The Freudenberg-NOK Dichtomatik N21 oil seal features dimensions of 0.125" x 1.000", making it an essential component for effective sealing in various mechanical systems. Constructed from premium materials, this oil seal offers excellent resistance to oil and other fluids, ensuring long-lasting performance. The N21 model is designed to meet rigorous industry standards, providing a reliable solution for preventing leaks and maintaining system efficiency. Suitable for automotive and industrial applications, this oil seal is crucial for protecting machinery from contamination and ensuring optimal operation.