JP4601451B2 - 合成樹脂製保持器および玉軸受 - Google Patents
合成樹脂製保持器および玉軸受 Download PDFInfo
- Publication number
- JP4601451B2 JP4601451B2 JP2005042343A JP2005042343A JP4601451B2 JP 4601451 B2 JP4601451 B2 JP 4601451B2 JP 2005042343 A JP2005042343 A JP 2005042343A JP 2005042343 A JP2005042343 A JP 2005042343A JP 4601451 B2 JP4601451 B2 JP 4601451B2
- Authority
- JP
- Japan
- Prior art keywords
- cage
- ball
- ball bearing
- synthetic resin
- annular
- 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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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
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6607—Retaining the grease in or near the bearing
- F16C33/6614—Retaining the grease in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
1)前記凹部の軸方向の幅を、ボール径に対して20%以下とする。
2)前記凹部の周方向の深さを、ボール径に対して5〜10%とする。
2 外輪
3 ボール
4 保持器
5a、5b 環状体
6 ポケット
7 係合爪
8 係合孔
12 凹部
Claims (4)
- 軸方向に向き合う2枚の環状体の対向面にボールを収容する半球状のポケットを周方向に等間隔に形成し、軸方向に突出する係合爪を前記各環状体の隣り合うポケット間に設け、その係合爪を係合させる係合孔を前記各環状体の隣り合うポケット間に形成した合成樹脂製保持器において、
グリース溜りをなす凹部を前記各環状体の前記ポケットの両端に形成し、前記ポケットの両端での各環状体の合わせ目が前記凹部内にあり、前記係合爪の径方向の幅を環状体の径方向の幅に対して55〜65%に設定したことを特徴とする合成樹脂製保持器。 - 内輪と外輪との間のボールを保持器で保持する玉軸受において、前記保持器として請求項1に記載の合成樹脂製保持器を用いた玉軸受。
- 前記凹部の軸方向の幅を、ボール径に対して20%以下とした請求項2に記載の玉軸受。
- 前記凹部の周方向の深さを、ボール径に対して5〜10%とした請求項2に記載の玉軸受。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005042343A JP4601451B2 (ja) | 2005-02-18 | 2005-02-18 | 合成樹脂製保持器および玉軸受 |
DE102005046161A DE102005046161A1 (de) | 2004-09-27 | 2005-09-27 | Kunstharzkäfig, Rillenkugellager und Kugellager |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005042343A JP4601451B2 (ja) | 2005-02-18 | 2005-02-18 | 合成樹脂製保持器および玉軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006226447A JP2006226447A (ja) | 2006-08-31 |
JP4601451B2 true JP4601451B2 (ja) | 2010-12-22 |
Family
ID=36987984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005042343A Active JP4601451B2 (ja) | 2004-09-27 | 2005-02-18 | 合成樹脂製保持器および玉軸受 |
Country Status (1)
Country | Link |
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JP (1) | JP4601451B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5602345B2 (ja) * | 2008-06-13 | 2014-10-08 | Ntn株式会社 | 保持器および深溝玉軸受 |
BR122019024860B1 (pt) | 2008-06-13 | 2021-05-11 | Ntn Corporation | retentor, mancal de esfera de sulco profundo e mancal vedado |
WO2012157411A1 (ja) | 2011-05-13 | 2012-11-22 | Ntn株式会社 | 玉軸受用保持器および玉軸受 |
JP2017057876A (ja) * | 2015-09-14 | 2017-03-23 | 株式会社ジェイテクト | 転がり軸受 |
WO2020059829A1 (ja) * | 2018-09-21 | 2020-03-26 | Ntn株式会社 | 玉軸受用保持器および転がり軸受 |
JP2020159548A (ja) * | 2018-09-21 | 2020-10-01 | Ntn株式会社 | 玉軸受用保持器および転がり軸受 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003343567A (ja) * | 2002-05-27 | 2003-12-03 | Ntn Corp | 深溝玉軸受 |
JP2003343571A (ja) * | 2002-05-27 | 2003-12-03 | Ntn Corp | 合成樹脂製保持器 |
JP2004076778A (ja) * | 2002-08-12 | 2004-03-11 | Ntn Corp | 合成樹脂製保持器および深溝玉軸受 |
-
2005
- 2005-02-18 JP JP2005042343A patent/JP4601451B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003343567A (ja) * | 2002-05-27 | 2003-12-03 | Ntn Corp | 深溝玉軸受 |
JP2003343571A (ja) * | 2002-05-27 | 2003-12-03 | Ntn Corp | 合成樹脂製保持器 |
JP2004076778A (ja) * | 2002-08-12 | 2004-03-11 | Ntn Corp | 合成樹脂製保持器および深溝玉軸受 |
Also Published As
Publication number | Publication date |
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JP2006226447A (ja) | 2006-08-31 |
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