发明名称 |
CAGE UNIT AND TAPERED ROLLER BEARING EQUIPPED WITH CAGE UNIT |
摘要 |
Provided is a cage unit including a cage having a small diameter side annular portion, a large diameter side annular portion arranged so as to be spaced apart in an axial direction from the small diameter side annular portion, and a plurality of cage bar portions that connect the small diameter side annular portion and the large diameter side annular portion; and a tapered roller accommodated in a pocket, which is a space surrounded by the small diameter side annular portion, the large diameter side annular portion, and the cage bar portions. A lubrication groove lying along a circumferential direction is formed on an inner end face of the large diameter side annular portion that faces a roller large end face of the tapered roller, and a circumferential length of the lubrication groove is designed such that the lubrication groove overlaps the roller large end face in the circumferential direction. |
申请公布号 |
US2015275974(A1) |
申请公布日期 |
2015.10.01 |
申请号 |
US201514657202 |
申请日期 |
2015.03.13 |
申请人 |
JTEKT CORPORATION |
发明人 |
SUZUKI Akiyuki |
分类号 |
F16C33/66;F16C19/36 |
主分类号 |
F16C33/66 |
代理机构 |
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代理人 |
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主权项 |
1. A cage unit comprising:
a cage including a small diameter side annular portion, a large diameter side annular portion arranged so as to be spaced apart in an axial direction from the small diameter side annular portion, and a plurality of cage bar portions that connect the small diameter side annular portion and the large diameter side annular portion; and a tapered roller accommodated in a pocket, which is a space surrounded by the small diameter side annular portion, the large diameter side annular portion, and the cage bar portions; wherein a lubrication groove lying along a circumferential direction is formed on an inner end face of the large diameter side annular portion that faces a roller large end face of the tapered roller, and a circumferential length of the lubrication groove is designed such that the lubrication groove overlaps the roller large end face of the tapered roller in the circumferential direction. |
地址 |
Osaka-shi JP |