Title:
GREASE-PACKED ROLLING BEARING FOR OUTER RING ROTATION
Document Type and Number:
Japanese Patent JP2009250377
Kind Code:
A
Abstract:
To provide a grease-packed rolling bearing for outer ring rotation capable of prolonging the service life of lubricating grease, suppressing abnormal noise at a low temperature, and obtaining excellent evaluation over the whole of grease leakage prevention.
This grease-packed rolling bearing for outer ring rotation comprises a rolling bearing A used in the outer ring rotation mode such as a pulley bearing, and lubricating grease G obtained by thickening base oil having dynamic viscosity at 40C of 13-73 cSt with a urea compound thicker, the grease G having been enclosed in the rolling bearing A in a volume proportion which is 20% of the total space volume in the bearing and 80% of the resting space volume therein.
Inventors:
SAKAGUCHI KENTA
Application Number:
JP2008100455A
Publication Date:
October 29, 2009
Filing Date:
April 08, 2008
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C33/66; C10M105/18; C10M105/32; C10M107/02; C10M115/08; C10M169/02; C10N20/02; C10N30/00; C10N30/02; C10N40/02; C10N50/10
Domestic Patent References:
| JP2005298629A | 2005-10-27 | |||
| JP2004210971A | 2004-07-29 | |||
| JP2005112955A | 2005-04-28 | |||
| JP2005048044A | 2005-02-24 |
Attorney, Agent or Firm:
Bunji Kamada
Torii Kazuhisa
Takayoshi Tagawa
Higashio Masahiro
Torii Kazuhisa
Takayoshi Tagawa
Higashio Masahiro
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