... , speed reducer , Helical Bevel Gearbox , reducer, gear motor Product Description K Series Gear Speed Reducer, Used with Circular-conic Gear Translation ... output 2. Compact structure, low noise and long useful lifespan 3. Installation and output types: Base, flange, small flange, ... and output through hollow or solid shaft 4. Input types: Coupled-type motor, input through shaft and input through coupling ...