JP2021014871A - クロスローラ軸受 - Google Patents
クロスローラ軸受 Download PDFInfo
- Publication number
- JP2021014871A JP2021014871A JP2019129093A JP2019129093A JP2021014871A JP 2021014871 A JP2021014871 A JP 2021014871A JP 2019129093 A JP2019129093 A JP 2019129093A JP 2019129093 A JP2019129093 A JP 2019129093A JP 2021014871 A JP2021014871 A JP 2021014871A
- Authority
- JP
- Japan
- Prior art keywords
- raceway surface
- groove
- outer ring
- ring raceway
- roller bearing
- 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
- 238000005096 rolling process Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel 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
- 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
- F16C19/361—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 cylindrical rollers
- F16C19/362—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 cylindrical rollers the rollers being crossed within the single row
-
- 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
- F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
2 外輪
3 内輪
4 ローラ
5 外輪軌道面
6 内輪軌道面
7、8 ストレート部
9、10 クラウニング
9a、10a 第一クラウニング
9b、10b 第二クラウニング
Claims (4)
- V溝状の外輪軌道面(5)が内径側に形成された外輪(2)と、
前記外輪軌道面(5)と対向するV溝状の内輪軌道面(6)が外径側に形成された内輪(3)と、
前記外輪軌道面(5)と、前記内輪軌道面(6)との間に、傾斜角度が交互に変わるように、周方向の全周に亘って配置された複数のローラ(4)と、
を有し、
前記外輪軌道面(5)又は前記内輪軌道面(6)の少なくとも一方に、前記各軌道面(5、6)の溝肩から溝底に向かう径方向の中間の位置よりも深い溝底側と、前記中間の位置よりも浅い溝肩側とでドロップ量を異ならせるようにクラウニング(9、10)が形成されているクロスローラ軸受。 - 前記溝底側と前記溝肩側の一方側にのみ前記クラウニング(9、10)が形成されており、他方側にはストレート部(7、8)が連設されている請求項1に記載のクロスローラ軸受。
- 前記各軌道面(5、6)の前記中間の位置に前記クラウニング(9、10)が形成されていないストレート部(7、8)を有し、前記ストレート部(7、8)の前記溝底側及び前記溝肩側の両方に前記クラウニング(9、10)が連設されている請求項1に記載のクロスローラ軸受。
- 前記外輪軌道面(5)及び前記内輪軌道面(6)の両方に前記クラウニング(9、10)が形成されている請求項1から3のいずれか1項に記載のクロスローラ軸受。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019129093A JP7431519B2 (ja) | 2019-07-11 | 2019-07-11 | クロスローラ軸受 |
TW109121248A TW202106991A (zh) | 2019-07-11 | 2020-06-23 | 交叉滾子軸承 |
PCT/JP2020/026207 WO2021006209A1 (ja) | 2019-07-11 | 2020-07-03 | クロスローラ軸受 |
CN202080050235.5A CN114341511A (zh) | 2019-07-11 | 2020-07-03 | 交叉滚子轴承 |
DE112020003307.4T DE112020003307T5 (de) | 2019-07-11 | 2020-07-03 | Kreuzrollenlager |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019129093A JP7431519B2 (ja) | 2019-07-11 | 2019-07-11 | クロスローラ軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021014871A true JP2021014871A (ja) | 2021-02-12 |
JP7431519B2 JP7431519B2 (ja) | 2024-02-15 |
Family
ID=74114167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019129093A Active JP7431519B2 (ja) | 2019-07-11 | 2019-07-11 | クロスローラ軸受 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP7431519B2 (ja) |
CN (1) | CN114341511A (ja) |
DE (1) | DE112020003307T5 (ja) |
TW (1) | TW202106991A (ja) |
WO (1) | WO2021006209A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022149523A1 (ja) * | 2021-01-06 | 2022-07-14 | Ntn株式会社 | クロスローラ軸受 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2607641A (en) * | 1949-03-02 | 1952-08-19 | Messinger William | X-type bearing |
JPS59125615U (ja) * | 1983-02-14 | 1984-08-24 | 光洋精工株式会社 | クロスロ−ラ軸受 |
JPH08232960A (ja) * | 1995-02-28 | 1996-09-10 | Ntn Corp | 鉄道車輌用複列ころ軸受 |
JP2007170418A (ja) | 2005-12-19 | 2007-07-05 | Ntn Corp | 円すいころ軸受 |
JP2008014473A (ja) | 2006-07-10 | 2008-01-24 | Ntn Corp | 車輪用軸受装置 |
JP2010127319A (ja) | 2008-11-25 | 2010-06-10 | Antex Corp | 旋回座軸受 |
JP2010151152A (ja) * | 2008-12-24 | 2010-07-08 | Antex Corp | 旋回座軸受 |
JP2014059025A (ja) * | 2012-09-19 | 2014-04-03 | Ntn Corp | 風力・潮力発電用軸受 |
-
2019
- 2019-07-11 JP JP2019129093A patent/JP7431519B2/ja active Active
-
2020
- 2020-06-23 TW TW109121248A patent/TW202106991A/zh unknown
- 2020-07-03 DE DE112020003307.4T patent/DE112020003307T5/de active Pending
- 2020-07-03 CN CN202080050235.5A patent/CN114341511A/zh active Pending
- 2020-07-03 WO PCT/JP2020/026207 patent/WO2021006209A1/ja active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022149523A1 (ja) * | 2021-01-06 | 2022-07-14 | Ntn株式会社 | クロスローラ軸受 |
Also Published As
Publication number | Publication date |
---|---|
JP7431519B2 (ja) | 2024-02-15 |
DE112020003307T5 (de) | 2022-04-21 |
TW202106991A (zh) | 2021-02-16 |
WO2021006209A1 (ja) | 2021-01-14 |
CN114341511A (zh) | 2022-04-12 |
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