发明名称 |
Retainer for roller bearing |
摘要 |
<p>Aretainer for a roller bearing includes a pair of annular portions and a plurality of columns 23 provided between the annular portions. A plurality of pockets are defined by the annular portion and the column each for receiving a roller. An indented relief is provided on the corners of the plurality of pockets and the circumferential average width d (mm) of the column at the area where the indented relief is provided, the axial thickness t (mm) of the annular portion at the area where the indented relief is provided, the radius r (mm) of curvature of the indented relief, the average diameter Da (mm) of the roller and the pitch circle diameter dm (mm) of the bearing satisfy a relationship: 0.07 × dm + 20 ‰¤ (2/d + 4/t + 1/r) × Da ‰¤ 0.07 × dm + 50.</p> |
申请公布号 |
EP1233199(A2) |
申请公布日期 |
2002.08.21 |
申请号 |
EP20020003577 |
申请日期 |
2002.02.15 |
申请人 |
NSK LTD |
发明人 |
MATSUI, MASAHITO;MURAI, TAKASHI |
分类号 |
F16C33/46;F16C33/54;(IPC1-7):F16C33/46 |
主分类号 |
F16C33/46 |
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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