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Patent Searching and Data


Title:
MULTI-ROW BALL BEARING AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/077670
Kind Code:
A1
Abstract:
Provided are a multi-row ball bearing and a manufacturing method therefor with which a radial load can be dispersed effectively while reducing frictional force when an inner ring and an outer ring rotate relative to one another. A plurality of ball rows (5) are interposed between an inner ring (3) and an outer ring (4) so as to be adjacent to one another, and each of the plurality of ball rows (5) is arranged such that the balls (5a) are arranged at a prescribed interval (L), and such that each ball row (5) is offset in the row direction with respect to the ball rows (5) adjacent to that ball row (5). Each ball (5a) in each ball row (5) faces a space (LS) of the prescribed interval (L) in each ball row (5) adjacent to that ball row (5), and is in contact with two balls (5a) forming each prescribed interval (L).

Inventors:
KAMEDA Michihiro (LTD. 518 Soya, Hadano-sh, Kanagawa 31, 〒2570031, JP)
Application Number:
JP2017/037450
Publication Date:
April 25, 2019
Filing Date:
October 17, 2017
Export Citation:
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Assignee:
NITTAN VALVE CO., LTD. (518 Soya, Hadano-shi Kanagawa, 31, 〒2570031, JP)
International Classes:
F16C19/08; F16C43/06
Foreign References:
JPS6256822U1987-04-08
JPH11210746A1999-08-03
JPS1015241Y
JPS5644224U1981-04-21
Attorney, Agent or Firm:
YAGI Hidehito et al. (AOBA INTERNATIONAL PATENT & TRADEMARK Stork Building Hongoku 5F, 3-2-6 Nihonbashi Hongoku-cho, Chuo-k, Tokyo 21, 〒1030021, JP)
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