发明名称 |
RETAINER FOR ROLLING BEARING, AND ROLLING BEARING |
摘要 |
<p>A retainer for a rolling bearing, which is used for a food machine or a vacuum apparatus, containing an increased amount of a lubricating oil and enhancing a use efficiency of the lubricating oil and rolling bearing is described. The retainer consists of a molding, of a synthetic resin composition, which holds a rolling element of a rolling bearing. The molding is composed of a resinous porous article having an interconnected hole porosity not less than 30% and a lubricating oil which impregnates the resinous porous article. The resinous porous article has an interconnected hole are formed by molding a resin containing a pore-forming substance having a melting point higher than that of the resin and can be used as a food material, and by extracting said pore-forming substance from the molding with a solvent which dissolves the pore-forming substance and does not dissolve the resin.</p> |
申请公布号 |
EP1775488(B1) |
申请公布日期 |
2011.12.07 |
申请号 |
EP20050745692 |
申请日期 |
2005.06.03 |
申请人 |
NTN CORPORATION |
发明人 |
HIRATA, MASAKAZU;TSUTSUI, HIDEYUKI |
分类号 |
F16C33/44;F16C19/06;F16C33/41;F16C33/66 |
主分类号 |
F16C33/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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