Invention Grant
- Patent Title: Rolling bearing
- Patent Title (中): 滚动轴承
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Application No.: US11628673Application Date: 2005-05-23
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Publication No.: US08197146B2Publication Date: 2012-06-12
- Inventor: Takashi Tsujimoto , Rino Fukami
- Applicant: Takashi Tsujimoto , Rino Fukami
- Applicant Address: JP Osaka
- Assignee: NTN Corporation
- Current Assignee: NTN Corporation
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2004-188686 20040625
- International Application: PCT/JP2005/009362 WO 20050523
- International Announcement: WO2006/001144 WO 20060105
- Main IPC: F16C19/00
- IPC: F16C19/00 ; F16C33/34
Abstract:
At least on a surface of a rolling element of a rolling bearing, innumerable minute concave recesses are randomly formed. An area percentage of the recesses on the surface having the recesses formed thereon is in a range from 5 to 20%, and a surface roughness parameter Rymax of the surface having the recesses formed thereon is in a range of 0.4 to 1.0.
Public/Granted literature
- US20080260316A1 Rolling Bearing Public/Granted day:2008-10-23
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