Patent ID: 11867233
Assignee: AKTIEBOLAGET SKF
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 8:
9. A sealing device for sealing a bearing unit on a side of the bearing unit opposite a cover, the sealing device comprising:
a metal screen having a vulcanized rubber liner defining:
a radially outer cylindrical member extending from a radially extending annular member;
and a shaped portion extending from a radially internal end of the radially extending annular member; and

a first axially outer sealing lip extending radially inwardly and axially inwardly from the radially internal end of the metal screen;
a second axially inner sealing lip extending radially inwardly and axially outwardly from the shaped portion; and
a third sealing lip radially outer relative to the second axially inner sealing lip and extending axially inwardly from the shaped portion, wherein the third sealing lip forms a labyrinth seal with a shaft in an assembled configuration.