The KTR 522028 is a genuine ROTEX 48 coupling spider, also known as a coupling element or finger, designed for flexible shaft couplings. This AR48 size spider is made from high-quality polyurethane with a hardness of 92 Shore A, identifiable by its blue color. It provides excellent damping properties, compensating for shaft misalignments and absorbing shocks, ensuring reliable power transmission in various industrial applications. With an outer diameter of 95mm, an inner diameter of 51mm, and a length of 38mm, this robust element operates efficiently within a temperature range of -40°C to +90°C.