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Oil seals, also known as radial shaft seals, are vital components used to prevent the leakage of lubricants and to keep contaminants out of machinery. They typically consist of a rubber outer part, a metal casing for support, and a sealing lip that makes contact with the rotating shaft. This three-part construction allows oil seals to withstand high pressure, extreme temperatures, and a range of chemicals.

The numerical designation 20% 35% 7% in the context of oil seals can represent several key attributes such as height, diameter, and material composition. Understanding these specifications is crucial for selecting the appropriate oil seal for a given application.

Key Differences Between Dust Seals and Oil Seals

1. Single Lip Seals These seals feature one sealing lip and are often used in applications where there is moderate exposure to contaminants. They are favored for their simple design and effective sealing capabilities.