JP2014109369A - 玉軸受 - Google Patents
玉軸受 Download PDFInfo
- Publication number
- JP2014109369A JP2014109369A JP2012265531A JP2012265531A JP2014109369A JP 2014109369 A JP2014109369 A JP 2014109369A JP 2012265531 A JP2012265531 A JP 2012265531A JP 2012265531 A JP2012265531 A JP 2012265531A JP 2014109369 A JP2014109369 A JP 2014109369A
- Authority
- JP
- Japan
- Prior art keywords
- ring
- lubricant supply
- supply member
- ball bearing
- inner 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.)
- Granted
Links
- 239000000314 lubricant Substances 0.000 claims abstract description 84
- 230000002093 peripheral effect Effects 0.000 claims abstract description 45
- 239000004519 grease Substances 0.000 description 10
- 239000010687 lubricating oil Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000005078 molybdenum compound Substances 0.000 description 1
- 150000002752 molybdenum compounds Chemical class 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Classifications
-
- 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
- F16C33/6696—Special parts or details in view of lubrication with solids as lubricant, e.g. dry coatings, powder
-
- 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
-
- 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
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
-
- 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
- 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
- F16C33/785—Bearing shields made of sheet metal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Abstract
【解決手段】玉軸受が、外輪1と、その外輪1の径方向に略延在する段部51,52と外周面部55とを有する輪状部材取付部を有する内輪2と、外輪1の内周軌道溝11と内輪2の外周軌道溝21との間に配置された玉3と、段部51,52に当接している状態で上記輪状部材取付部に固定された輪状の潤滑剤供給部材5,6とを備えるようにする。
【選択図】図1
Description
内周軌道溝を有する外輪と、
外周軌道溝を有すると共に、上記外輪の径方向に略延在する段部と、外周面部とを有する輪状部材取付部を有する内輪と、
上記外輪の内周軌道溝と、上記内輪の外周軌道溝との間に配置された玉と、
上記段部に当接している状態で上記輪状部材取付部に固定された輪状の潤滑剤供給部材と
を備えることを特徴としている。
上記輪状部材取付部は、上記内輪の外周面に位置する環状溝であり、
上記潤滑剤供給部材は、上記環状溝に嵌入されて固定されている。
上記外輪に固定される一方、上記内輪の外周面に間隔をおいて位置し、かつ、上記潤滑剤供給部材に上記内輪の径方向に重なるシールド板を備え、
かつ、上記内輪の外周面において上記環状溝の軸方向の上記外周軌道溝側とは反対側に位置する部分の最大の外径をDi[mm]とし、上記潤滑剤供給部材の内径をdL[mm]とし、上記シールド板の内径をdZ[mm]とし、上記潤滑剤供給部材の径方向の弾性限界変形量をδL[mm]とし、上記潤滑剤供給部材の外径をDL[mm]とするとき、
Di<dL+δLであると共に、DL<dZである。
上記内輪の線膨張係数をk1[K−1]とし、上記潤滑剤供給部材の線膨張係数をk2[K−1]とし、使用上限温度から室温を引いた温度をΔT[K]とするとき、
Di+k1.ΔT.Di>dL+k2.ΔT.dLである。
2,102 内輪
3 玉
4 第1潤滑剤供給部材
5 第2潤滑剤供給部材
6 保持器
7 第1シールド板
8 第2シールド板
11 内周軌道溝
21,121 外周軌道溝
22 第1環状溝
23 第2環状溝
55,155 輪状部材取付部の外周面部
58 玉配置室
105 潤滑剤供給部材
151 輪状部材取付部の段部
Claims (4)
- 内周軌道溝を有する外輪と、
外周軌道溝を有すると共に、上記外輪の径方向に略延在する段部と、外周面部とを有する輪状部材取付部を有する内輪と、
上記外輪の内周軌道溝と、上記内輪の外周軌道溝との間に配置された玉と、
上記段部に当接している状態で上記輪状部材取付部に固定された輪状の潤滑剤供給部材と
を備えることを特徴とする玉軸受。 - 請求項1に記載の玉軸受において、
上記輪状部材取付部は、上記内輪の外周面に位置する環状溝であり、
上記潤滑剤供給部材は、上記環状溝に嵌入されて固定されていることを特徴とする玉軸受。 - 請求項2に記載の玉軸受において、
上記外輪に固定される一方、上記内輪の外周面に間隔をおいて位置し、かつ、上記潤滑剤供給部材に上記内輪の径方向に重なるシールド板を備え、
かつ、上記内輪の外周面において上記環状溝の軸方向の上記外周軌道溝側とは反対側に位置する部分の最大の外径をDi[mm]とし、上記潤滑剤供給部材の内径をdL[mm]とし、上記シールド板の内径をdZ[mm]とし、上記潤滑剤供給部材の径方向の弾性限界変形量をδL[mm]とし、上記潤滑剤供給部材の外径をDL[mm]とするとき、
Di<dL+δLであると共に、DL<dZであることを特徴とする玉軸受。 - 請求項2または3に記載の玉軸受において、
上記内輪の線膨張係数をk1[K−1]とし、上記潤滑剤供給部材の線膨張係数をk2[K−1]とし、使用上限温度から室温を引いた温度をΔT[K]とするとき、
Di+k1.ΔT.Di>dL+k2.ΔT.dLであることを特徴とする玉軸受。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012265531A JP5835199B2 (ja) | 2012-12-04 | 2012-12-04 | 玉軸受 |
US14/087,742 US8870464B2 (en) | 2012-12-04 | 2013-11-22 | Ball bearing |
EP13194199.9A EP2740958B1 (en) | 2012-12-04 | 2013-11-25 | Ball bearing |
CN201310615940.7A CN103851072B (zh) | 2012-12-04 | 2013-11-27 | 滚珠轴承 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012265531A JP5835199B2 (ja) | 2012-12-04 | 2012-12-04 | 玉軸受 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014109369A true JP2014109369A (ja) | 2014-06-12 |
JP2014109369A5 JP2014109369A5 (ja) | 2015-01-15 |
JP5835199B2 JP5835199B2 (ja) | 2015-12-24 |
Family
