... Bevel Gearbox , reducer, gear motor Product Description K Series Gear Speed Reducer, Used with Circular-conic Gear Translation, Long Useful Lifespan ... motor, input through shaft and input through coupling flange 5. Speed reducing ratio: 8.1-191, even as high as 13459 ... for the combination of K/R and average efficiency 94% 6. Output speed: 0.1-270r/min 7. Output tourque: Up to ...