JP2018003942A - 円すいころ軸受 - Google Patents
円すいころ軸受 Download PDFInfo
- Publication number
- JP2018003942A JP2018003942A JP2016130394A JP2016130394A JP2018003942A JP 2018003942 A JP2018003942 A JP 2018003942A JP 2016130394 A JP2016130394 A JP 2016130394A JP 2016130394 A JP2016130394 A JP 2016130394A JP 2018003942 A JP2018003942 A JP 2018003942A
- Authority
- JP
- Japan
- Prior art keywords
- tapered roller
- cage
- annular portion
- roller bearing
- outer 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
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
- F16C33/34—Rollers; Needles
- F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces
- F16C33/366—Tapered rollers, i.e. rollers generally shaped as truncated cones
-
- 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
- F16C19/34—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 both radial and axial load
- F16C19/36—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 both radial and axial load with a single row of rollers
- F16C19/364—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 both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
-
- 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
- F16C33/46—Cages for rollers or needles
- F16C33/4605—Details of interaction of cage and race, e.g. retention or centring
-
- 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
- F16C33/46—Cages for rollers or needles
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
-
- 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
- F16C33/46—Cages for rollers or needles
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
- F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
- F16C33/4635—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages made from plastic, e.g. injection moulded window cages
-
- 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
- F16C33/6629—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
-
- 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
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6681—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
Abstract
Description
この場合、円すいころ軸受の組み立ての際に、円すいころが脱落するのを抜け止部によって阻止することができ、また、この抜け止部と、軸方向他方側の大環状部とが連続する構成となることで、保持器の軸方向他方側の形状が簡素化され、また、この部分を成型するための金型形状も簡素化される。
図1は円すいころ軸受の実施の一形態を示す断面図である。この円すいころ軸受10は、例えばホイールローダ等の建設機械のデフピニオンに用いられ、ハウジング81内において、ピニオンと共に回転する軸82を回転可能として支持する。ハウジング81内には、潤滑油(オイル)が溜められており、この潤滑油は円すいころ軸受10の潤滑に用いられる。なお、以下に説明する円すいころ軸受10の用途は、他であってもよい。
なお、図5に示す形態とは異なり、図示しないが、大環状部22の最小内径D1が、小環状部21の最大外径D2よりも小さくなっている(D1<D2)場合、軸方向に二分割される割金型の採用ができず、例えば、ポケット24を形成するために半径方向に移動する部分金型を更に要し、金型構成が複雑となる。
前記実施形態では、円すいころ軸受10は、建設機械のデフピニオン用とした場合について説明したが、その他の回転機械に用いられてもよい。
5:保持器 7:環状空間 8:微小隙間
9:微小隙間 10:円すいころ軸受 12:内軌道面
13:外軌道面 21:小環状部 22:大環状部
23:柱部 30:外周面
32:第二ガイド面(抜け止部の径方向外側面) 51:抜け止部
D1:最小内径 D2:最大外径
Claims (4)
- 軸方向一方側から他方側に向かって拡径する円すい状の内軌道面を外周側に有する内輪と、軸方向一方側から他方側に向かって拡径する円すい状の外軌道面を内周側に有する外輪と、前記内輪と前記外輪との間に形成されている環状空間に設けられ前記内軌道面及び前記外軌道面を転動する複数の円すいころと、複数の前記円すいころを保持している環状の保持器と、を備え、
前記保持器は、前記円すいころの軸方向一方側に位置している小環状部と、前記円すいころの軸方向他方側に位置している大環状部と、前記小環状部と前記大環状部とを連結している複数の柱部と、を有し、
前記内輪及び前記外輪それぞれと前記大環状部との間に微小隙間が形成されている、円すいころ軸受。 - 前記保持器は、熱可塑性の樹脂製であり、
前記大環状部の最小内径は、前記小環状部の最大外径よりも大きい、請求項1に記載の円すいころ軸受。 - 前記保持器は、前記外輪の内周面に接触可能であり当該接触により径方向の位置決めがされる、請求項1又は2に記載の円すいころ軸受。
- 前記柱部は、前記円すいころに対して径方向外側から接触することで当該円すいころの脱落を阻止する抜け止部を、軸方向他方側に有し、
前記抜け止部の径方向外側面と前記大環状部の外周面とは連続して形成されており、当該径方向外側面と当該外周面とを含む面が前記外輪の内周面に接触可能となって、当該接触により前記保持器の径方向の位置決めがされる、請求項1〜3のいずれか一項に記載の円すいころ軸受。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016130394A JP6816390B2 (ja) | 2016-06-30 | 2016-06-30 | 円すいころ軸受 |
US15/631,953 US10208795B2 (en) | 2016-06-30 | 2017-06-23 | Tapered roller bearing |
DE102017114197.9A DE102017114197A1 (de) | 2016-06-30 | 2017-06-27 | Kegelrollenlager |
