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The functionality of oil seals in between machines cannot be emphasized. Apart from their primary function of preventing the entry and escape of elements that can damage the machines, they also help to elongate the machines’ lifespan.
Most ERIKS oil seals, such as the types M, MST, R and RST, are made of NBR as standard.
Most oil seals consist of some basic elements that configure their structure, such as the sealing element, the metal case, and the spring:
Shaft and Bore Tolerances
No. Code and number Example ① Seal type code (*)
Although it does have a higher tensile strength and longer wear times than other materials, it is recommended to be used in dry-running applications sparingly or intermittently.


a)
④
Description: