JP2006250240A - 密封型転がり軸受 - Google Patents
密封型転がり軸受 Download PDFInfo
- Publication number
- JP2006250240A JP2006250240A JP2005067518A JP2005067518A JP2006250240A JP 2006250240 A JP2006250240 A JP 2006250240A JP 2005067518 A JP2005067518 A JP 2005067518A JP 2005067518 A JP2005067518 A JP 2005067518A JP 2006250240 A JP2006250240 A JP 2006250240A
- Authority
- JP
- Japan
- Prior art keywords
- contact
- sealed
- bearing
- grease
- seal
- 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.)
- Pending
Links
Images
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
- F16C33/7896—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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6607—Retaining the grease in or near the bearing
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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
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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
- F16C33/7843—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 single annular sealing disc
- F16C33/7853—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 single annular sealing disc with one or more sealing lips to contact the inner race
- F16C33/7856—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 single annular sealing disc with one or more sealing lips to contact the inner race with a single sealing lip
-
- 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
Abstract
【解決手段】内輪1と外輪2の間の軸受空間を内外2枚の接触シール5、6で密封し、これらの内外2枚の接触シール5、6間の空間に、空間容積比で40〜70%のグリースAを封入することにより、泥水の付着によるシール性の低下を防止した上で、外側の接触シール6の摺接に伴う軸受トルクを低く安定させることができるとともに、軸受空間への水分の浸入を防止することができ、かつ、グリース漏れが発生しないようにした。
【選択図】図2
Description
・回転速度 :1000rpm
・試験時間 :160時間
1 内輪
1a シール摺接面
1b 段差部
2 外輪
2a シール摺接面
2b 溝
3 ボール
4 保持器
5、6 接触シール
5a、6a 芯金
5b、6b 弾性部材
5c、6c リップ
Claims (2)
- 内輪と外輪の間の軸受空間を、弾性部材で形成したリップを内輪または外輪に設けたシール摺接面に接触させる接触シールで密封した密封型転がり軸受において、前記軸受空間を内外2枚の接触シールで密封し、これらの内外2枚の接触シール間の空間に、空間容積比で40〜70%のグリースを封入したことを特徴とする密封型転がり軸受。
- 前記内外2枚の接触シールのうち、外側の接触シールのリップを前記外輪の内周面に設けたシール摺接面に接触させた請求項1に記載の密封型転がり軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005067518A JP2006250240A (ja) | 2005-03-10 | 2005-03-10 | 密封型転がり軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005067518A JP2006250240A (ja) | 2005-03-10 | 2005-03-10 | 密封型転がり軸受 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006250240A true JP2006250240A (ja) | 2006-09-21 |
Family
ID=37090963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005067518A Pending JP2006250240A (ja) | 2005-03-10 | 2005-03-10 | 密封型転がり軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2006250240A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017204058A1 (ja) * | 2016-05-24 | 2017-11-30 | Ntn株式会社 | 軸受密封装置 |
CN112855771A (zh) * | 2020-08-14 | 2021-05-28 | 钛钿工业股份有限公司 | 防尘轴承 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62278315A (ja) * | 1986-05-24 | 1987-12-03 | Koyo Seiko Co Ltd | 軸受装置 |
JPH03100622U (ja) * | 1990-02-05 | 1991-10-21 | ||
JP2003239891A (ja) * | 2001-12-11 | 2003-08-27 | Uchiyama Mfg Corp | ウォータポンプ軸受 |
JP2004183693A (ja) * | 2002-11-29 | 2004-07-02 | Nsk Ltd | グリース封入軸受 |
-
2005
- 2005-03-10 JP JP2005067518A patent/JP2006250240A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62278315A (ja) * | 1986-05-24 | 1987-12-03 | Koyo Seiko Co Ltd | 軸受装置 |
JPH03100622U (ja) * | 1990-02-05 | 1991-10-21 | ||
JP2003239891A (ja) * | 2001-12-11 | 2003-08-27 | Uchiyama Mfg Corp | ウォータポンプ軸受 |
JP2004183693A (ja) * | 2002-11-29 | 2004-07-02 | Nsk Ltd | グリース封入軸受 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017204058A1 (ja) * | 2016-05-24 | 2017-11-30 | Ntn株式会社 | 軸受密封装置 |
CN109154326A (zh) * | 2016-05-24 | 2019-01-04 | Ntn株式会社 | 轴承密封装置 |
EP3467329A4 (en) * | 2016-05-24 | 2019-06-12 | NTN Corporation | BEARING SEAL DEVICE |
US10648571B2 (en) | 2016-05-24 | 2020-05-12 | Ntn Corporation | Bearing sealing device |
CN112855771A (zh) * | 2020-08-14 | 2021-05-28 | 钛钿工业股份有限公司 | 防尘轴承 |
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