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US 8,998,499 B2Granted
Seal for rolling bearing used in a wind turbine
AssigneeAktiebolaget Skf
InventorsAndreas Gruber, Wolfgang Swete, Pascal Ovize, Jesko-Henning Tanke, Ake Fick
Life of this patent
Estimating the term…
Abstract
The rolling bearing comprises an inner ring 1, an outer ring 2, at least one row of rolling elements and at least one seal 7 provided between the outer and inner rings. The seal 7 has, in cross section, the overall shape of an H and comprises internal lips 21, 22 and external lips 23, 24 forming the two substantially parallel branches of the H. The inner and outer rings 1, 2 comprise opposite radial ribs 25, 26 located axially between the internal and external lips 21 to 24 to axially retain the seal.
Claims11
A seal for a rolling bearing, the rolling bearing including:
- an inner ring having an inner ring radial rib extending radially outward;
- an outer ring having an outer ring radial rib extending radially inward and generally opposite the inner ring radial rib;
- and
- at least one row of rolling elements between the outer and inner rings,
- wherein the seal comprises a metallic body having a generally H-shaped cross-section, and including internal lips and external lips forming the two branches of the H-shaped cross-section, the internal and external lips being connected together, the seal being disposed between the inner and outer rings,
- wherein the inner ring radial rib is located axially between one of the internal lips and one of the external lips and the outer ring radial rib is located axially between the other one of the internal lips and the other one of the external lips such that the radial ribs axially retain the seal.
3 more elements
Dependencies are inferred from the claim text.