This is a Combi seal (CARRARO 641734, COMBI SF SEAL 35*52*17/18.5 NBR+AU) consist of Simmering(individual or double lip) and a polyurethant wiper. They increase the protection against external contaminantss while allowing axial and rotary movement.

This is the ultimate seal for enhanced dirt protection where shaft rotation and endplay must be accommodated. Using a unique design that balances scraping elements with sealing tech-nology, this seal is proven to increase seal life and reduce warranty claims from the field. 
 
Please contact us to know more about product catalog & technical details: may@meiouseal.com