Rolling bearing

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9765821
SERIAL NO

14905948

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Abstract

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A rolling bearing that can prevent peeling on a surface of an iron-based metal member by hydrogen brittleness even under a severe environment is provided. The rolling bearing 1 has plural bearing elements formed of an iron-based metal, and a lubricant composition 7 that lubricates metal contact surfaces of the respective bearing elements, the lubricant composition 7 is a grease containing a base oil and alkanolamine and being free of alkali metal salts and alkaline earth metal salts of inorganic acids, the base oil is at least one oil selected from alkyl diphenyl ether oils, poly-α-olefin oils and ester oils, and the alkanolamine is contained by 0.1 to 10 parts by weight with respect to 100 parts by weight of the total amount of the base oil and a thickener.

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Patent Owner(s)

Patent OwnerAddress
NTN CORPORATIONOSAKA-SHI OSAKA 550-0003

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ito, Motohiro Mie, JP 11 153
Kawamura, Takayuki Mie, JP 43 293

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