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Title:
SLIDING BEARING
Document Type and Number:
Japanese Patent JP2009024798
Kind Code:
A
Abstract:

To provide a sliding bearing capable of providing excellent lubricating effect, hardly abraded by restraining metallic contact even if high bearing pressure is received, and capable of exhibiting the smooth bearing action over a long period, by sufficiently supplying lubricating oil stored in a plurality of grooves extending in the direction crossing with the peripheral direction, to the whole area of a sliding surface adjacent to its groove in response to the rotation of a shaft.

An inclined groove 12 is formed on an inner peripheral surface 10 of a beating 1 under a condition of the following (A)-(D): (A) a range of 10-60 degrees in the direction orthogonal to the peripheral direction, (B) a groove width B in the peripheral direction is set to 0.5-5 mm, (C) a width A in the peripheral direction of the sliding surface 14 being a surface of a crest part between the adjacent grooves is set to 1-7 mm, and (D) the ratio A/B of the width A to the groove width B of the sliding surface is set to 0.5-5.0, and an inner peripheral groove 15 and an outer peripheral groove 16 communicating with the inclined groove 12, are also formed in the bearing 1 in a pair state, and a through-hole 17 is formed for penetrating through the inner peripheral groove 15 and the outer peripheral groove 16.


Inventors:
MARUYAMA KAZUO
YANASE TAKESHI
MAKI KUNIO
MAWATARI OSAMU
KOBAYASHI JUNICHI
Application Number:
JP2007189396A
Publication Date:
February 05, 2009
Filing Date:
July 20, 2007
Export Citation:
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Assignee:
HITACHI POWDERED METALS
International Classes:
F16C33/10; F16C17/02; F16C33/12
Domestic Patent References:
JPH06173937A1994-06-21
JPH11303854A1999-11-02
JP2004084815A2004-03-18
JP2006009846A2006-01-12
Foreign References:
WO2007132735A12007-11-22
Attorney, Agent or Firm:
Suenari Mikio