JP2009203989A5 - - Google Patents

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Publication number
JP2009203989A5
JP2009203989A5 JP2008043736A JP2008043736A JP2009203989A5 JP 2009203989 A5 JP2009203989 A5 JP 2009203989A5 JP 2008043736 A JP2008043736 A JP 2008043736A JP 2008043736 A JP2008043736 A JP 2008043736A JP 2009203989 A5 JP2009203989 A5 JP 2009203989A5
Authority
JP
Japan
Prior art keywords
seal
rotating member
annular seal
inner ring
bearing device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2008043736A
Other languages
Japanese (ja)
Other versions
JP5169302B2 (en
JP2009203989A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2008043736A priority Critical patent/JP5169302B2/en
Priority claimed from JP2008043736A external-priority patent/JP5169302B2/en
Publication of JP2009203989A publication Critical patent/JP2009203989A/en
Publication of JP2009203989A5 publication Critical patent/JP2009203989A5/ja
Application granted granted Critical
Publication of JP5169302B2 publication Critical patent/JP5169302B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (2)

外輪と内輪との間に複数の転動体が転動自在に配置された転がり軸受と、
前記内輪の軸方向端面に当接されており、当該内輪とともに回転する回転部材と、
前記外輪の軸方向端部に内嵌されたシールケースと、このシールケースに内嵌され、前記回転部材の外周面に摺接するリップ部を含むオイルシールとを有する密封装置と、
を備えた軸受装置であって、
前記シールケースと前記回転部材との間であって前記オイルシールよりも軸方向外側に、多孔質の弾性体からなる第1環状シールが配設され、
前記第1環状シールよりも軸方向外側に、ゴム状の弾性体からなる第2環状シールが配設されていることを特徴とする軸受装置。
A rolling bearing in which a plurality of rolling elements are arranged between the outer ring and the inner ring so as to be freely rotatable;
A rotating member that is in contact with the axial end surface of the inner ring and rotates together with the inner ring;
A sealing device having a seal case fitted in the axial end portion of the outer ring, and an oil seal that is fitted in the seal case and includes a lip portion that is in sliding contact with the outer peripheral surface of the rotating member;
A bearing device comprising:
A first annular seal made of a porous elastic body is disposed between the seal case and the rotating member and outside the oil seal in the axial direction,
A bearing device, wherein a second annular seal made of a rubber-like elastic body is disposed on the outer side in the axial direction than the first annular seal .
前記第1環状シール及び前記第2環状シールが、前記回転部材の外周面に弾性力によって密着している請求項1に記載の軸受装置。 The bearing device according to claim 1, wherein the first annular seal and the second annular seal are in close contact with an outer peripheral surface of the rotating member by an elastic force .
JP2008043736A 2008-02-26 2008-02-26 Bearing device Expired - Fee Related JP5169302B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008043736A JP5169302B2 (en) 2008-02-26 2008-02-26 Bearing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008043736A JP5169302B2 (en) 2008-02-26 2008-02-26 Bearing device

Publications (3)

Publication Number Publication Date
JP2009203989A JP2009203989A (en) 2009-09-10
JP2009203989A5 true JP2009203989A5 (en) 2011-10-27
JP5169302B2 JP5169302B2 (en) 2013-03-27

Family

ID=41146485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008043736A Expired - Fee Related JP5169302B2 (en) 2008-02-26 2008-02-26 Bearing device

Country Status (1)

Country Link
JP (1) JP5169302B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112253694B (en) * 2019-07-06 2022-04-05 浙江力耐得传动科技有限公司 Transmission structure of electric push rod

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7809912A (en) * 1978-10-02 1980-04-08 Skf Ind Trading & Dev BEARING FOR HIGH SPEEDS.
JPH02105659U (en) * 1989-02-09 1990-08-22
JP2000110946A (en) * 1998-10-06 2000-04-18 Koyo Sealing Techno Co Ltd Hermetic sealing device
JP2001295840A (en) * 2000-04-12 2001-10-26 Nippon Thompson Co Ltd Linear moving rolling guide unit
JP2003269471A (en) * 2002-03-18 2003-09-25 Nsk Ltd Bearing device for railway vehicle
JP2004052863A (en) * 2002-07-18 2004-02-19 Shinagawa Kogyosho:Kk Seal structure of main shaft of agitating device

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