1. Oil seal structure simple, easy to manufacture, simple oil seal can be molded once, even the most complex oil seals, manufacturing process is not complex, metal skeleton oil seal is only through stamping, gluing, inlay, molding and other processes can be metal and rubber components required oil seal.
2. Oil seal light weight, less supplies, each type of oil seals are thin-walled metal parts and rubber parts combination, the material consumption is very small, so each oil seal weight is very light.
3. The installation position of oil seal is small, the axial size is small, easy to process, and make the machine compact.
4. Sealing function of oil seals is good, the service life is longer, the vibration of the machine and the eccentricity of the spindle have certain adaptability.
5. The oil seal is easy to disassemble and inspect the profits.
6. The price of oil seals is cheap.
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