Oil pump seal introduction:

Bearing oil seal: is the seal of the bearing, mainly used to prevent oil leakage, but also to prevent external foreign bodies (such as water) into the bearing function, in a certain extent can be said to be dust cover. Generally used to the role of the sealing oil seal called oil seal, the role of the sealing water seal called water seal, is actually a seal two ways.

Bearing oil seals include RS, 2RS and ZZ. RS indicates that the seal of the bearing is the structure of the seal ring, which belongs to the contact type seal and is completed in the bearing by elastic deformation of rubber, and the seal ring is used to prevent oil leakage in the bearing and foreign matters from entering. RS stands for single seal and 2RS for double seal. ZZ represents that the bearing seal is double-sided seal with dustproof cover, the material of the sealing cover is steel plate, the dustproof cover is stamped with abrasive tools, and pressed and installed in the bearing. Bearings sealed by dust - proof cover belong to non - contact seal.