Sealing ring, 2-lip oil seal, front shaft 57.2x76.2x9/13 2415344 Fluoroelastomer MF3 ORIGINAL URSUS [1447689M1FU]The Ursus sealing ring is made with the utmost care from a special Fluoroelastomer material, which guarantees high chemical and thermal resistance, which extends the service life of the component. that and their failure-free operation, we guarantee the quality of our products.