The Stemco 307-0743 is a Guardian HP wheel seal designed for trailer axles with a capacity of 22,500 pounds.Featuring a high-performance HNBR-PTFE sealing lip, providing superior contamination exclusion and enhanced durability. Its semi-unitized design allows for direct installation on the axle, ensuring positive alignment and reducing the risk of installation-related failures. The rubber outer diameter facilitates faster hub cleaning and reduces corrosion damage. **Please note that the 307-0743 seal will not fit Standard Forge hubs manufactured prior to August 1971, Kershaw K-22 axles prior to January 1973, Standard Forge A22-S axles prior to May 1971, or KBW axles prior to January 1978.
