JP4731508B2 - 複列円錐ころ軸受 - Google Patents
複列円錐ころ軸受 Download PDFInfo
- Publication number
- JP4731508B2 JP4731508B2 JP2007042183A JP2007042183A JP4731508B2 JP 4731508 B2 JP4731508 B2 JP 4731508B2 JP 2007042183 A JP2007042183 A JP 2007042183A JP 2007042183 A JP2007042183 A JP 2007042183A JP 4731508 B2 JP4731508 B2 JP 4731508B2
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- JP
- Japan
- Prior art keywords
- tapered roller
- seal
- inner ring
- roller bearing
- double
- 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.)
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- 238000005096 rolling process Methods 0.000 claims description 35
- 239000004519 grease Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 7
- 230000001050 lubricating effect Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 3
- 239000010960 cold rolled steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910000677 High-carbon steel Inorganic materials 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 102220097517 rs876659265 Human genes 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
- F16C33/72—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
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
- F16C33/7879—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring
-
- 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
- F16C19/38—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 two or more rows of rollers
- F16C19/383—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 two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
- F16C19/385—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 two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
- F16C19/386—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 two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
-
- 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
- F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
-
- 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
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7813—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for tapered roller bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Description
図1は、本発明に係る複列円錐ころ軸受の第1の実施形態を示す縦断面図、図2は、図1のシール部を示す要部拡大図である。
0〜0.80wt%を含む中高炭素鋼からなり、高炭素クロム軸受鋼は820〜860℃
で焼き入れされた後、160〜200℃で焼き戻しされ、58〜64HRCの範囲に芯部
まで硬化処理されている。中高炭素鋼の場合は、転走面は高周波焼入れによって、表面硬
さが58〜64HRCの範囲に硬化処理されている。
2、14・・・・・・・・外方部材
2a、14a・・・・・・外側転走面
3・・・・・・・・・・・内輪
3a・・・・・・・・・・内側転走面
3b・・・・・・・・・・大鍔
4・・・・・・・・・・・円錐ころ
4a・・・・・・・・・・大端面
5・・・・・・・・・・・保持器
6、15・・・・・・・・シール
7、16・・・・・・・・シール板
8・・・・・・・・・・・スリンガ
8a、9a、17a・・・円筒部
8b、9b、17b・・・立板部
9、17・・・・・・・・芯金
9c、17c・・・・・・内径部
9d・・・・・・・・・・係止部
10、18・・・・・・・シール部材
10a、18a・・・・・サイドリップ
10b、18b・・・・・ラジアルリップ
11・・・・・・・・・・ラビリンスシール
13・・・・・・・・・・車輪取付フランジ
18c・・・・・・・・・グリースリップ
19・・・・・・・・・・ガータスプリング
50・・・・・・・・・・複列円錐ころ軸受
51・・・・・・・・・・外輪
51a・・・・・・・・・外側転走面
52・・・・・・・・・・内輪
52a・・・・・・・・・内側転走面
53・・・・・・・・・・保持器
54・・・・・・・・・・円錐ころ
