Title:
ROLLING BEARING UNIT
Document Type and Number:
WIPO Patent Application WO/2012/063695
Kind Code:
A1
Abstract:
In order to provide a rolling bearing unit that enables a lubricant to be reliably supplied to a raceway surface of a bearing ring, and that reduces costs, this rolling bearing unit is provided with: a lubricant tank (2) that is fixed to an outer ring (3) and positioned inside a bearing space, and that accumulates grease internally; and a discharge port (13) that is provided to the lubricant tank (2), and that discharges the grease inside the tank on a raceway surface (3a) of the outer ring (3). An actuator (16) that moves the grease accumulated in the lubricant tank (2) to the discharge port (13) and discharges the grease on the raceway surface (3a), and an energy source (17) that drives the actuator (16) are provided.
Inventors:
KONDOU HIROMITSU (JP)
UMEMOTO TAKEHIKO (JP)
UMEMOTO TAKEHIKO (JP)
Application Number:
PCT/JP2011/075264
Publication Date:
May 18, 2012
Filing Date:
November 02, 2011
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
KONDOU HIROMITSU (JP)
UMEMOTO TAKEHIKO (JP)
KONDOU HIROMITSU (JP)
UMEMOTO TAKEHIKO (JP)
International Classes:
F16C33/66; F16C19/02; F16C19/22; F16C41/00; F16N7/38; F16N39/00; H01M10/44
Foreign References:
| JP2004108388A | 2004-04-08 | |||
| JP2008223843A | 2008-09-25 | |||
| JP2008106900A | 2008-05-08 | |||
| JP2005098467A | 2005-04-14 |
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
Shuji Sugimoto (JP)
Shuji Sugimoto (JP)
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Claims:
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