What is the difference between the sealing ring and the dust cap on the bearing?
Seal ring: ring formed by one or several parts of the cover, fixed in a ring or a washer bearing and another ring or gasket contact or the formation of the labyrinth of narrow gap, to prevent leakage of lubricating oil and foreign matter. Beijing's got all the attention Boyun ring and dustproof cover seal.
Dust cover: an annular ring made of thin metal plates, fixed to a ring or washer of the bearing, which covers the inner space of the bearing but does not come into contact with the other ring or washer.
Bearing belt, dust cover and sealing ring, two different performance. Refer toOne is dustproof and the other is sealed. Dust prevention is to prevent dust from entering the inside of the motor; the seal is not only not allowed by outside dust, but also not easy to flow out of the inner fat. Grease that is not clean is not easy to flow through. In practice, there is a difference between the two, but not too much. Bearings are generally internal and external oil cover, has played this role, only under certain conditions only need. Dust proof is indicated by Z and sealed by S. (felt ring seal is expressed by FS; rubber seal is expressed by LS).