55・・・・・・・・・・シール
56・・・・・・・・・・保持凹部
57・・・・・・・・・・分離防止材
58・・・・・・・・・・第1隙間
59・・・・・・・・・・折曲部
60・・・・・・・・・・第2隙間
61・・・・・・・・・・軸心
62・・・・・・・・・・車軸
A・・・・・・・・・・・保持器の端面とシールの端面間の幅
C・・・・・・・・・・・保持凹部の壁面間の幅
D・・・・・・・・・・・折曲部間の幅
d1、d2・・・・・・・分離防止部材の折曲部と保持凹部の壁面間の幅
e1・・・・・・・・・・円錐ころの大端面と芯金の係止部との距離
e2・・・・・・・・・・芯金の係止部と内輪の外径との径方向すきま
e3・・・・・・・・・・グリースリップと内輪の外径との径方向すきま
Claims (5)
- 内周にテーパ状の複列の外側転走面が一体に形成された外方部材と、
外周に前記複列の外側転走面に対向するテーパ状の内側転走面が形成された一対の内輪と、
前記両転走面間に保持器を介して転動自在に収容された複数の円錐ころと、
前記外方部材と内輪との間に形成される環状空間の開口部に装着されたシールとを備え、
前記内輪の内側転走面の大径側に前記円錐ころを案内する大鍔が形成され、前記内輪の正面側端面が突き合された状態でセットされた背面合せタイプの複列円錐ころ軸受において、
前記シールが、互いに対向配置された環状のシール板とスリンガとからなり、
このスリンガが、前記内輪の外径に嵌合された円筒部、およびこの円筒部から径方向外方に延びる立板部を有し、
前記シール板が、前記外方部材の端部内周に嵌合される円筒部と、この円筒部から径方向内方に延びる立板部と、この立板部から軸受内方側に延びる円筒状の内径部とを有する芯金と、
この芯金に一体に接合され、前記スリンガの立板部に摺接されるサイドリップ、および前記スリンガの円筒部に摺接されるラジアルリップを有するシール部材とからなると共に、
前記円錐ころの大端面と前記芯金の内径部との距離が、前記保持器と芯金との距離よりも小さく設定されていることを特徴とする複列円錐ころ軸受。 - 前記円錐ころの大端面と前記芯金の内径部との距離が、前記ラジアルリップが前記スリンガの円筒部から脱落しない距離に設定されている請求項1に記載の複列円錐ころ軸受。
- 前記芯金の内径部の端部に前記内輪側に突出する係止部が形成され、当該内輪の外径との間に所定の径方向すきまからなるラビリンスシールが構成されている請求項1または2に記載の複列円錐ころ軸受。
- 前記シール部材に軸受内方側に傾斜して延びるグリースリップが形成され、前記内輪の外径との間に所定の径方向すきまからなるラビリンスシールが構成されている請求項1または2に記載の複列円錐ころ軸受。
- 前記ラジアルリップにガータスプリングが装着されている請求項1乃至4いずれかに記載の複列円錐ころ軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007042183A JP4731508B2 (ja) | 2007-02-22 | 2007-02-22 | 複列円錐ころ軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007042183A JP4731508B2 (ja) | 2007-02-22 | 2007-02-22 | 複列円錐ころ軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008202747A JP2008202747A (ja) | 2008-09-04 |
JP4731508B2 true JP4731508B2 (ja) | 2011-07-27 |
Family
ID=39780465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007042183A Active JP4731508B2 (ja) | 2007-02-22 | 2007-02-22 | 複列円錐ころ軸受 |
Country Status (1)
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JP (1) | JP4731508B2 (ja) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5682324A (en) * | 1979-12-07 | 1981-07-06 | Matsushita Electric Ind Co Ltd | Heat sensing part of temperature sensor for cooking stove |
JPS61106625A (ja) * | 1984-10-31 | 1986-05-24 | Dainippon Ink & Chem Inc | ポリ(アミド・エステル)グリコ−ルの製造方法 |
JPS61106626A (ja) * | 1984-10-31 | 1986-05-24 | Toray Ind Inc | ポリアミドイミド樹脂を主体とする成形物およびその成形物の熱加工法 |
JPH0439329A (ja) * | 1990-06-05 | 1992-02-10 | Showa Shell Sekiyu Kk | 芳香族コポリアミドとその製法 |
JP2004169761A (ja) * | 2002-11-18 | 2004-06-17 | Nsk Ltd | 組み合わせシールリング付複列円すいころ軸受 |
JP2005233341A (ja) * | 2004-02-20 | 2005-09-02 | Koyo Seiko Co Ltd | 複列円すいころ軸受装置 |
JP4498052B2 (ja) * | 2004-07-29 | 2010-07-07 | Ntn株式会社 | 回転速度検出装置付き車輪用軸受装置 |
JP2006145015A (ja) * | 2004-11-25 | 2006-06-08 | Nok Corp | 密封装置 |
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2007
- 2007-02-22 JP JP2007042183A patent/JP4731508B2/ja active Active
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JP2008202747A (ja) | 2008-09-04 |
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