The JCB KRA0254 is a genuine OEM dust seal designed to protect critical machinery components from dust, dirt, and other contaminants. With an inner diameter of 40mm, an outer diameter of 50mm, and a thickness of 5mm, this seal ensures optimal performance and extends the lifespan of bearings and other moving parts. It is compatible with a wide range of JCB equipment, including 3CX, 4CX, and 5CX backhoe loaders, various Loadall telescopic handlers (e.g., 531-70, 540-140), and 406, 407, 408, 409 wheeled loaders, providing reliable sealing in demanding environments.