FAFRF Series Flange Mounted Hollow Output Shaft Combined Parallel Shaft Helical Gearbox adopts a multi-stage combined parallel shaft helical gear transmission structure with flange mounting design and hollow output shaft configuration. It combines high reduction ratio, high torque density, efficient power transmission and flexible installation advantages, providing reliable drive solutions for heavy-duty industrial equipment. With a typical output torque range of 500–50,000 N·m and power range of 0.12–200 kW, parallel helical gearbox is suitable for continuous operation systems requiring large speed ratios, compact structure and high load capacity.
| Item | Specification |
| Product Series | FAFRF Series |
| Gear Type | Helical Gear |
| Transmission Structure | Combined Parallel Shaft Helical Gear |
| Mounting Type | Flange Mounted |
| Input Type | Shaft Input |
| Output Shaft Type | Hollow Output Shaft |
| Housing Material | Cast Iron |
| Gear Material | High Strength Alloy Steel |
| Gear Processing | Precision Grinding |
| Lubrication | Oil Bath Lubrication |
| Protection Grade | IP54 / IP55 Optional |
| Efficiency | Up to 95% |
| Ratio Range | 20–30000 |
| Power Range | 0.12–200 kW |
| Output Torque | 500–50,000 N·m |
| Installation Direction | Multiple Installation Positions Available |
| Model | Frame Size | Ratio Range | Rated Power (kW) | Output Torque (N·m) |
| FAFRF37 | 37 | 20–200 | 0.12–3 | 500 |
| FAFRF47 | 47 | 20–300 | 0.25–5.5 | 900 |
| FAFRF57 | 57 | 25–500 | 0.37–11 | 1,800 |
| FAFRF67 | 67 | 30–800 | 0.75–18.5 | 3,500 |
| FAFRF77 | 77 | 40–1200 | 1.5–30 | 6,000 |
| FAFRF87 | 87 | 50–1800 | 3–45 | 10,000 |
| FAFRF97 | 97 | 80–2500 | 5.5–75 | 18,000 |
| FAFRF107 | 107 | 100–5000 | 11–110 | 30,000 |
| FAFRF127 | 127 | 150–30000 | 18.5–200 | 50,000 |
Note: Customized reduction ratios, hollow shaft dimensions, flange structures and special application designs are available upon request.
