O-ring seal / round / bearing / labyrinth
This close-clearance designed seal never touches the mating surface. Its benefits include lower torque, lower temperatures and better fuel efficiency with fewer set outs, higher service speeds and lower operating costs than other lip-type seals.
Railroad journal roller bearing application
Better fuel efficiency
Timken’s Hydrodynamic Labyrinth (HDL) seal is one of the key components in the industry-leading packaged rail bearing design. This seal marries the best lip-type and labyrinth (close-clearance) sealing technology.