- 专利标题： BEARING ELEMENT MANUFACTURING METHOD, BEARING MANUFACTURING METHOD, MACHINE MANUFACTURING METHOD, VEHICLE MANUFACTURING METHOD, BEARING ELEMENT, BEARING, MACHINE, AND VEHICLE
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申请号： US17912940申请日： 2021-07-06
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公开(公告)号： US20230160431A1公开(公告)日： 2023-05-25
- 发明人: Kouhei MORI , Mizuki WATANABE , Isao SHINTOU , Hiroshi KOYAMA
- 申请人： NSK Ltd.
- 申请人地址： JP Tokyo
- 专利权人： NSK Ltd.
- 当前专利权人： NSK Ltd.
- 当前专利权人地址： JP Tokyo
- 优先权： JP 20117331 2020.07.07
- 国际申请： PCT/JP2021/025523 2021.07.06
- 进入国家日期： 2022-09-20
- 主分类号： F16C33/64
- IPC分类号： F16C33/64 ; B21J5/06 ; B21K1/04 ; F16C19/06
摘要：
A first piece (13) includes a first ring portion (13b) and a second ring portion (13c) which are arranged side by side in an axial direction and an inner diameter and an outer diameter of the first ring portion (13b) are respectively larger than an inner diameter and an outer diameter of the second ring portion (13c). A second piece (16) is obtained by pressing the first piece (13) while the first piece (13) is disposed between a first set and a second set.
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