Title:
TAPERED ROLLER BEARING
Document Type and Number:
WIPO Patent Application WO/2014/171405
Kind Code:
A1
Abstract:
This tapered roller bearing (1) is provided with: an inner race (2); an outer race (3); a plurality of tapered rollers (4) interposed between the outer and inner races; and a retainer (5) for retaining the tapered rollers (4) in a state preventing escape radially outward. In a location adjacent to an inner-race raceway surface (2a) of a small flange (7) provided on the inner race (2) is provided a reduced-diameter section (7b), the outer-diameter surface of which has a smaller diameter than the other portion (7a) of the small flange (7). The outer diameter (φ2) of the other portion (7a) of the small flange (7) is greater than, and the outer diameter (φd3) of the reduced-diameter section (7b) is less than, the diameter (φd1) of a circle inscribed in the sequence of tapered rollers (4) in the assembly (10) of the retainer and the rollers not yet installed in the inner race (2), the tapered rollers (4) being retained in the retainer (5).
Inventors:
NOMURA SHUHEI (JP)
Application Number:
PCT/JP2014/060480
Publication Date:
October 23, 2014
Filing Date:
April 11, 2014
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
NOMURA SHUHEI (JP)
NOMURA SHUHEI (JP)
International Classes:
F16C43/06; F16C19/36
Domestic Patent References:
| WO2005045269A1 | 2005-05-19 |
Foreign References:
| JP2013040634A | 2013-02-28 | |||
| JP2008261368A | 2008-10-30 | |||
| JP2012036993A | 2012-02-23 | |||
| JPS5520988A | 1980-02-14 | |||
| JP2007321939A | 2007-12-13 | |||
| JP2012013134A | 2012-01-19 | |||
| DE3520814A1 | 1986-12-11 | |||
| JP2010127323A | 2010-06-10 |
Other References:
See also references of EP 2988008A4
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
Shuji Sugimoto (JP)
Shuji Sugimoto (JP)
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