The B1 380.0X 420.0X 20.0 902 Metric Oil Seal from Freudenberg-NOK is engineered for superior sealing performance in various applications. With dimensions of 380.0 mm inner diameter, 420.0 mm outer diameter, and a thickness of 20.0 mm, this oil seal is designed to fit seamlessly into your machinery. Made from durable materials, it provides excellent resistance to oil and other fluids, ensuring a long service life. This oil seal meets industry standards, making it suitable for use in automotive and industrial applications. Its robust design helps prevent leakage, maintaining system integrity and efficiency.