Title:
TAPERED ROLLER BEARING
Document Type and Number:
WIPO Patent Application WO/2014/115821
Kind Code:
A1
Abstract:
In a holder (20) of a tapered roller bearing (1) according to the present invention, tapered rollers (30) are held using a plurality of pockets formed between: a large diameter-side annular part (22) and a small-diameter-side annular part (23) disposed side by side in an axial direction; and a plurality of columnar parts (24) which couple the large-diameter-side annular part (22) and the small-diameter-side annular part (23) in the axial direction, and which are provided at a substantially equal interval in a peripheral direction. The ratio of a section modulus of the small-diameter-side annular part (23) to a section modulus of the large-diameter-side annular part (22) of the holder (20) is in the range 0.5 to 1.5 inclusive.
Inventors:
USHIMARU SATOSHI (JP)
MURAI TAKASHI (JP)
MURAI TAKASHI (JP)
Application Number:
PCT/JP2014/051422
Publication Date:
July 31, 2014
Filing Date:
January 23, 2014
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
F16C19/36; F16C33/46; F16C33/54; F16C33/66
Foreign References:
| JP2004263877A | 2004-09-24 | |||
| JP2006322017A | 2006-11-30 |
Attorney, Agent or Firm:
HAMADA Yuriko et al. (JP)
Yuriko Hamada (JP)
Yuriko Hamada (JP)
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