The Timken 40X50X8 is a metric grease and oil seal, part of Timken’s multi-purpose sealing line. Sized to metric dimensions, this seal is designed to retain grease or oil at a shaft or bore interface, keeping contaminants out of the assembly. Genuine Timken quality, sold by Pro Gear and Transmission. Not sure this is your part? Give us a call to confirm proper fit for your specific application.FeaturesTimken metric seal, part number 40X50X8Functions as a grease and oil sealMetric dimensioning for metric-spec applicationsMulti-purpose design suitable for a range of shaft and bore sealing needsSold individually (each)