发明名称 |
ROLLER BEARING CAGE AND MANUFACTURING METHOD THEREFOR |
摘要 |
A roller bearing cage includes ring portions and pillar portions extend in an axial direction to connect the ring portions and disposed along a circumferential direction to define pocket portions. The pillar portion includes a bent portion formed in the vicinity of an axial center of the pillar portion so as to protrude radially inwards of the ring portions. A ring portion thickness is larger than a bent portion thickness; a pillar end portion thickness is larger than the bent portion thickness; and the pillar end portion thickness is equal to the ring, portion thickness or more, where the ring portion thickness is a radial thickness of the ring portion; the bent portion thickness is a radial thickness of the bent portion; and the pillar end portion thickness is a thickness of a portion of the pillar portion connected to the ring portion and in the vicinity thereof.
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申请公布号 |
US2013202241(A1) |
申请公布日期 |
2013.08.08 |
申请号 |
US201313756706 |
申请日期 |
2013.02.01 |
申请人 |
JTEKT CORPORATION;UTSUNOMIYA KIK CO., LTD.;UTSUNOMIYA KIKI CO., LTD.;JTEKT CORPORATION |
发明人 |
NAKASHIMA YOSHIHITO;KURIKI HAJIME |
分类号 |
F16C33/46;F16C43/04 |
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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