The RFS Series Flange Mounted Helical Gearbox with Shaft Input is designed for industrial drive systems requiring compact flange installation, flexible power connection, and reliable torque transmission. Featuring a flange-mounted housing, shaft input configuration, and high-efficiency helical gear train, it provides smooth operation, high load capacity, and long service life. The gearbox is ideal for applications driven by electric motors, hydraulic motors, diesel engines, or other external power sources through couplings, belt drives, or chain drives. Output torque ranges up to 18,000 Nm, while input power capacities can support industrial drive systems up to 160 kW.
| Item | Specification |
| Gear Type | Helical Gear |
| Mounting Type | Flange Mounted |
| Input Type | Solid Shaft Input |
| Output Shaft Type | Solid Shaft |
| Housing Material | High-Strength Cast Iron |
| Gear Material | Alloy Steel |
| Gear Surface Hardness | HRC58–62 |
| Transmission Efficiency | Up to 96% |
| Ratio Range | 1.30 – 289.74 |
| Output Torque | 85 – 18,000 Nm |
| Input Power Capacity | Up to 160 kW |
| Lubrication | Oil Bath Lubrication |
| Protection Class | IP55 (Optional IP65) |
| Ambient Temperature | -20°C to +40°C |
| Model | Ratio Range | Output Torque (Nm) | Input Power Capacity (kW) |
| RFS17 | 1.30 – 135.09 | 130 | 3 |
| RFS27 | 1.35 – 136.31 | 250 | 5.5 |
| RFS37 | 1.30 – 134.82 | 500 | 7.5 |
| RFS47 | 1.35 – 173.71 | 850 | 15 |
| RFS57 | 1.34 – 186.89 | 1,300 | 22 |
| RFS67 | 1.44 – 198.15 | 2,500 | 37 |
| RFS77 | 1.42 – 195.24 | 4,300 | 55 |
| RFS87 | 1.43 – 245.14 | 7,000 | 90 |
| RFS97 | 1.46 – 247.36 | 11,000 | 132 |
| RFS107 | 1.50 – 289.74 | 18,000 | 160 |
