JP2004092722A5 - - Google Patents

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Publication number
JP2004092722A5
JP2004092722A5 JP2002252666A JP2002252666A JP2004092722A5 JP 2004092722 A5 JP2004092722 A5 JP 2004092722A5 JP 2002252666 A JP2002252666 A JP 2002252666A JP 2002252666 A JP2002252666 A JP 2002252666A JP 2004092722 A5 JP2004092722 A5 JP 2004092722A5
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JP
Japan
Prior art keywords
rolling bearing
oil
bearing according
base oil
ester
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.)
Withdrawn
Application number
JP2002252666A
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Japanese (ja)
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JP2004092722A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2002252666A priority Critical patent/JP2004092722A/en
Priority claimed from JP2002252666A external-priority patent/JP2004092722A/en
Publication of JP2004092722A publication Critical patent/JP2004092722A/en
Publication of JP2004092722A5 publication Critical patent/JP2004092722A5/ja
Withdrawn legal-status Critical Current

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Claims (5)

内・外輪の間に保持器を介して複数個の転動体を保持して構成され、鉱油、合成炭化水素油及びエステル油の中から選択される少なくとも１種を基油とし、ジウレア化合物を増ちょう剤とし、更に有機脂肪酸、有機脂肪酸の誘導体、有機脂肪酸の塩及びアミン誘導体の中から選択される少なくとも１種を防錆剤として含有するグリースを封入したことを特徴とする転がり軸受。  A plurality of rolling elements are held between inner and outer rings via a cage, and at least one selected from mineral oil, synthetic hydrocarbon oil and ester oil is used as a base oil to increase the diurea compound. A rolling bearing comprising a grease containing at least one selected from organic fatty acids, organic fatty acid derivatives, organic fatty acid salts and amine derivatives as a rust preventive agent. 基油の４０℃における動粘度が３０〜１５０ｍｍ２／ｓであることを特徴とする請求項１記載の転がり軸受。The rolling bearing according to claim 1, wherein the base oil has a kinematic viscosity at 40 ° C. of 30 to 150 mm 2 / s. 基油の４０℃における動粘度が５０〜９０ｍｍThe base oil has a kinematic viscosity at 40 ° C. of 50 to 90 mm. ２2 ／ｓであることを特徴とする請求項１記載の転がり軸受。The rolling bearing according to claim 1, which is / s. 基油がエステル油であり、防錆剤がジカルボン酸の部分エステル、多価アルコールのカルボン酸部分エステル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。The rolling bearing according to any one of claims 1 to 3, wherein the base oil is an ester oil and the rust inhibitor is a partial ester of a dicarboxylic acid or a carboxylic acid partial ester of a polyhydric alcohol. 非接触シールを備え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。The rolling bearing according to claim 1, further comprising a non-contact seal.
JP2002252666A 2002-08-30 2002-08-30 Rolling bearing Withdrawn JP2004092722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002252666A JP2004092722A (en) 2002-08-30 2002-08-30 Rolling bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002252666A JP2004092722A (en) 2002-08-30 2002-08-30 Rolling bearing

Publications (2)

Publication Number Publication Date
JP2004092722A JP2004092722A (en) 2004-03-25
JP2004092722A5 true JP2004092722A5 (en) 2005-09-29

Family

ID=32058880

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002252666A Withdrawn JP2004092722A (en) 2002-08-30 2002-08-30 Rolling bearing

Country Status (1)

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JP (1) JP2004092722A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008115991A (en) * 2006-11-07 2008-05-22 Nsk Ltd Rolling bearing for hard disk drive actuator
JP2008128481A (en) * 2006-11-27 2008-06-05 Nsk Ltd Bearing unit
JP6754565B2 (en) * 2015-01-21 2020-09-16 セイコーインスツル株式会社 Grease, rolling bearings, rolling bearing devices and information recording / playback devices
JP6858501B2 (en) 2016-07-11 2021-04-14 セイコーインスツル株式会社 Grease, rolling bearings, rolling bearing devices and information recording / playback devices

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