The PWR 4.5 x 4.75 x 0.25 Piston Wear Ring by Freudenberg-NOK is designed for use in hydraulic systems, providing essential support for piston movement. With an inner diameter of 4.5 inches, outer diameter of 4.75 inches, and a thickness of 0.25 inches, this wear ring ensures minimal friction and wear, enhancing the longevity of hydraulic components. Made from high-performance materials, it offers excellent resistance to wear and tear, making it suitable for demanding applications. This wear ring complies with industry standards, ensuring reliability and efficiency in hydraulic operations.