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Oil seals, often referred to as shaft seals, are critical components in various machinery and automotive applications. The 40x55x8 mm oil seal is a specific type designed to play a significant role in preventing oil leakage and protecting machinery from contaminants. In this article, we will delve into the specifications, construction, applications, and the importance of these oil seals in modern mechanical systems.

The 40% - 80% - 10% principle is often used to describe the ideal distribution of life expectancy, performance, and operational efficiency when considering oil seals. Here’s a breakdown of what each percentage signifies