The B1 U3 oil seal, with dimensions of 40.0X56.0X10.0, is a high-quality metric oil seal from Freudenberg-NOK. Designed for optimal sealing in hydraulic and pneumatic applications, this oil seal provides excellent resistance to oils and other fluids. Its robust construction ensures durability and reliability under pressure. Meeting ISO 9001 standards, this oil seal is compatible with various systems, making it a versatile choice for industrial use. The precise dimensions ensure a snug fit, reducing the risk of leaks and enhancing operational efficiency.