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Patent Searching and Data


Title:
SEALING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/116971
Kind Code:
A1
Abstract:
This sealing device is disposed between an inner member and an outer member of a rolling bearing that is provided with the inner member and the outer member which rotate relative to each other, and seals a gap between the inner member and the outer member. The inner member has a cylindrical section and a flange that widens radially outward from the cylindrical section. The sealing device is provided with: an attachment section attached to the outer member of the rolling bearing; an inner annular section extending radially inward from the attachment section; a grease lip formed of an elastic material and extending from the inner annular section toward the cylindrical section of the inner member of the rolling bearing; and a side lip formed of an elastic material and extending from the inner annular section toward the flange of the inner member of the rolling bearing. When the sealing device is attached to the rolling bearing, the interference between the side lip and the flange is less than 1.15 mm.

Inventors:
SHUTO YUICHI (JP)
SASAKI KEI (JP)
Application Number:
JP2018/044613
Publication Date:
June 20, 2019
Filing Date:
December 04, 2018
Export Citation:
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Assignee:
NOK CORP (JP)
International Classes:
F16C33/78; B60B35/18; F16C19/18; F16J15/3232
Foreign References:
JP2003222145A2003-08-08
Attorney, Agent or Firm:
KONISHI Kay et al. (JP)
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