Roller bearing

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United States of America Patent

PATENT NO RE48586
SERIAL NO

16253746

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Importance

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Abstract

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The contact portion of the end face of a conical roller, which is a portion to be slidingly contacted with a collar portion, is ground such that the outer contour line of the section thereof has a continuously curved line which passes through at least not only the first point but also between the third position and fourth position.

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Patent Owner(s)

Patent OwnerAddress
NSK LTDTOKYO 141-8560

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujii, Osamu Kanagawa, JP 60 818
Murai, Takashi Kanagawa, JP 64 468
Tsunashima, Shinichi Kanagawa, JP 4 23

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