Title:
TAPERED ROLLER BEARING AND ROLLING STOCK AXLE SUPPORTING STRUCTURE
Document Type and Number:
Japanese Patent JP2006316838
Kind Code:
A
Abstract:
To provide a tapered roller bearing having a cage capable of holding a tapered roller properly.
This tapered roller bearing 11 is provided with an inner ring 12, an outer ring 13, the tapered roller 14 arranged between the inner ring 12 and the outer ring 13, a cage 15 for holding an interval of the tapered rollers 14, and a sealing seal for sealing both end faces of the bearing. The cage 15 has a ring shape and has a plurality of pockets for storing the tapered roller 14 on its circumferential face. The wall face of the pocket has a curved face shape along the rolling face of the tapered roller 14. The diameter R1 of a guide face and the diameter R2 of the roller have a relation of 1.00<R1/R2≤1.08.
Inventors:
ISHIKAWA SHIRO
UENO MASANORI
UENO MASANORI
Application Number:
JP2005138179A
Publication Date:
November 24, 2006
Filing Date:
May 11, 2005
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C33/46; B61F15/12; F16C19/38; F16C33/56
Attorney, Agent or Firm:
Hidehiko Ito
Morishita Hachiro
Hiroyuki Yoshida
Morishita Hachiro
Hiroyuki Yoshida