JP2018204681A - 複列4点接触玉軸受 - Google Patents
複列4点接触玉軸受 Download PDFInfo
- Publication number
- JP2018204681A JP2018204681A JP2017110060A JP2017110060A JP2018204681A JP 2018204681 A JP2018204681 A JP 2018204681A JP 2017110060 A JP2017110060 A JP 2017110060A JP 2017110060 A JP2017110060 A JP 2017110060A JP 2018204681 A JP2018204681 A JP 2018204681A
- Authority
- JP
- Japan
- Prior art keywords
- outer ring
- balls
- ball bearing
- point
- point contact
- 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.)
- Pending
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
- 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
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
- F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
-
- 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
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
-
- 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
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
- F16C19/166—Four-point-contact ball bearings
-
- 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
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
-
- 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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/30—Angles, e.g. inclinations
- F16C2240/34—Contact angles
-
- 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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/70—Diameters; Radii
- F16C2240/80—Pitch circle diameters [PCD]
-
- 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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Abstract
【解決手段】複列4点接触玉軸受100は、外輪102と、内輪104と、外輪102と内輪104との間に設けられる2列の4点接触の玉106、108とを備える。2列の玉106、108の内側における接触角αは、玉106、108の中心点と接触点とを結んで延びる作用線L1、L2が外輪102内にて交差しない角度であることを特徴とする。
【選択図】図1
Description
Claims (2)
- 外輪と、内輪と、該外輪と該内輪との間に設けられる2列の4点接触の玉とを備える複列4点接触玉軸受において、
前記2列の玉の内側における接触角は、該玉の中心点と接触点とを結んで延びる作用線が前記外輪内または前記内輪内にて交差しない角度であることを特徴とする複列4点接触玉軸受。 - 前記2列の玉のアキシアル方向の中心間距離をPとし、
前記外輪の外径をDとし、
前記2列の玉のピッチ円径をPCDとし、
前記外輪側における前記2列の玉の内側の接触角を互いにαとしたとき、
P>(D−PCD)/2×tanα×2
の関係を満たすことを特徴とする請求項1に記載の複列4点接触玉軸受。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017110060A JP2018204681A (ja) | 2017-06-02 | 2017-06-02 | 複列4点接触玉軸受 |
KR1020170130376A KR20180132494A (ko) | 2017-06-02 | 2017-10-11 | 복렬 4점 접촉 볼베어링 |
EP18808844.7A EP3633216A4 (en) | 2017-06-02 | 2018-02-01 | DOUBLE-ROW, FOUR-POINT CONTACT BALL BEARING |
PCT/JP2018/003401 WO2018220899A1 (ja) | 2017-06-02 | 2018-02-01 | 複列4点接触玉軸受 |
CN201890000218.9U CN209212783U (zh) | 2017-06-02 | 2018-02-01 | 多列四点接触球轴承 |
US16/618,392 US11009066B2 (en) | 2017-06-02 | 2018-02-01 | Double-row four-point contact ball bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017110060A JP2018204681A (ja) | 2017-06-02 | 2017-06-02 | 複列4点接触玉軸受 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2018204681A true JP2018204681A (ja) | 2018-12-27 |
Family
ID=64456421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017110060A Pending JP2018204681A (ja) | 2017-06-02 | 2017-06-02 | 複列4点接触玉軸受 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11009066B2 (ja) |
EP (1) | EP3633216A4 (ja) |
JP (1) | JP2018204681A (ja) |
KR (1) | KR20180132494A (ja) |
CN (1) | CN209212783U (ja) |
