The KTR KTR203 110x155 is a genuine KTR keyless shaft-hub connection, also known as a locking device or locking assembly. This high-performance component is designed for reliable and backlash-free power transmission between shafts and hubs, eliminating the need for traditional keys or splines. It features a precise 110 mm bore diameter and a 155 mm outer diameter, making it suitable for demanding industrial and agricultural machinery applications. The KTR203 series is engineered to transmit significant torques and axial forces, ensuring a secure and durable connection. This specific model, KTR203110X155, is a standard offering from KTR, a leading manufacturer of power transmission components.