JP2002250351A5 - - Google Patents
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- Publication number
- JP2002250351A5 JP2002250351A5 JP2001043646A JP2001043646A JP2002250351A5 JP 2002250351 A5 JP2002250351 A5 JP 2002250351A5 JP 2001043646 A JP2001043646 A JP 2001043646A JP 2001043646 A JP2001043646 A JP 2001043646A JP 2002250351 A5 JP2002250351 A5 JP 2002250351A5
- Authority
- JP
- Japan
- Prior art keywords
- rolling bearing
- grease composition
- bearing according
- fluorinated polymer
- conductive substance
- 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
Description
【特許請求の範囲】
【請求項１】 内輪と外輪との間に保持器を介して複数の転動体を略等間隔で回動自在に保持し、かつフッ素化ポリマー油を基油とし、ポリテトラフルオロエチレンを増ちょう剤とするグリース組成物に、導電性物質を該グリース組成物全量の０．１〜１０質量％の割合で配合してなるグリース組成物を封入していることを特徴とする転がり軸受。
【請求項２】 フッ素化ポリマー油が（１）式または（２）式で表わされる側鎖構造を有し、かつ、４０℃における動粘度が２０〜２００ｍｍ ２ ／ｓであることを特徴とする請求項１記載の転がり軸受。
【化３】
【請求項４】 グリース組成物の混和ちょう度がＮＬＧＯ Ｎｏ．１〜３であることを特徴とする請求項１〜３の何れか１項に記載の転がり軸受。
【請求項５】 自動車の電装部品用、エンジン補機用であることを特徴とする請求項１〜４の何れか１項に記載の転がり軸受。
[Claims]
1. A plurality of rolling elements are rotatably held at substantially equal intervals between an inner ring and an outer ring via a retainer, and fluorinated polymer oil is used as a base oil, and polytetrafluoroethylene is added. A rolling bearing, wherein a grease composition obtained by mixing a conductive substance with a grease composition as an agent in a ratio of 0.1 to 10% by mass of the total amount of the grease composition is sealed.
2. The fluorinated polymer oil has a side chain structure represented by the formula (1) or (2), and has a kinematic viscosity at 40 ° C. of 20 to 200 mm 2 / s. The rolling bearing according to claim 1.
Embedded image
4. The grease composition having a penetration consistency of NLGO No. The rolling bearing according to any one of claims 1 to 3, wherein the number is from 1 to 3.
5. The rolling bearing according to claim 1, wherein the rolling bearing is used for an electric component of an automobile and for an engine accessory.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001043646A JP2002250351A (en) | 2001-02-20 | 2001-02-20 | Rolling bearing |
| US10/076,403 US6652149B2 (en) | 2001-02-20 | 2002-02-19 | Rolling bearing |
| CNB021056919A CN1210508C (en) | 2001-02-20 | 2002-02-20 | Rolling bearing |
| CNA2005100516213A CN1644942A (en) | 2001-02-20 | 2002-02-20 | Rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001043646A JP2002250351A (en) | 2001-02-20 | 2001-02-20 | Rolling bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002250351A JP2002250351A (en) | 2002-09-06 |
| JP2002250351A5 true JP2002250351A5 (en) | 2008-03-27 |
Family
ID=18905777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001043646A Pending JP2002250351A (en) | 2001-02-20 | 2001-02-20 | Rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002250351A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005105238A (en) * | 2003-01-06 | 2005-04-21 | Nsk Ltd | Grease composition for automotive electrical equipment and auxiliary machine and rolling bearing filled with the grease composition |
| JP4520756B2 (en) * | 2004-02-26 | 2010-08-11 | 新日本石油株式会社 | Grease composition for constant velocity joints |
| JP4832724B2 (en) | 2004-04-02 | 2011-12-07 | Ｎｔｎ株式会社 | Grease composition and grease-filled bearing |
| JP2007262300A (en) | 2006-03-29 | 2007-10-11 | Kyodo Yushi Co Ltd | Lubricant composition |
| JP5467723B2 (en) | 2008-01-23 | 2014-04-09 | 協同油脂株式会社 | Lubricant composition and machine member |
| JP5774881B2 (en) | 2011-03-17 | 2015-09-09 | 協同油脂株式会社 | Grease composition |
| JP6041202B2 (en) | 2012-10-26 | 2016-12-07 | 協同油脂株式会社 | Grease composition |
| US10077411B2 (en) | 2013-08-02 | 2018-09-18 | Kyodo Yushi Co., Ltd. | Grease composition |
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2001
- 2001-02-20 JP JP2001043646A patent/JP2002250351A/en active Pending
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