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    The primary function of the 20x35x7 oil seal is to prevent the escape of lubricants from one chamber to another, ensuring that machinery operates smoothly and efficiently. By sealing the gaps between moving parts, the oil seal helps in minimizing friction and wear, contributing to the longevity of equipment. Moreover, preventing oil leakage is crucial for maintaining proper lubrication levels, thereby supporting optimal operational conditions and reducing potential breakdowns.


    When you use a heavy duty industrial walking foot sewing machine- it comes with a built-in walking foot mechanism. This is very different that most walking foot attachments that only snap-on regular household sewing machines.