JP2005140147A - 外輪回転形転がり軸受 - Google Patents
外輪回転形転がり軸受 Download PDFInfo
- Publication number
- JP2005140147A JP2005140147A JP2003373984A JP2003373984A JP2005140147A JP 2005140147 A JP2005140147 A JP 2005140147A JP 2003373984 A JP2003373984 A JP 2003373984A JP 2003373984 A JP2003373984 A JP 2003373984A JP 2005140147 A JP2005140147 A JP 2005140147A
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- JP
- Japan
- Prior art keywords
- outer ring
- lip
- holder
- receiving member
- contact
- 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.)
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Classifications
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- 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
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
- F16C33/7859—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a further sealing element
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- 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
- F16C19/24—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 radial load mainly
- F16C19/28—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 radial load mainly with two or more rows of rollers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
【解決手段】リップシール7のホルダ6を外輪1に固定し、受け部材8を内輪2に固定して、外径向きとしたリップシール7のリップ7aを軸方向から受け部材8に接触させることにより、外輪1の回転に伴う遠心力が大きくなるほど、受け部材8に接触する外径向きのリップ7aが立ち上がるようにして、外輪1が高速回転するときに、リップ7aの受け部材8への接触圧力が下がるようにし、シール性を確保した上で、リップ7aの接触に起因する摩擦トルクを抑制できるようにした。
【選択図】図1
Description
2 内輪
1a、2a 鍔
3 ころ
4 間座
5 保持器
6 ホルダ
7 リップシール
7a リップ
8 受け部材
9 止め輪
10 小孔
11 Oリング
12 隙間
Claims (4)
- 外輪回転で使用され、ホルダに取り付けた接触式シールを、ホルダに対向して配設された受け部材に接触させて、内外輪間の軸受空間をシールする外輪回転形転がり軸受において、前記ホルダを外輪側に固定し、前記受け部材を内輪側に固定して、前記接触式シールを外径向きのリップを有するリップシールとし、このリップシールのリップを軸方向から前記受け部材に接触させるようにしたことを特徴とする外輪回転形転がり軸受。
- 前記ホルダと受け部材のうち、前記軸受空間の軸方向内側に配設した方の部材に、軸受空間に開口する1つ以上の小孔を設け、前記軸受空間の軸方向外側に配設した方の部材の先端と、この先端と対向する外輪または内輪の径面との間に隙間を設けた請求項1に記載の外輪回転形転がり軸受。
- 前記隙間の総開口面積を、前記小孔の総開口面積よりも大きくした請求項2に記載の外輪回転形転がり軸受。
- 前記ホルダを軸受空間の軸方向内側に配設して、このホルダ側に設けられた前記小孔の径方向位置を、前記外輪の鍔部内径面よりも内径側とした請求項2または3に記載の外輪回転形転がり軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003373984A JP2005140147A (ja) | 2003-11-04 | 2003-11-04 | 外輪回転形転がり軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003373984A JP2005140147A (ja) | 2003-11-04 | 2003-11-04 | 外輪回転形転がり軸受 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005140147A true JP2005140147A (ja) | 2005-06-02 |
Family
ID=34685848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003373984A Pending JP2005140147A (ja) | 2003-11-04 | 2003-11-04 | 外輪回転形転がり軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2005140147A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2093441A3 (en) * | 2008-02-25 | 2009-09-16 | JTEKT Corporation | Sealing device for bearing |
WO2010046173A1 (de) * | 2008-10-22 | 2010-04-29 | Schaeffler Technologies Gmbh & Co. Kg | Wälzlager mit dichtelementen |
KR20140092765A (ko) * | 2013-01-16 | 2014-07-24 | 가부시키가이샤 제이텍트 | 롤링 베어링 장치, 및 이것을 사용한 압연기용 백업 롤 |
-
2003
- 2003-11-04 JP JP2003373984A patent/JP2005140147A/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2093441A3 (en) * | 2008-02-25 | 2009-09-16 | JTEKT Corporation | Sealing device for bearing |
US8308370B2 (en) | 2008-02-25 | 2012-11-13 | Jtekt Corporation | Sealing device for bearing |
WO2010046173A1 (de) * | 2008-10-22 | 2010-04-29 | Schaeffler Technologies Gmbh & Co. Kg | Wälzlager mit dichtelementen |
KR20140092765A (ko) * | 2013-01-16 | 2014-07-24 | 가부시키가이샤 제이텍트 | 롤링 베어링 장치, 및 이것을 사용한 압연기용 백업 롤 |
KR102153439B1 (ko) | 2013-01-16 | 2020-09-08 | 가부시키가이샤 제이텍트 | 롤링 베어링 장치, 및 이것을 사용한 압연기용 백업 롤 |
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