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R Series Helical Gear Unit Specifications
This page summarizes the cleaned model-level capability envelope for the CHINFAR R Series. Use it to narrow the size range; use the detailed selection data to choose a final configuration.
| Item | R Series |
|---|---|
| Gear unit type | Helical Gear Unit |
| Shaft arrangement | Coaxial / Inline |
| Size range | R17–R177 |
| Reference power range | 0.12–200 kW |
| Reference ratio range | 3.06–285.61 |
| Reference maximum torque range | 85–32000 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) |
|---|---|---|---|
| R17 | 0.12–0.75 | 3.83–81.64 | 85 |
| R27 | 0.12–3 | 3.37–138.79 | 130 |
| R37 | 0.12–3 | 3.41–134.82 | 200 |
| R47 | 0.12–5.5 | 3.06–172.76 | 300 |
| R57 | 0.12–7.5 | 4.28–169.54 | 450 |
| R67 | 0.12–7.5 | 4.29–190 | 600 |
| R77 | 0.18–11 | 4.54–225.68 | 820 |
| R87 | 0.55–22 | 4.54–253.56 | 1550 |
| R97 | 0.55–30 | 4.5–285.61 | 3000 |
| R107 | 2.2–45 | 4.39–250.65 | 4300 |
| R137 | 5.5–55 | 4.94–216.82 | 8000 |
| R147 | 7.5–90 | 5–170.22 | 13000 |
| R167 | 11–160 | 10.24–229.71 | 18000 |
| R177 | 11–200 | 8.74–216.07 | 32000 |
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 R Series product page
- How to select the R Series
- Mounting and installation
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