WO (1) | WO2018220899A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114235403B (zh) * | 2021-12-17 | 2024-05-14 | 杭州电子科技大学 | 一种测量四点角接触球轴承接触角的装置及方法 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005172146A (ja) * | 2003-12-12 | 2005-06-30 | Nachi Fujikoshi Corp | 複列4点接触玉軸受 |
JP2006117504A (ja) * | 2004-03-10 | 2006-05-11 | Ohara Inc | 光学ガラス |
JP2006177504A (ja) * | 2004-12-24 | 2006-07-06 | Nsk Ltd | ダイレクトドライブモータ |
JP2008115955A (ja) * | 2006-11-06 | 2008-05-22 | Ntn Corp | プーリ支持軸受および電磁クラッチのプーリ支持構造 |
JP2009204122A (ja) * | 2008-02-28 | 2009-09-10 | Nsk Ltd | 転がり軸受 |
JP2010281352A (ja) * | 2008-06-06 | 2010-12-16 | Ntn Corp | 旋回軸受およびその軌道溝加工方法 |
WO2014180669A1 (de) * | 2013-05-06 | 2014-11-13 | Aktiebolaget Skf | Lageranordnung, lagerung einer kegelritzelwelle |
US20150043858A1 (en) * | 2013-08-07 | 2015-02-12 | Aktiebolaget Skf | Bearing system and method for operating a bearing system |
JP2015045415A (ja) * | 2014-11-17 | 2015-03-12 | 日本精工株式会社 | 軸受装置、及び工作機械の回転テーブル並びにスピンドル装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1430319A (en) | 1921-07-11 | 1922-09-26 | John W Parker | Self-aligning high-speed ball-race bearing |
JP2003049848A (ja) * | 2001-08-06 | 2003-02-21 | Nsk Ltd | プーリ支持用玉軸受 |
US6827496B2 (en) * | 2001-08-28 | 2004-12-07 | Koyo Seiko Co., Ltd. | Four-point contact ball bearing |
WO2004001242A1 (ja) * | 2002-06-25 | 2003-12-31 | Nsk Ltd. | プーリ支持用複列玉軸受 |
WO2007007789A1 (ja) * | 2005-07-13 | 2007-01-18 | Ntn Corporation | アンギュラコンタクト玉軸受及びロボットアームの関節装置 |
JP5506420B2 (ja) | 2010-01-20 | 2014-05-28 | Ntn株式会社 | 4点接触玉軸受のトルク計算方法・計算装置・および計算プログラム |
DE102011076872A1 (de) * | 2011-06-01 | 2012-12-06 | Aloys Wobben | Großwälzlager |
US10702901B2 (en) * | 2017-01-11 | 2020-07-07 | Aktiebolaget Skf | Guide roller |
-
2017
- 2017-06-02 JP JP2017110060A patent/JP2018204681A/ja active Pending
- 2017-10-11 KR KR1020170130376A patent/KR20180132494A/ko not_active Application Discontinuation
-
2018
- 2018-02-01 US US16/618,392 patent/US11009066B2/en active Active
- 2018-02-01 WO PCT/JP2018/003401 patent/WO2018220899A1/ja active Application Filing
- 2018-02-01 CN CN201890000218.9U patent/CN209212783U/zh active Active
- 2018-02-01 EP EP18808844.7A patent/EP3633216A4/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005172146A (ja) * | 2003-12-12 | 2005-06-30 | Nachi Fujikoshi Corp | 複列4点接触玉軸受 |
JP2006117504A (ja) * | 2004-03-10 | 2006-05-11 | Ohara Inc | 光学ガラス |
JP2006177504A (ja) * | 2004-12-24 | 2006-07-06 | Nsk Ltd | ダイレクトドライブモータ |
JP2008115955A (ja) * | 2006-11-06 | 2008-05-22 | Ntn Corp | プーリ支持軸受および電磁クラッチのプーリ支持構造 |
JP2009204122A (ja) * | 2008-02-28 | 2009-09-10 | Nsk Ltd | 転がり軸受 |
JP2010281352A (ja) * | 2008-06-06 | 2010-12-16 | Ntn Corp | 旋回軸受およびその軌道溝加工方法 |
WO2014180669A1 (de) * | 2013-05-06 | 2014-11-13 | Aktiebolaget Skf | Lageranordnung, lagerung einer kegelritzelwelle |
US20150043858A1 (en) * | 2013-08-07 | 2015-02-12 | Aktiebolaget Skf | Bearing system and method for operating a bearing system |
JP2015045415A (ja) * | 2014-11-17 | 2015-03-12 | 日本精工株式会社 | 軸受装置、及び工作機械の回転テーブル並びにスピンドル装置 |
Also Published As
Publication number | Publication date |
---|---|
CN209212783U (zh) | 2019-08-06 |
EP3633216A4 (en) | 2020-07-29 |
EP3633216A1 (en) | 2020-04-08 |
WO2018220899A1 (ja) | 2018-12-06 |
KR20180132494A (ko) | 2018-12-12 |
US11009066B2 (en) | 2021-05-18 |
US20200182291A1 (en) | 2020-06-11 |
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