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US 10,590,991 B2Granted
Rolling-element bearing
AssigneeAktiebolaget Skf
InventorThilo von Schleinitz
Life of this patent
Estimating the term…
Abstract
A rolling element bearing includes inner and outer rings having raceways and rolling elements between the raceways. The raceways of the inner and outer rings are coated with a first coating, such as a phosphate coating, and the rolling elements are coated with a second, different, coating such as a black oxide coating.
Claims10
A rolling element bearing comprising:
- an inner ring having a raceway,
- an outer ring having a raceway, and
- a plurality of rolling elements rotatably disposed between the inner ring and the outer ring,
- wherein the raceway of the inner ring and/or the raceway of the outer ring is coated with a first coating,
- wherein the rolling elements are at least partially coated with a second coating,
- wherein the first coating is a phosphate coating selected from the group consisting of a manganese phosphate coating, a zinc phosphate coating, a zinc calcium phosphate coating, and a tricationic phosphate coating, and
- wherein the second coating is a black oxide coating.
4 more elements
A rolling element bearing comprising:
- an inner ring having a raceway,
- an outer ring having a raceway, and
- a plurality of rolling elements rotatably disposed between the inner ring and the outer ring,
- wherein the raceway of the inner ring and/or the raceway of the outer ring is coated with a first coating,
- wherein the rolling elements are at least partially coated with a second coating,
- wherein the first coating is a phosphate coating selected from the group consisting of a manganese phosphate coating, a zinc phosphate coating, a zinc calcium phosphate coating, and a tricationic phosphate coating, and
- wherein the second coating is a bluing.
4 more elements
Dependencies are inferred from the claim text.