Oil Seal

Oil seal is an idiomatic name for a general seal, which is simply the seal of a lubricating oil. It is used to seal grease (oil is the most common liquid material in the transmission system, also generally refers to the general meaning of liquid material) of the mechanical components, it will drive parts in need of lubrication parts and output parts isolated, so as not to let the oil leakage. Static and dynamic seals (general reciprocating movement) with seals called oil seals.