ID=49709476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012265531A Expired - Fee Related JP5835199B2 (ja) | 2012-12-04 | 2012-12-04 | 玉軸受 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8870464B2 (ja) |
EP (1) | EP2740958B1 (ja) |
JP (1) | JP5835199B2 (ja) |
CN (1) | CN103851072B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023238242A1 (ja) * | 2022-06-07 | 2023-12-14 | 株式会社ジェイテクト | 玉軸受 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6339433B2 (ja) * | 2014-07-22 | 2018-06-06 | Ntn株式会社 | モータ内蔵スピンドル用玉軸受 |
US10415642B2 (en) * | 2015-06-09 | 2019-09-17 | Aktiebolaget Skf | Coupling system of a sealing assembly with a rotating annular element |
CN108953387B (zh) * | 2017-05-26 | 2021-10-15 | 舍弗勒技术股份两合公司 | 用于滚动轴承的密封件和滚动轴承 |
CN111486177A (zh) * | 2019-01-28 | 2020-08-04 | 舍弗勒技术股份两合公司 | 防尘盖和轴承 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0173521U (ja) * | 1987-11-05 | 1989-05-18 | ||
JP2004084813A (ja) * | 2002-08-27 | 2004-03-18 | Nsk Ltd | 転がり軸受 |
DE102005018616A1 (de) * | 2005-04-21 | 2006-10-26 | Schaeffler Kg | Schrägkugellager mit Schmiermittelspeicher |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2785023A (en) * | 1953-03-04 | 1957-03-12 | Daimler Benz Ag | Anti-friction bearings |
US3144278A (en) * | 1960-12-09 | 1964-08-11 | Rothe Erde Eisenwerk | Bearing assembly |
US3332728A (en) * | 1964-10-19 | 1967-07-25 | Raymond Corp | Hardened racewire ball bearing |
US3675978A (en) * | 1970-11-12 | 1972-07-11 | Timken Co | Roller bearings |
US3782795A (en) * | 1972-04-06 | 1974-01-01 | Timken Co | Tapered roller bearing |
US4601592A (en) * | 1982-03-17 | 1986-07-22 | The Timken Company | Tapered roller bearing capable of sustained operation without lubricant replenishment |
US4571097A (en) * | 1985-01-24 | 1986-02-18 | The Timken Company | Tapered roller bearing with pressurized rib ring |
US5066145A (en) * | 1989-06-29 | 1991-11-19 | Tribology Systems, Inc. | Solid-lubricated bearing assembly |
JPH11141557A (ja) * | 1997-11-05 | 1999-05-25 | Nippon Seiko Kk | 転がり軸受 |
JP4051908B2 (ja) | 2001-03-29 | 2008-02-27 | 日本精工株式会社 | 転がり軸受 |
DE502006008128D1 (de) * | 2006-03-22 | 2010-12-02 | Paul Mueller Gmbh & Co Kg | Lager mit porösem Element zur Aufnahme von Schmiermittel |
JP2008275037A (ja) * | 2007-04-27 | 2008-11-13 | Nsk Ltd | 転がり軸受及びスイングアーム |
JP2009024796A (ja) | 2007-07-20 | 2009-02-05 | Ntn Corp | 転がり軸受 |
JP2010019312A (ja) | 2008-07-09 | 2010-01-28 | Jtekt Corp | 転がり軸受 |
JP2010156392A (ja) * | 2008-12-26 | 2010-07-15 | Nsk Ltd | 転がり軸受 |
JP2012047269A (ja) * | 2010-08-27 | 2012-03-08 | Ntn Corp | 玉軸受 |
US9528592B2 (en) * | 2012-06-26 | 2016-12-27 | Kinetech Power Company Llc | Solid-lubricated bearing assembly |
CN202732686U (zh) * | 2012-08-08 | 2013-02-13 | 福建省福安市新强轴承有限公司 | 一种深沟球轴承 |
-
2012
- 2012-12-04 JP JP2012265531A patent/JP5835199B2/ja not_active Expired - Fee Related
-
2013
- 2013-11-22 US US14/087,742 patent/US8870464B2/en not_active Expired - Fee Related
- 2013-11-25 EP EP13194199.9A patent/EP2740958B1/en not_active Not-in-force
- 2013-11-27 CN CN201310615940.7A patent/CN103851072B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0173521U (ja) * | 1987-11-05 | 1989-05-18 | ||
JP2004084813A (ja) * | 2002-08-27 | 2004-03-18 | Nsk Ltd | 転がり軸受 |
DE102005018616A1 (de) * | 2005-04-21 | 2006-10-26 | Schaeffler Kg | Schrägkugellager mit Schmiermittelspeicher |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023238242A1 (ja) * | 2022-06-07 | 2023-12-14 | 株式会社ジェイテクト | 玉軸受 |
Also Published As
Publication number | Publication date |
---|---|
JP5835199B2 (ja) | 2015-12-24 |
CN103851072B (zh) | 2017-03-29 |
EP2740958A1 (en) | 2014-06-11 |
US8870464B2 (en) | 2014-10-28 |
EP2740958B1 (en) | 2017-06-21 |
CN103851072A (zh) | 2014-06-11 |
US20140153853A1 (en) | 2014-06-05 |
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