The 20X40X10B1N is a robust metric oil seal designed for reliable sealing in various mechanical applications. Measuring 20.0 x 40.0 x 10.0 mm, this oil seal is constructed to provide excellent resistance to oils and other fluids. Its design ensures a secure fit, minimizing leakage and enhancing the longevity of machinery. This product meets industry standards, making it a dependable choice for automotive and industrial uses. The B1 designation indicates its specific design features, ensuring compatibility with a wide range of systems.