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1. (WO2007013317) NEEDLE ROLLER BEARING

Pub. No.:    WO/2007/013317    International Application No.:    PCT/JP2006/314084
Publication Date: Fri Feb 02 00:59:59 CET 2007 International Filing Date: Sat Jul 15 01:59:59 CEST 2006
IPC: F16C 19/46
F16C 33/34
F16C 33/60
Applicants: NTN CORPORATION
NTN株式会社
HONDA MOTOR CO., LTD.
本田技研工業株式会社
ABE, Katsufumi
阿部 克史
OISHI, Shinji
大石 真司
YOSHIMURA, Yugo
吉村 友悟
FUJII, Noriaki
藤井 徳明
FUJIMOTO, Tomoya
藤本 智也
Inventors: ABE, Katsufumi
阿部 克史
OISHI, Shinji
大石 真司
YOSHIMURA, Yugo
吉村 友悟
FUJII, Noriaki
藤井 徳明
FUJIMOTO, Tomoya
藤本 智也
Title: NEEDLE ROLLER BEARING
Abstract:
A needle roller bearing has an outer ring having two outer ring members (12) split by a split line extending in the direction of the axis of the bearing, and also has needle rollers rollably placed on the raceway surface of the outer ring. The needle roller bearing satisfies the relationship of L/w < 0.5, where L is a non-contact length between the set of the outer ring members (12) and the set of the needle rollers (14) that pass on the butted sections between the two outer ring members, and w is an effective length of each needle roller (14).