The Timken 20X37X7 is a metric grease and oil seal, sold as a single unit. Timken metric seals are precision-dimensioned components used to retain lubricant and exclude contaminants at rotating shaft and bearing interfaces. The part number itself encodes the metric dimensions that define the seal’s fit. If you need help confirming this seal matches your application, call Pro Gear and Transmission and we will help you verify the right part.FeaturesGenuine Timken metric sealPart number 20X37X7 encodes metric shaft and bore dimensionsDesigned to retain grease and oil at bearing or shaft interfacesSold individually (each)Call Pro Gear and Transmission to confirm fit for your specific application