Het werkingsprincipe van derubberen afdichtring is an annular cover composed of one or several parts. It is fixed on a ring or washer of the bearing and contacts with another ring or washer or forms a narrow labyrinth gap to prevent the leakage of lubricating oil and the invasion of foreign objects.
(1) The sealing part is simple in structure, compact in installation and light in weight.
(2) there is a self-sealing effect, often only one seal can complete the sealing.
(3) Good sealing performance, used as a static seal can almost do no leakage. When used for reciprocating movement, the sealing performance is unchanged in the reciprocating journey, and the leakage is very small, and only some leakage occurs when the speed is high.
(4) Motion friction resistance is very small, for the occasion of alternating pressure can also adapt.
(5) Standardized size and groove, low cost, easy to use and outsourcing.

