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S Series Helical-Worm Gear Unit Specifications
This page summarizes the cleaned model-level capability envelope for the CHINFAR S Series. Use it to narrow the size range; use the detailed selection data to choose a final configuration.
| Item | S Series |
|---|---|
| Gear unit type | Helical-Worm Gear Unit |
| Shaft arrangement | Right Angle |
| Size range | S37–S97 |
| Reference power range | 0.12–22 kW |
| Reference ratio range | 7.75–307.88 |
| Reference maximum torque range | 92–4000 Nm |
Engineering note: published ranges describe the cleaned reference envelope of the series. The final selectable power, ratio, torque, motor interface and mounting arrangement depend on the exact configuration.
Model capability table
| Model | Power range (kW) | Ratio range | Reference maximum torque (Nm) |
|---|---|---|---|
| S37 | 0.12–0.75 | 10.27–157.43 | 92 |
| S47 | 0.12–1.5 | 8.25–201 | 170 |
| S57 | 0.18–3 | 8–201 | 295 |
| S67 | 0.25–5.5 | 7.75–217.41 | 520 |
| S77 | 0.55–7.5 | 12.1–256.47 | 1270 |
| S87 | 0.75–15 | 11.13–302.4 | 2280 |
| S97 | 1.5–22 | 12.04–307.88 | 4000 |
How to read this table
Power range shows the reference input/motor power envelope associated with the size. Ratio range describes the available reduction range represented in the cleaned source data. Reference maximum torque is a size-level maximum and must not be treated as the continuous rated torque for every ratio and motor combination.
For final selection, use a performance row that matches the actual power, pole count/input speed, ratio, output speed, output torque and service factor.
Related technical pages
- Return to the S Series product page
- How to select the S Series
- Mounting and installation
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