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Importance of Shaft Oil Seals

The designation 20x35x7 refers to the dimensions of the oil seal. The numbers represent the inner diameter (20 mm), outer diameter (35 mm), and the thickness (7 mm) of the seal. The design of an oil seal is critical, as it must fit precisely to ensure a proper seal and prevent the ingress of dirt, dust, or moisture. The choice of material used for these seals often includes rubber compounds that enhance flexibility and resilience. Common materials include nitrile rubber (NBR), fluorocarbon rubber (FKM), and silicone, each chosen based on the specific application and operating conditions.

4. Lip Seals Lip seals are suitable for both dynamic and static sealing applications. They feature a lip that runs along the surface of the cylinder, creating a barrier against fluid leakage.

3. Disassemble the Cylinder Carefully remove the cylinder from the machinery. Using appropriate tools, disassemble the cylinder, taking care to note the arrangement of components.