The KAFRF Series Flange Mounted Hollow Output Shaft Combined Helical Bevel Gearbox adopts a flange-mounted installation structure with a hollow output shaft and a combined helical + helical bevel gear transmission system. It is designed for ultra-high reduction ratio, high torque output, and direct-mounted heavy-duty industrial applications with compact installation requirements. This series is widely used in bucket elevators, screw conveyors, mining conveying systems, bulk material handling equipment, and heavy industrial drive systems. With a maximum torque capacity of 80,000 Nm and motor power up to 200 kW, the KAFRF Series provides a highly reliable solution for high-load continuous operation environments.
| Item | Specification |
| Product Series | KAFRF Series |
| Gear Type | Combined Helical + Helical Bevel Gearbox |
| Mounting Type | Flange Mounted |
| Output Shaft | Hollow Shaft Output |
| Gear Material | Carburized Alloy Steel |
| Housing Material | High-strength Cast Iron |
| Gear Ratio Range | 20:1 – 35,000:1 |
| Output Torque | Up to 80,000 Nm |
| Motor Power Range | 0.18 – 200 kW |
| Efficiency | Up to 96% |
| Lubrication | Oil Splash Lubrication |
| Mounting Position | B5 / V1 / V3 etc. |
| Ambient Temperature | -20°C ~ +40°C |
| Protection Class | IP55 / IP65 Optional |
| Model | Output Torque (Nm) | Ratio Range | Motor Power (kW) |
| KAFRF37 | 300 – 1,800 | 20 – 350 | 0.18 – 3 |
| KAFRF47 | 500 – 3,500 | 25 – 500 | 0.37 – 5.5 |
| KAFRF57 | 900 – 6,500 | 30 – 800 | 0.75 – 11 |
| KAFRF67 | 1,800 – 12,000 | 40 – 1,500 | 1.5 – 22 |
| KAFRF77 | 3,500 – 20,000 | 60 – 3,000 | 2.2 – 45 |
| KAFRF87 | 6,500 – 35,000 | 80 – 8,000 | 4 – 90 |
| KAFRF97 | 12,000 – 55,000 | 100 – 15,000 | 7.5 – 160 |
| KAFRF107 | 20,000 – 80,000 | 120 – 35,000 | 11 – 200 |
Note: All models can be customized including shaft structure, hollow bore size, mounting dimensions, and motor configuration.
