oil seal

listen to the pronunciation of oil seal
İngilizce - İngilizce
(Automotive) round metal disk covered in rubber or plastic with a center hole used to prevent grease and oil from leaking out
or shaft seal In machines, a device that prevents the passage of fluids along a rotating shaft. Seals are necessary when a shaft extends from a housing (enclosure) containing oil, such as a pump or a gearbox. Leather, synthetic rubber, and silicones are among the materials used for the sealing ring. See also bearing
seal oil
a pale yellow to red-brown fatty oil obtained from seal blubber; used in making soap and dressing leather and as a lubricant
oil seal