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US 11,280,373 B2Granted
Coated bearing components
AssigneeSchaeffler Technologies AG & Co. KG
InventorsAllen Colynuck, Richard Hesler
Life of this patent
Estimating the term…
Abstract
A rolling element for a roller bearing. The rolling element may include a metal substrate having a surface layer. A portion of the surface layer may include a hardened nitrided layer. A diamond-like carbon (DLC) coating may be bonded directly on at least a portion of the hardened nitrided layer.
Claims16
A tapered rolling element for a roller bearing, comprising:
- a metal substrate having a surface layer;
- at least a portion of the surface layer located on a region of the end face of the tapered rolling element including a hardened nitrided layer;
- and
- a diamond-like carbon (DLC) coating bonded directly on at least a portion of the hardened nitrided layer to form a surface of the DLC coating opposing a surface of the hardened nitride layer, the surface of the DLC coating is configured to contact a rib of the roller bearing.
1 more element
A rolling bearing for a roller element, comprising:
- an inner ring;
- an outer ring;
- a metal substrate forming a portion of the inner and/or outer rings and having a surface layer;
- at least a portion of the surface layer located on a rib of the roller bearing configured to contact the rolling element including a hardened nitrided layer;
- and
- a diamond-like carbon (DLC) coating bonded directly on at least a portion of the hardened nitrided layer to form an outer surface of the DLC coating opposing a surface of the hardened nitride layer, the surface of the DLC coating is configured to contact the roller element.
3 more elements
A rolling element for a roller bearing, comprising:
- a metal substrate having a surface layer;
- at least a portion of the surface layer located on a radial portion of an end face of a tapered roller including a hardened nitrided layer;
- and
- a diamond-like carbon (DLC) coating bonded directly on at least a portion of the hardened nitrided layer to form a surface of the DLC coating opposing a surface of the hardened nitride layer, the surface of the DLC coating is configured to contact the roller bearing.
1 more element
Dependencies are inferred from the claim text.