Invention Grant
- Patent Title: Electrolytic erosion preventing insulated rolling bearing, manufacturing method thereof, and bearing device
- Patent Title (中): 电解侵蚀防止绝缘滚动轴承，其制造方法和轴承装置
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Application No.: US11994284Application Date: 2006-10-26
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Publication No.: US08425120B2Publication Date: 2013-04-23
- Inventor: Katsuhiro Konno , Kenji Kotaki , Takashi Murai , Osamu Fujii , Tetsuo Watanabe , Takayuki Matsushita
- Applicant: Katsuhiro Konno , Kenji Kotaki , Takashi Murai , Osamu Fujii , Tetsuo Watanabe , Takayuki Matsushita
- Applicant Address: JP Tokyo
- Assignee: NSK Ltd.
- Current Assignee: NSK Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Crowell & Moring LLP
- Priority: JP2005-312160 20051027; JP2006-018631 20060127; JP2006-163439 20060613; JP2006-168605 20060619; JP2006-194060 20060714; JP2006-213136 20060804
- International Application: PCT/JP2006/321434 WO 20061026
- International Announcement: WO2007/049727 WO 20070503
- Main IPC: F16C19/00
- IPC: F16C19/00 ; F16C33/58
Abstract:
Disclosed herein is an electrolytic erosion preventing insulated rolling bearing and a manufacturing method thereof. In one embodiment, the electrolytic erosion preventing insulated rolling bearing includes an insulating coating being a ceramic coating layer including alumina as the main component and 0.01 to 0.2 percent by weight titanium oxide with the alumina having a particle size ranging from 10 to 50 μm and average particle size ranging from 15 to 25 μm.
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