JP4738984B2 - 転がり軸受 - Google Patents
転がり軸受 Download PDFInfo
- Publication number
- JP4738984B2 JP4738984B2 JP2005325212A JP2005325212A JP4738984B2 JP 4738984 B2 JP4738984 B2 JP 4738984B2 JP 2005325212 A JP2005325212 A JP 2005325212A JP 2005325212 A JP2005325212 A JP 2005325212A JP 4738984 B2 JP4738984 B2 JP 4738984B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- grease
- outer ring
- rolling bearing
- sealing member
- 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)
- Motor Or Generator Frames (AREA)
Description
Claims (4)
- 鉄道車両の主電動機に使用される転がり軸受であって、
回転側となる内輪と、
固定側となる外輪と、
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略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、前記外輪に固定されており、
前記密封部材には、円周方向に延びる形状であり、略コの字型の領域で形成されるグリースポケットを仕切らない範囲で内壁面から突出する凸部が設けられている、転がり軸受。 - 前記凸部は、前記密封部材の底壁に配置され、円周方向に延びる環状突起である、請求項1に記載の転がり軸受。
- 前記環状突起は、円周上に所定の隙間を設けて配置される複数の円弧状突起で構成される、請求項2に記載の転がり軸受。
- 前記環状突起は、前記底壁の径方向に複数配置されている、請求項2または3に記載の転がり軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005325212A JP4738984B2 (ja) | 2005-11-09 | 2005-11-09 | 転がり軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005325212A JP4738984B2 (ja) | 2005-11-09 | 2005-11-09 | 転がり軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007132417A JP2007132417A (ja) | 2007-05-31 |
JP4738984B2 true JP4738984B2 (ja) | 2011-08-03 |
Family
ID=38154246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005325212A Expired - Fee Related JP4738984B2 (ja) | 2005-11-09 | 2005-11-09 | 転がり軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4738984B2 (ja) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003278772A (ja) * | 2002-01-18 | 2003-10-02 | Nsk Ltd | 玉軸受 |
JP2004346972A (ja) * | 2003-05-20 | 2004-12-09 | Ntn Corp | 密封軸受 |
-
2005
- 2005-11-09 JP JP2005325212A patent/JP4738984B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2007132417A (ja) | 2007-05-31 |
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