JP6518406B2 - 円すいころ軸受 - Google Patents
円すいころ軸受 Download PDFInfo
- Publication number
- JP6518406B2 JP6518406B2 JP2014093478A JP2014093478A JP6518406B2 JP 6518406 B2 JP6518406 B2 JP 6518406B2 JP 2014093478 A JP2014093478 A JP 2014093478A JP 2014093478 A JP2014093478 A JP 2014093478A JP 6518406 B2 JP6518406 B2 JP 6518406B2
- Authority
- JP
- Japan
- Prior art keywords
- lip
- bearing
- contact
- seal
- contact angle
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 claims description 11
- 230000003746 surface roughness Effects 0.000 claims description 6
- 230000005489 elastic deformation Effects 0.000 claims 1
- 210000001503 joint Anatomy 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000007654 immersion Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 239000004519 grease Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000010731 rolling oil Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 210000003739 neck Anatomy 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
- F16C19/383—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
- F16C19/388—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with four rows, i.e. four row tapered roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/768—Sealings of ball or roller bearings between relatively stationary parts, i.e. static seals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Description
ここで、試験に際し、図3の概略図で示すように、シール保持具30に試験品(本発明品、比較品)をセットし、その試験品としての本発明品においては、主リップ24を回転盤31の外周円筒面31aに弾性接触させて、ノズル32により、回転盤31とシール保持具30の対向部に形成された隙間34から主リップ24と回転盤31の接触部に水蒸気を噴射して、主リップ32とサイドリップ25の対向部間に保持させたグリースの含水率を測定した。
一方、試験品としての比較品においては、芯金40に保持された弾性リング41の内周のリップ42を回転盤31の外周円筒面31aに弾性接触させて、ノズル32により、回転盤31とシール保持具30の対向部に形成された隙間34からリップ42と回転盤31の接触部に水蒸気を噴射して、リップ42の背部に形成された環状溝43に保持させたグリースの含水率を測定した。
いずれのグリースにおいても、含水率0.23%のものを採用した。
表2は試験条件を示す。
15 小つば
16 インロー部
21 中間シール
24 主リップ
25 サイドリップ
f1 軸受外部側面
f2 軸受内部側面
f3 軸受外部側面
f4 軸受内部側面
Claims (1)
- 外周の端部に設けられた小つばが向き合い、その小つばの端面に形成されたインロー部が互いに突き合わされた一対の複列内輪を有し、その一対の複列内輪の互いに突き合わされたインロー部の外側に中間シールを装着して、前記突合せ部をシールした複列円すいころ軸受において、
前記中間シールが、前記インロー部の外径面に弾性接触される主リップを内周に有し、その主リップが弾性接触される前記インロー部のシール摺接面の面粗さRaを1.2μm以下とし、前記主リップのシール摺接面に対する軸受外部側面の接触角をα、軸受内部側面の接触角をβとしたとき、前記主リップによるシール摺接部では軸受内部から軸受外部側面に流体が流れるようにα>βとし、
前記中間シールが、前記インロー部の付け根における小つばの端面に弾性接触するサイドリップを有し、そのサイドリップが摺接される前記小つばのシール摺接面の面粗さRaを6μm以下とし、前記サイドリップのシール摺接面に対する軸受外部側面の接触角をγ、軸受内部側面の接触角をδとしたとき、γ>δとし、
前記主リップが、前記インロー部の外径面との弾性接触によって前記サイドリップ側へ湾曲するように弾性変形を生じる形状であり、前記サイドリップが、前記小つばの端面との弾性接触によって前記主リップ側へ湾曲するように弾性変形を生じる形状であることを特徴とする複列円すいころ軸受。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014093478A JP6518406B2 (ja) | 2014-04-30 | 2014-04-30 | 円すいころ軸受 |
PCT/JP2015/062506 WO2015166883A1 (ja) | 2014-04-30 | 2015-04-24 | 円すいころ軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014093478A JP6518406B2 (ja) | 2014-04-30 | 2014-04-30 | 円すいころ軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015209950A JP2015209950A (ja) | 2015-11-24 |
JP6518406B2 true JP6518406B2 (ja) | 2019-05-22 |
Family
ID=54358612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014093478A Active JP6518406B2 (ja) | 2014-04-30 | 2014-04-30 | 円すいころ軸受 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6518406B2 (ja) |
