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Patent Searching and Data


Title:
BEARING SPACER FOR GREASE REPLENISHMENT, BEARING SET, AND SPINDLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/181752
Kind Code:
A1
Abstract:
A bearing spacer (3) is disposed on a compressed air supply side of a rolling bearing for applications in which compressed air (CA) is caused to pass through to the inside of a bearing space. The bearing spacer (3) comprises a set of an inner race spacer (11) and an outer race spacer (12). The set of the inner race spacer (11) and the outer race spacer (12) is configured in such a way as to enable grease to be retained in a space between the spacers. The bearing spacer (3) may be provided with non-contact seals which are provided at both ends, in the axial direction, of the outer race spacer (12), and inner diameter side ends of which come into contact with the inner race spacer (11) to seal the space between the spacers.

Inventors:
KOYAMA MINEO (JP)
Application Number:
PCT/JP2018/013330
Publication Date:
October 04, 2018
Filing Date:
March 29, 2018
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C33/66; B23Q11/12; F16C19/16; F16C33/78
Foreign References:
JP2003314571A2003-11-06
JPH0953564A1997-02-25
JP2007105850A2007-04-26
JP2002301636A2002-10-15
JP2017002971A2017-01-05
JP2008115922A2008-05-22
JP2002005181A2002-01-09
DE1425068A11968-12-12
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
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