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An oil seal has two tasks: Keeping the lubricant in and keeping dirt and contaminants out of rotating components. This separation must be accomplished between surfaces in relative motion, usually a shaft or bearing inner ring and a housing. With correct installation, oil seals can also prevent seal leakage and maintain the lubricity of a bearing to ensure that the rotary shaft and its bearings remain fully functional.
Rubber, the most common material used to make round gaskets, offers several advantages. It is highly resistant to heat, oil, and ozone, making it ideal for high-temperature and harsh environments It is highly resistant to heat, oil, and ozone, making it ideal for high-temperature and harsh environments
It is highly resistant to heat, oil, and ozone, making it ideal for high-temperature and harsh environments It is highly resistant to heat, oil, and ozone, making it ideal for high-temperature and harsh environments
round gasket rubber. Rubber also has excellent elasticity, allowing it to conform to uneven surfaces and maintain a tight seal over time.

