JP2013160280A - 密封型転がり軸受 - Google Patents
密封型転がり軸受 Download PDFInfo
- Publication number
- JP2013160280A JP2013160280A JP2012021581A JP2012021581A JP2013160280A JP 2013160280 A JP2013160280 A JP 2013160280A JP 2012021581 A JP2012021581 A JP 2012021581A JP 2012021581 A JP2012021581 A JP 2012021581A JP 2013160280 A JP2013160280 A JP 2013160280A
- Authority
- JP
- Japan
- Prior art keywords
- seal
- rolling bearing
- ring
- sealed
- bearing
- 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
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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
- F16C33/80—Labyrinth sealings
- F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with sealing lips
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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
- F16C33/7889—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to an inner race and extending toward the outer race
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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
- F16C33/7896—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members with two or more discrete sealings arranged in series
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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
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
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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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/06—Drive shafts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Of Bearings (AREA)
Abstract
【解決手段】二重シールを構成する内側シール5と外側シール6をいずれも回転側軌道輪である内輪1に嵌合して、2つのシール5、6が相対回転しないようにすることにより、内輪1が軸方向に移動したり傾いたりしても両シール5、6が接触するおそれがなく、両シール5、6の間の隙間を小さく設定できるようにして、軸受の軸方向のコンパクト化を可能とするとともに、内側シール5を接触シールとし、外側シール6を非接触シールとすることにより、内輪1回転に必要なトルクの増大も抑えられるようにしたのである。
【選択図】図1
Description
1a 係止溝
2 外輪
3 ボール
4 保持器
5、6 シール
5a 芯金
5b 弾性部材
5c 基端部
5d シールリップ
6a 嵌合部
6b 環状部
6c テーパ部
6d 先端部
7 ラビリンス隙間
Claims (5)
- 回転側軌道輪である内輪と固定側軌道輪である外輪との間の軸受空間を、内側と外側の2つのシールで密封した二重シール構造の密封型転がり軸受において、前記内側シールと外側シールをいずれも前記内輪に嵌合し、前記内側シールを、前記外輪の内周面に摺接するシールリップを有する接触シールとし、前記外側シールを、前記外輪の内周面との間にラビリンス隙間を形成する非接触シールとしたことを特徴とする密封型転がり軸受。
- 前記外側シールが、前記内輪に嵌合される嵌合部と、その嵌合部の一端部から径方向に延びる環状部と、その環状部の外周部から軸受外側へ向かって拡径していくテーパ部と、そのテーパ部の外周部から前記外輪の内周面に沿って軸受外側へ延びて前記ラビリンス隙間を形成する先端部とからなるものであることを特徴とする請求項1に記載の密封型転がり軸受。
- 前記外側シールを溶融亜鉛めっき鋼板で形成したことを特徴とする請求項1または2に記載の密封型転がり軸受。
- 前記外側シールを合成樹脂で形成したことを特徴とする請求項1または2に記載の密封型転がり軸受。
- 自動車の等速ジョイント軸の支持部に用いられることを特徴とする請求項1乃至4のいずれかに記載の密封型転がり軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012021581A JP5926061B2 (ja) | 2012-02-03 | 2012-02-03 | 密封型転がり軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012021581A JP5926061B2 (ja) | 2012-02-03 | 2012-02-03 | 密封型転がり軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013160280A true JP2013160280A (ja) | 2013-08-19 |
JP5926061B2 JP5926061B2 (ja) | 2016-05-25 |
Family
ID=49172714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012021581A Expired - Fee Related JP5926061B2 (ja) | 2012-02-03 | 2012-02-03 | 密封型転がり軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5926061B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021223802A1 (de) * | 2020-05-05 | 2021-11-11 | Schaeffler Technologies AG & Co. KG | Wälzlager mit schleuderscheibe |
US20220355615A1 (en) * | 2021-05-07 | 2022-11-10 | Aktiebolaget Skf | Secondary sealing device for wheel bearing assemblies |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09196066A (ja) * | 1996-01-18 | 1997-07-29 | Nippon Seiko Kk | 転がり軸受用スリンガ |
JPH1151069A (ja) * | 1997-07-31 | 1999-02-23 | Minebea Co Ltd | ダブルシールベアリング |
JP2006161860A (ja) * | 2004-12-02 | 2006-06-22 | Koyo Sealing Techno Co Ltd | 密封装置 |
JP2007127157A (ja) * | 2005-11-01 | 2007-05-24 | Ntn Corp | 密封型転がり軸受 |
JP2008255489A (ja) * | 2008-04-11 | 2008-10-23 | Jtekt Corp | シールド板および転がり軸受の製造方法 |
WO2009144785A1 (ja) * | 2008-05-27 | 2009-12-03 | 日本精工株式会社 | 転がり軸受 |
-
2012
- 2012-02-03 JP JP2012021581A patent/JP5926061B2/ja not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09196066A (ja) * | 1996-01-18 | 1997-07-29 | Nippon Seiko Kk | 転がり軸受用スリンガ |
JPH1151069A (ja) * | 1997-07-31 | 1999-02-23 | Minebea Co Ltd | ダブルシールベアリング |
JP2006161860A (ja) * | 2004-12-02 | 2006-06-22 | Koyo Sealing Techno Co Ltd | 密封装置 |
JP2007127157A (ja) * | 2005-11-01 | 2007-05-24 | Ntn Corp | 密封型転がり軸受 |
JP2008255489A (ja) * | 2008-04-11 | 2008-10-23 | Jtekt Corp | シールド板および転がり軸受の製造方法 |
WO2009144785A1 (ja) * | 2008-05-27 | 2009-12-03 | 日本精工株式会社 | 転がり軸受 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021223802A1 (de) * | 2020-05-05 | 2021-11-11 | Schaeffler Technologies AG & Co. KG | Wälzlager mit schleuderscheibe |
US20220355615A1 (en) * | 2021-05-07 | 2022-11-10 | Aktiebolaget Skf | Secondary sealing device for wheel bearing assemblies |
US11668348B2 (en) * | 2021-05-07 | 2023-06-06 | Aktiebolaget Skf | Secondary sealing device for wheel bearing assemblies |
Also Published As
Publication number | Publication date |
---|---|
JP5926061B2 (ja) | 2016-05-25 |
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