The PWR 4.5 x 4.75 x 1.5 9400 Piston Wear Ring by Freudenberg-NOK is specifically designed for hydraulic applications, featuring dimensions of 4.5 inches inner diameter, 4.75 inches outer diameter, and a thickness of 1.5 inches. This wear ring is crafted from high-quality materials that provide exceptional wear resistance and durability, ensuring long-lasting performance in high-pressure environments. It is compatible with various hydraulic fluids, making it versatile for different applications. The wear ring's robust construction meets industry standards, making it a reliable component for enhancing the efficiency and reliability of hydraulic systems.