Ball bearing

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO RE49737
SERIAL NO

16593123

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A ball bearing includes an inner ring having a raceway surface, an outer ring having a raceway surface, a plurality of rolling elements rollably disposed between the raceway surface of the inner ring and the raceway surfaces of the outer ring, and a resin cage configured to retain the plurality of rolling elements between the inner ring and the outer ring. The cage is a crown type cage having an annular base portion and a plurality of pockets formed in id='REI-00001' date='20231128' an axial end face ofid='REI-00001' the annular base portion, in which the pockets retain the rolling elements. An axial distance between an axial position of a center of gravity of the cage and a curvature center of a spherical or cylindrical inner surface of each of the pockets is 0.6 or more times a radius of curvature of the inner surface. id='REI-00002' date='20231128' A hybrid vehicle transmission has this ball bearing.id='REI-00002'

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Patent Owner(s)

Patent OwnerAddress
NSK LTDSHINAGAWA-KU TOKYO 141-8560

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maejima, Takeshi Kanagawa, JP 5 32
Matsumoto, Youichi Kanagawa, JP 21 261
Tanaka, Takanori Kanagawa, JP 95 342

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