What is the difference between TC, SC, TF, SF four types of oil ...

     The commonly used oil seal forms are TC, SC, TB, SB, TA, SA. Many people are not particularly familiar

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with the two types of TF and SF oil seals. Let&#;s talk about the four types of TC/SC and TF/SF below. Oil seal.

     First of all, these four types of oil seals belong to a type of skeleton oil seals. They all belong to the inner-wrapped

skeleton oil seals, and their movement methods are all rotary types.

1, TC type

TC type oil seal is the most commonly used oil seal form in modern industry. TC is an inner frame and outer

rubber double lip frame oil seal. In some places, it is also called a lip seal. T stands for double lip and C stands for

rubber coated. The main lip of the double-lip skeleton oil seal is used to prevent oil, and the secondary lip

is used to prevent dust.

2, SC type

SC type oil seal is a single-lip outer rubber skeleton oil seal. Compared with TC type, it lacks a dust-proof lip,

which is suitable for sealing in a dust-free environment.

3, TF type

TF oil seal is not a particularly common type of oil seal in daily sealing equipment, because it belongs to

the rubber-covered iron shell type oil seal. Generally, the cost of this type of oil seal is much higher than that of

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the TC type. It is more commonly used in corrosive environments. The oil seal carbon steel shell skeleton is not

resistant to corrosive environments, so it is necessary to cover all the oil seal iron shell skeleton with specific

corrosion-resistant rubber to protect the oil seal skeleton so that corrosion will not occur. Generally, TF type

oil seals They are all made of fluorine rubber and stainless steel springs, so that they can be used for a long time

in high temperature and corrosive environments.

4, SF type

The SF type is the same as the TF type oil seal, which is a rubber full-coated steel skeleton type oil seal.

The difference between SF and TF is that SF is a single-lip seal suitable for dust-free environment, while TF

is a double-lip seal, which is dustproof. Also oil-proof.

Is there a difference between TC, TB, TCY, and SC oil seal ?

Oil seal is a device used in various mechanical equipment to prevent oil leakage and dust intrusion. They are usually composed of a metal skeleton and a rubber lip tightly attached to the shaft. There are various types of oil seals, and in this article, I will focus on four common types: TC, TB, TCY, and SC.

TC and TB oil seals are similar types of oil seals. They have a lip and a spring that enhances sealing pressure. The difference between them is that the TC oil seal has a dust lip on the outside and a rubber coating on the metal casing, while the TB oil seal does not have a dust lip and the metal casing does not have a rubber coating. TC oil seals are suitable for applications with dust or dirt in the environment, such as agricultural machinery, engineering machinery, etc. TB oil seals are suitable for applications without dust or dirt in the environment, such as gearboxes, pumps, motors, etc.

TCY and SC oil seals are also similar types of oil seals. They have a lip and a spring that enhances sealing pressure. Their difference is that the TCY oil seal has a dust lip on the outside and a double-layer metal shell with rubber coating on both sides, while the SC oil seal does not have a dust lip and has a rubber coated metal shell. TCY oil seals are suitable for situations with high oil chamber pressure or temperature, such as hydraulic systems, compressors, etc. SC oil seals are suitable for situations with low oil chamber pressure or temperature, such as hydraulic systems, compressors, etc. Such as water pumps, fans, etc.

TC, TB, TCY, and SC oil seals are four types of skeleton oil seals, each with a different structure and function. All are internal rotary oil seals, which can prevent oil leakage and dust intrusion. However, according to the lip design and shell design, they have different characteristics and applications. By understanding their differences, we can choose the appropriate oil seal type for our equipment.

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