Invention Grant
- Patent Title: Rolling bearing
-
Application No.: US16337578Application Date: 2018-01-29
-
Publication No.: US10995798B2Publication Date: 2021-05-04
- Inventor: Tsutomu Sato , Fangqi Gong
- Applicant: NSK LTD.
- Applicant Address: JP Tokyo
- Assignee: NSK LTD.
- Current Assignee: NSK LTD.
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JPJP2017-017773 20170202
- International Application: PCT/JP2018/002808 WO 20180129
- International Announcement: WO2018/143138 WO 20180809
- Main IPC: F16C33/62
- IPC: F16C33/62 ; F16C33/34 ; F16C33/32

Abstract:
A rolling bearing of the present invention includes an inner ring, an outer ring and a rolling element which are all made of a steel material, and (A) a surface of the rolling element is formed with an Ag coating film, and a raceway of at least one of the inner ring and the outer ring is formed with a Cr coating film or (B) a surface of the rolling element is formed with a Cr coating film, and a raceway of at least one of the inner ring and the outer ring is formed with a Cr coating film.
Public/Granted literature
- US20200032847A1 ROLLING BEARING Public/Granted day:2020-01-30
Information query