JP4642712B2 - 樹脂冠型保持器及び玉軸受 - Google Patents
樹脂冠型保持器及び玉軸受 Download PDFInfo
- Publication number
- JP4642712B2 JP4642712B2 JP2006195930A JP2006195930A JP4642712B2 JP 4642712 B2 JP4642712 B2 JP 4642712B2 JP 2006195930 A JP2006195930 A JP 2006195930A JP 2006195930 A JP2006195930 A JP 2006195930A JP 4642712 B2 JP4642712 B2 JP 4642712B2
- Authority
- JP
- Japan
- Prior art keywords
- cage
- ball
- diameter
- thickness
- crown type
- 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.)
- Expired - Fee Related
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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
- F16C33/38—Ball cages
- F16C33/41—Ball cages comb-shaped
- F16C33/412—Massive or moulded comb cages, e.g. snap ball cages
- F16C33/414—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages
- F16C33/416—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages made from plastic, e.g. injection moulded comb cages
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
さよりも厚くするとともに、この厚くした状態の保持器径方向厚さが、厚くしない状態の保持器径方向厚さよりも5%以上としているので、外径側の剛性が向上して、遠心力によって外径方向に広がろうとする変形を安定して防止できる。
22 外輪
23 ボール
24 保持器
25 保持器本体
26 軸方向一端面
27 凹部
28 爪部
29 ポケット
Claims (2)
- 環状の保持器本体の軸方向一端面に周方向に沿って所定ピッチで配設される凹部を形成するとともに、この凹部の周方向に対向する開口端から一対の爪部を突設して、前記凹部と一対の爪部とでボールが収納されるポケットを形成し、保持器本体の軸方向他端面側に設けられるぬすみ部を形成した樹脂冠型保持器であって、
ボールピッチ直径より外径側の径方向厚さを、前記ぬすみ部の位置をそのままに外径側の肉厚を増加させて、ボールピッチ直径より内径側の径方向厚さよりも厚くするとともに、この厚くした状態の保持器径方向厚さが、厚くしない状態の保持器径方向厚さよりも5%以上となって、前記ボールの直径の45%以上となり、かつ、保持器本体の軸方向他端面側に設けられる前記ぬすみ部がボールピッチ直径上に配置されることを特徴とする樹脂冠型保持器。 - 内輪と、外輪と、この内輪と外輪との間に介装されるボールと、このボールの保持する保持器とを備える玉軸受において、前記保持器に前記請求項1記載の樹脂冠型保持器を用いたことを特徴とする玉軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006195930A JP4642712B2 (ja) | 2006-07-18 | 2006-07-18 | 樹脂冠型保持器及び玉軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006195930A JP4642712B2 (ja) | 2006-07-18 | 2006-07-18 | 樹脂冠型保持器及び玉軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008025627A JP2008025627A (ja) | 2008-02-07 |
JP4642712B2 true JP4642712B2 (ja) | 2011-03-02 |
Family
ID=39116466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006195930A Expired - Fee Related JP4642712B2 (ja) | 2006-07-18 | 2006-07-18 | 樹脂冠型保持器及び玉軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4642712B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8104971B2 (en) * | 2007-08-28 | 2012-01-31 | Jtekt Corporation | Resin cage for ball bearing |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002188649A (ja) * | 2000-12-21 | 2002-07-05 | Ntn Corp | プーリ用玉軸受及びプーリ |
JP2004092892A (ja) * | 2002-09-04 | 2004-03-25 | Nsk Ltd | 高温高速用転がり軸受 |
-
2006
- 2006-07-18 JP JP2006195930A patent/JP4642712B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002188649A (ja) * | 2000-12-21 | 2002-07-05 | Ntn Corp | プーリ用玉軸受及びプーリ |
JP2004092892A (ja) * | 2002-09-04 | 2004-03-25 | Nsk Ltd | 高温高速用転がり軸受 |
Also Published As
Publication number | Publication date |
---|---|
JP2008025627A (ja) | 2008-02-07 |
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