Title:
RADIAL NEEDLE BEARING
Document Type and Number:
Japanese Patent JP2010255778
Kind Code:
A
Abstract:
To provide a radial needle bearing capable of reducing friction, and capable of realizing high rotation.
This radial needle bearing 20 is arranged between a support shaft 4e and a planetary gear 4c in the planetary gear mechanism 4 of an automatic transmission for a vehicle, and includes a cage 10 for rollingly holding a plurality of needles 16 arranged at a predetermined interval in the peripheral direction and used for guiding an outer diameter, and a floating bush 17 arranged between the cage 10 and the planetary gear 4c and relatively rotatable to the cage outer peripheral surface 15 and a planetary gear inner peripheral surface 4c1.
Inventors:
CHIGA MANABU
Application Number:
JP2009107957A
Publication Date:
November 11, 2010
Filing Date:
April 27, 2009
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C19/46; F16H57/021; F16H57/08
Attorney, Agent or Firm:
Shohei Oguri
Hironori Honda
Toshimitsu Ichikawa
Hironori Honda
Toshimitsu Ichikawa