WO (1) | WO2015166883A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019130275A1 (de) * | 2019-11-11 | 2021-05-12 | Schaeffler Technologies AG & Co. KG | Radlagereinheit |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0225016Y2 (ja) * | 1985-08-01 | 1990-07-10 | ||
JP4109374B2 (ja) * | 1999-02-23 | 2008-07-02 | バルチラジャパン株式会社 | 船尾管シール装置 |
JP3628253B2 (ja) * | 2000-12-14 | 2005-03-09 | 光洋精工株式会社 | 圧延機のロールネック用軸受の密封装置 |
JP2003074491A (ja) * | 2001-09-04 | 2003-03-12 | Nsk Ltd | ウォータポンプ用シール装置とウォータポンプ用回転支持装置とウォータポンプ |
EP1475548B1 (en) * | 2002-02-14 | 2012-04-11 | Nsk Ltd. | Sealing device, and rolling bearing and hub unit incorporating the sealing unit |
JP2004092739A (ja) * | 2002-08-30 | 2004-03-25 | Nsk Ltd | 密封形転がり軸受 |
JP2005016683A (ja) * | 2003-06-27 | 2005-01-20 | Nsk Ltd | シール装置付転がり軸受 |
JP2007239987A (ja) * | 2006-02-10 | 2007-09-20 | Nsk Ltd | シール装置及びシール装置付転がり軸受ユニット |
JP5022000B2 (ja) * | 2006-10-24 | 2012-09-12 | 株式会社ジェイテクト | 密封装置および転がり軸受装置 |
JP5423237B2 (ja) * | 2009-08-20 | 2014-02-19 | 株式会社ジェイテクト | 密封装置および転がり軸受 |
JP2011174570A (ja) * | 2010-02-25 | 2011-09-08 | Arai Seisakusho Co Ltd | 密封装置 |
JP4673452B1 (ja) * | 2010-06-10 | 2011-04-20 | バルチラジャパン株式会社 | シールリングおよび船尾管シール装置 |
JP2013249859A (ja) * | 2012-05-30 | 2013-12-12 | Nsk Ltd | オイルシール及び密封型転がり軸受 |
-
2014
- 2014-04-30 JP JP2014093478A patent/JP6518406B2/ja active Active
-
2015
- 2015-04-24 WO PCT/JP2015/062506 patent/WO2015166883A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2015209950A (ja) | 2015-11-24 |
WO2015166883A1 (ja) | 2015-11-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10240674B2 (en) | Sealing device | |
WO2013015108A1 (ja) | 密封型転がり軸受 | |
JP2014001811A (ja) | 密封装置付き自動調心ころ軸受 | |
JP2012137122A (ja) | 密封装置、及びこれを備えた転がり軸受装置 | |
JP6518406B2 (ja) | 円すいころ軸受 | |
CA2732467A1 (en) | Railway car bearing seal | |
JP2015021590A (ja) | 転がり軸受用シール装置、及び転がり軸受 | |
CN208669868U (zh) | 一种应用于减震器上的轴承 | |
JP2015183794A (ja) | 密封装置 | |
JP2013145028A (ja) | 密封型転がり軸受 | |
JP6381232B2 (ja) | 転がり軸受 | |
JP2016001036A (ja) | 密封型転がり軸受 | |
JP2017040337A (ja) | 転がり軸受 | |
GB2538771A (en) | Sealing arrangement | |
JP2015227671A (ja) | 密封型転がり軸受 | |
JP2015161405A (ja) | 密封装置付き転がり軸受 | |
JP2017150506A (ja) | 鉄道車両用軸受ユニット | |
JP2011247293A (ja) | 転がり軸受 | |
JP2017150507A (ja) | 4列円すいころ軸受 | |
JP2005163828A (ja) | 軸受装置 | |
JP2017137897A (ja) | 密封装置 | |
JP2014173686A (ja) | 密封形ロールネック軸受 | |
JP6340280B2 (ja) | 鉄道車両の車軸用軸受の密封装置 | |
JP2015218786A (ja) | アンギュラ玉軸受 | |
JP5953700B2 (ja) | ロールネック用密封型円すいころ軸受 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170330 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180206 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180406 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20181002 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20181227 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20190109 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190326 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190422 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6518406 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |