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Title:
風力発電機の主軸支持用転がり軸受、および風力発電機の主軸支持構造
Document Type and Number:
Japanese Patent JP4177854
Kind Code:
B2
Abstract:

To provide a roller bearing capable of smoothly rolling rollers and having reduced the possibility of damage to a retainer segment.

This tapered roller bearing comprises an outer ring, an inner ring, a plurality of tapered rollers disposed between the outer ring and the inner ring, a plurality of retainer segments 11a having a plurality of column parts 14a, 14b, 14c, 14d so extending in the direction along the axis as to form pockets 13a, 13b, 13c holding the tapered rollers and connecting parts 15a, 15b so circumferentially extending as to connect the column parts 14a to 14d to each other, so disposed between the outer ring and the inner ring as to be arranged continuously with each other in the circumferential direction, and having swelled parts 16a, 16b swelled to the circumferential outer side at the axial ends of the circumferential end faces 21a, 21b, and spacers disposed between the first retainer segment and the last retainer segment arranged continuously in the circumferential direction.

COPYRIGHT: (C)2008,JPO&INPIT


Inventors:
Tatsuya Omoto
Application Number:
JP2006082485A
Publication Date:
November 05, 2008
Filing Date:
March 24, 2006
Export Citation:
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Assignee:
ntn corporation
International Classes:
F16C33/51; F03D11/00
Domestic Patent References:
JP2004132473A
JP53023846U
JP54015145U
JP2005147331A
Foreign References:
EP1408248A1
Attorney, Agent or Firm:
Hidehiko Ito
Morishita Hachiro
Hiroyuki Yoshida