CN201710513999.3A CN107559300B (zh) | 2016-06-30 | 2017-06-29 | 圆锥滚子轴承 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016130394A JP6816390B2 (ja) | 2016-06-30 | 2016-06-30 | 円すいころ軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018003942A true JP2018003942A (ja) | 2018-01-11 |
JP6816390B2 JP6816390B2 (ja) | 2021-01-20 |
Family
ID=60662099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016130394A Active JP6816390B2 (ja) | 2016-06-30 | 2016-06-30 | 円すいころ軸受 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10208795B2 (ja) |
JP (1) | JP6816390B2 (ja) |
CN (1) | CN107559300B (ja) |
DE (1) | DE102017114197A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022186345A1 (ja) * | 2021-03-04 | 2022-09-09 | Ntn株式会社 | 円すいころ軸受 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018105242B3 (de) * | 2018-03-07 | 2019-06-13 | Sumitomo (Shi) Cyclo Drive Germany Gmbh | Radial-schrägrollenlager |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3605812A1 (de) * | 1986-02-22 | 1987-08-27 | Kugelfischer G Schaefer & Co | Mit hilfe zweier axialschieber herstellbarer kaefig fuer kegelrollenlager |
JP2007333084A (ja) * | 2006-06-15 | 2007-12-27 | Nsk Ltd | 軸受用保持器 |
JP2008069808A (ja) * | 2006-09-12 | 2008-03-27 | Ntn Corp | 円すいころ軸受 |
DE102008020069A1 (de) * | 2008-04-22 | 2009-10-29 | Schaeffler Kg | Schrägrollenlager sowie Maschine mit dem Schrägrollenlager |
JP2016089853A (ja) * | 2014-10-29 | 2016-05-23 | 株式会社ジェイテクト | 円すいころ軸受 |
JP2017040329A (ja) * | 2015-08-21 | 2017-02-23 | Ntn株式会社 | 円すいころ軸受 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1840607A (en) * | 1930-08-13 | 1932-01-12 | Timken Roller Bearing Co | Roller bearing and cage |
EP0090557B2 (en) * | 1982-03-17 | 1993-01-27 | The Timken Company | Tapered roller bearing |
DD231100A1 (de) * | 1984-10-01 | 1985-12-18 | Waelzlager Normteile Veb | Kaefig fuer kegelrollenlager |
NL1010499C2 (nl) * | 1998-11-06 | 2000-05-09 | Skf Eng & Res Centre Bv | Vetgesmeerd kegellager. |
JP2008069875A (ja) * | 2006-09-14 | 2008-03-27 | Ntn Corp | 円錐ころ軸受 |
EP2503167B1 (en) * | 2009-11-17 | 2020-05-06 | NSK Ltd. | Conical rolling-element bearing and method for manufacturing a cage for a conical rolling-element bearing |
JP2014020393A (ja) * | 2012-07-12 | 2014-02-03 | Jtekt Corp | 分割保持器用の治具及び転がり軸受の組み立て方法 |
US20150323008A1 (en) * | 2012-12-25 | 2015-11-12 | Nsk Ltd. | Tapered roller bearing |
JP2014202341A (ja) | 2013-04-10 | 2014-10-27 | 日本精工株式会社 | 円すいころ軸受 |
JP6212923B2 (ja) * | 2013-04-23 | 2017-10-18 | 株式会社ジェイテクト | 円すいころ軸受 |
-
2016
- 2016-06-30 JP JP2016130394A patent/JP6816390B2/ja active Active
-
2017
- 2017-06-23 US US15/631,953 patent/US10208795B2/en active Active
- 2017-06-27 DE DE102017114197.9A patent/DE102017114197A1/de active Pending
- 2017-06-29 CN CN201710513999.3A patent/CN107559300B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3605812A1 (de) * | 1986-02-22 | 1987-08-27 | Kugelfischer G Schaefer & Co | Mit hilfe zweier axialschieber herstellbarer kaefig fuer kegelrollenlager |
JP2007333084A (ja) * | 2006-06-15 | 2007-12-27 | Nsk Ltd | 軸受用保持器 |
JP2008069808A (ja) * | 2006-09-12 | 2008-03-27 | Ntn Corp | 円すいころ軸受 |
DE102008020069A1 (de) * | 2008-04-22 | 2009-10-29 | Schaeffler Kg | Schrägrollenlager sowie Maschine mit dem Schrägrollenlager |
JP2016089853A (ja) * | 2014-10-29 | 2016-05-23 | 株式会社ジェイテクト | 円すいころ軸受 |
JP2017040329A (ja) * | 2015-08-21 | 2017-02-23 | Ntn株式会社 | 円すいころ軸受 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022186345A1 (ja) * | 2021-03-04 | 2022-09-09 | Ntn株式会社 | 円すいころ軸受 |
Also Published As
Publication number | Publication date |
---|---|
CN107559300A (zh) | 2018-01-09 |
US10208795B2 (en) | 2019-02-19 |
DE102017114197A1 (de) | 2018-01-04 |
JP6816390B2 (ja) | 2021-01-20 |
US20180003229A1 (en) | 2018-01-04 |
CN107559300B (zh) | 2020-07-31 |
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