What does oil seal TC type mean?

According to recent Google searches, the TC oil seal is recognized as a low-pressure dual-lip radial seal equipped with a garter spring designed to protect against contaminants. Its rubber-covered outer diameter enhances sealing capability, while the internal steel casing is partially rubber coated. The additional dust lip serves to shield the primary sealing lip from dust and other harmful particles, allowing it to perform effectively in polluted environments. To ensure optimal functionality throughout its lifespan, it's essential to apply an adequate lubricant between the two sealing lips.

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Oil seals are categorized into various forms, including TC, SC, TB, SB, TA, and SA. Among these, TC and SC are more commonly known, while TF and SF may not be as familiar to many. Below is a breakdown of these four types of oil seals, focusing particularly on TC.

What is TC Type Oil Seal?

The TC type oil seal is the most prevalent form used in modern industrial applications. It features a dual-lip design with an inner frame and an outer rubber layer. The "T" denotes the double lip feature, while the "C" signifies that the outer part is rubber coated. The primary lip of the TC seal is specifically designed to prevent oil leakage, and the secondary lip acts as a barrier against dust infiltration.

SC Type Oil Seal

In contrast, the SC type oil seal is a single-lip design, which lacks the dust-proof lip feature found in TC seals. This makes it suitable for use in environments where dust is not a concern.

TF Type Oil Seal

The TF type oil seal is less common in standard sealing applications. Being a rubber-covered iron shell type, it tends to be more expensive than the TC type. TF seals are primarily utilized in corrosive environments due to their special construction that includes a corrosion-resistant rubber coating, providing enhanced durability. Typically, these seals utilize fluorine rubber and stainless steel springs, making them suitable for high temperatures and corrosive conditions.

SF Type Oil Seal

The SF type is similar to the TF type but is classified as a single-lip seal. It is designed for dust-free environments, while the TF type is equipped for both oil and dust protection with its dual-lip design.

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Further Reading on Oil Seals

To gain more insights into these kinds of seals, you may explore t type skeleton oil seal.