Keep your boat trailer wheels running smoothly with this precision-engineered grease seal. Designed to fit multiple trailer models including UFP 32373, 168255TB, EZ Loader, and Ranger trailers, this seal measures 2.56 inches outer diameter by 1.68 inches inner diameter. The seal effectively prevents grease from leaking out of your wheel bearings while keeping dirt, water, and other contaminants from getting in. This heavy-duty seal helps maintain proper lubrication of your trailer's wheel bearings, extending their life and reducing maintenance needs. Perfect for marine applications, this replacement seal is built to withstand the harsh conditions of boat launching and retrieval. Installation is straightforward with the correct tools, making it an excellent choice for both DIY maintenance and professional mechanics.