Back to results
US 12,392,373 B2Granted
Rolling bearing
AssigneeNsk Ltd.
InventorsMasahide Natori, Hiroki Komata
Life of this patent
Estimating the term…
Abstract
A rolling bearing contains a structure having a solid solution carbon amount in a martensitic structure after heat treatment of 0.35 mass % or more and 0.65 mass % or less and a volume ratio of spheroidized carbides having a diameter of 200 nm or more of 4.5% or less.
Claims5
A rolling bearing comprising:
- a structure of a front surface including at least a rolling contact surface,
- the structure containing a structure having a solid solution carbon amount in a martensitic structure after heat treatment of 0.35 mass % or more and 0.65 mass % or less and a volume ratio of spheroidized carbides having a diameter of 200 nm or more of 4.5% or less.
Dependencies are inferred from the claim text.