 |
| Lubrication | Grease |
| Frame Size | 6060 |
Manufacturer

Sumitomo Drive Technologies
Sumitomo Drive Technologies — manufacturer of Cyclo 6000 cycloidal speed reducers, SM-Cyclo servo drives, and Paramax helical gear drives. Known for high shock-load capacity and compact form factor.
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