The 18319SP-BX NBR Oil Seal from Freudenberg-NOK measures 1.875 inches in diameter, 3.15 inches in outer diameter, and 0.93 inches in thickness. Made from NBR (Buna) material, this oil seal is designed for high-performance sealing in various applications. It provides excellent resistance to oil and temperature variations, making it suitable for automotive and industrial use. This oil seal meets industry standards, ensuring compatibility and reliability. Its robust design effectively prevents oil leakage, contributing to the efficiency of your machinery.