Invention Grant
- Patent Title: Rolling bearing
- Patent Title (中): 滚动轴承
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Application No.: US11628050Application Date: 2005-05-06
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Publication No.: US09033584B2Publication Date: 2015-05-19
- Inventor: Takashi Tsujimoto , Rino Fukami , Seiji Kanbara
- Applicant: Takashi Tsujimoto , Rino Fukami , Seiji Kanbara
- Applicant Address: JP Osaka
- Assignee: NTN CORPORATION
- Current Assignee: NTN CORPORATION
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2004-188637 20040625; JP2004-198614 20040705; JP2004-198620 20040705; JP2004-217630 20040726; JP2004-237679 20040817; JP2004-237681 20040817; JP2004-237682 20040817; JP2004-237684 20040817
- International Application: PCT/JP2005/008359 WO 20050506
- International Announcement: WO2006/001124 WO 20060105
- Main IPC: F16C33/34
- IPC: F16C33/34 ; F16C19/00 ; F16C33/32 ; F16C33/64 ; F16C33/66
Abstract:
At least the surfaces of rolling elements of a rolling bearing are each randomly formed with an innumerable number of microconcave-like pits. The surface roughness parameter Ryni of the surfaces provided with the pits is in a range of 0.4 to 1.0 μm, and the Sk value is −1.6 or below.
Public/Granted literature
- US20070258672A1 Rolling Bearing Public/Granted day:2007-11-08
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