Title:
TAPERED ROLLER BEARING
Document Type and Number:
Japanese Patent JP2007120715
Kind Code:
A
Abstract:
To accurately supply lubricating oil to a sliding contact part between a large collar of an inner ring and the large end face of a roller of a tapered roller bearing.
Partial tapered rollers 3 arranged between raceway surfaces 1a, 2a of an outer ring 1 and the inner ring 2 have spiral oil grooves 5 ranging from small end faces 3b to large end faces 3c of the rolling contact surfaces 3a. Filled lubricating oil held in the oil groove 5 or inflow lubricating oil flowing from the small diameter side of the tapered roller 3 into the bearing to enter the oil groove 5 can thereby be accurately supplied to the sliding contact part with the large collar 2c of the inner ring 2 along the large end face 3c of the tapered roller 3.
Inventors:
KURUHARA SATOSHI
KATAOKA YUKIHIRO
KATAOKA YUKIHIRO
Application Number:
JP2005316912A
Publication Date:
May 17, 2007
Filing Date:
October 31, 2005
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C33/66; F16C19/36; F16C33/36
Domestic Patent References:
| JPS62822U | 1987-01-07 | |||
| JPH0618731U | 1994-03-11 | |||
| JP2002061655A | 2002-02-28 |
Attorney, Agent or Firm:
Bunji Kamada
Torii Kazuhisa
Takayoshi Tagawa
Higashio Masahiro
Torii Kazuhisa
Takayoshi Tagawa
Higashio Masahiro
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