Invention Grant
- Patent Title: Needle roller bearing and bearing structure
- Patent Title (中): 滚针轴承和轴承结构
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Application No.: US11989421Application Date: 2006-07-14
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Publication No.: US08128291B2Publication Date: 2012-03-06
- Inventor: Akihiko Katayama , Shinji Oishi , Yugo Yoshimura , Noriaki Fujii , Tomoya Fujimoto
- Applicant: Akihiko Katayama , Shinji Oishi , Yugo Yoshimura , Noriaki Fujii , Tomoya Fujimoto
- Applicant Address: JP Osaka JP Tokyo
- Assignee: NTN Corporation,Honda Motor Co., Ltd.
- Current Assignee: NTN Corporation,Honda Motor Co., Ltd.
- Current Assignee Address: JP Osaka JP Tokyo
- Agency: Clark & Brody
- Priority: JP2005-215793 20050726
- International Application: PCT/JP2006/314083 WO 20060714
- International Announcement: WO2007/013316 WO 20070201
- Main IPC: F16C19/46
- IPC: F16C19/46 ; F16C33/46
Abstract:
A needle roller bearing comprises an outer ring having a plurality of outer ring members split by a parting line extending in the axial direction of the bearing, a plurality of needle rollers rotatably arranged on the raceway surface of the outer ring, and a retainer retaining the plurality of needle rollers. A curvature radius r1 of the outer ring member and a curvature radius r2 of the outer diameter of the retainer has a relation such that 1
Public/Granted literature
- US20090136169A1 Needle Roller Bearing and Bearing Structure Public/Granted day:2009-05-28
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