JP4537350B2 - 転がり軸受 - Google Patents
転がり軸受 Download PDFInfo
- Publication number
- JP4537350B2 JP4537350B2 JP2006171521A JP2006171521A JP4537350B2 JP 4537350 B2 JP4537350 B2 JP 4537350B2 JP 2006171521 A JP2006171521 A JP 2006171521A JP 2006171521 A JP2006171521 A JP 2006171521A JP 4537350 B2 JP4537350 B2 JP 4537350B2
- Authority
- JP
- Japan
- Prior art keywords
- grease
- bearing
- gap
- lid
- ring
- 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.)
- Expired - Fee Related
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
- F16C33/784—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
- F16C33/7846—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 a gap between the annular disc and the inner race
-
- 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
- F16C33/6618—Retaining the grease in or near the bearing in a reservoir in the sealing means
-
- 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
- F16C19/26—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 a single row of rollers
-
- 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
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
Description
Claims (5)
- 内輪と、
外輪と、
前記内輪および前記外輪の間に配置された複数の転動体と、
前記内輪および前記外輪の両端面からコの字型の断面形状で突出する密封部材とを備え、
前記密封部材は、
内壁面から突出して、密封部材内部を円周方向に区切る複数の堰と、
開口端の一部を覆うリング形状の蓋とを有し、
前記密封部材の開口端には、径方向内側の内壁面と前記蓋との間に内側隙間と、径方向外側の内壁面と前記蓋との間に外側隙間とが設けられている、転がり軸受。 - 前記内側隙間の隙間量δ1は、
0.1mm≦δ1≦0.5mm
を満たす、請求項1に記載の転がり軸受。 - 前記外側隙間の隙間量をδ2、前記開口端の径方向寸法をtとすると、
1/3≦δ2/t≦1/2
を満たす、請求項1または2に記載の転がり軸受。 - 前記堰は、前記密封部材の開口端の方向を向く端面に前記蓋と係合する係合爪を有し、
前記蓋は、前記係合爪に対面する位置に前記係合爪を受け入れる凹部を有する、請求項1〜3のいずれかに記載の転がり軸受。 - 前記内輪の内径面および端面、または前記外輪の外径面および端面には、絶縁層が設けられている、請求項1〜4のいずれかに記載の転がり軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006171521A JP4537350B2 (ja) | 2006-06-21 | 2006-06-21 | 転がり軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006171521A JP4537350B2 (ja) | 2006-06-21 | 2006-06-21 | 転がり軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008002540A JP2008002540A (ja) | 2008-01-10 |
JP4537350B2 true JP4537350B2 (ja) | 2010-09-01 |
Family
ID=39007091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006171521A Expired - Fee Related JP4537350B2 (ja) | 2006-06-21 | 2006-06-21 | 転がり軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4537350B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5233742B2 (ja) * | 2009-02-26 | 2013-07-10 | 日本精工株式会社 | ころ軸受用樹脂製保持器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS576550A (en) * | 1980-06-11 | 1982-01-13 | Toshiba Corp | Bearing device for rotary electric machine for vehicle |
JPH0545246U (ja) * | 1991-09-30 | 1993-06-18 | エヌテイエヌ株式会社 | 転がり軸受装置 |
JP2004346972A (ja) * | 2003-05-20 | 2004-12-09 | Ntn Corp | 密封軸受 |
JP2005221042A (ja) * | 2004-02-09 | 2005-08-18 | Ntn Corp | 転がり軸受 |
-
2006
- 2006-06-21 JP JP2006171521A patent/JP4537350B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS576550A (en) * | 1980-06-11 | 1982-01-13 | Toshiba Corp | Bearing device for rotary electric machine for vehicle |
JPH0545246U (ja) * | 1991-09-30 | 1993-06-18 | エヌテイエヌ株式会社 | 転がり軸受装置 |
JP2004346972A (ja) * | 2003-05-20 | 2004-12-09 | Ntn Corp | 密封軸受 |
JP2005221042A (ja) * | 2004-02-09 | 2005-08-18 | Ntn Corp | 転がり軸受 |
Also Published As
Publication number | Publication date |
---|---|
JP2008002540A (ja) | 2008-01-10 |
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