Apr. 17, 2023
These are used on automotive engines and geared motors primarily to prevent oil leaks at the ends of rotating shafts and the intrusion of dust particles from outside.
The word “oil seal” is used to describe these products that seal oil. In addition to preventing fluids, such as lubricants and water, and gases used in mechanical products from leaking at their “gaps,” they also keep dust, dirt and sand particles from intruding from outside.
Seals are an indispensable means for sealing machines in a variety of fields, including automobiles, airplanes, ships, train cars, construction machines, agricultural machines, petrochemical plants, and home appliances.
The history of NOK oil seals is synonymous with the history of oil seals in Japan. The products we export worldwide deliver consistent quality which is founded on our unique “sealing theory.”
Oil Seal Design
Although there are many styles of Oil Seals, they all generally consist of a flexible rubber lip bonded to a rigid metal case. Most also contain a third element – a garter spring – fitted into the rubber lip to provide additional sealing force, both initially and over the life of the seal. The total radial force of the sealing lip is a function of the rubber pre-tension, coupled with the tensile spring force. The sealing lip may be lathe cut or ready molded, and may feature molded-in hydrodynamic aids to assist sealing in demanding applications. The metal case may be exposed or have rubber molded around it for ease of assembly or improved static sealing.
Trelleborg Sealing Solutions offers state-of-the-art Oil Seal design standards based on many years of experience in a wide range of application fields.
Contact us to learn more.
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FOUNDED IN 1993
China SBT Oil Seal is an international company integrating design, research and development, production and processing.
No. 68, Hua'an Street, Renze District, Xingtai City, Hebei Province, China
+86 188 0309 4557
Won many honorary certificates through a number of patented inventions
