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Patent Searching and Data


Title:
ANGULAR CONTACT BALL BEARING, AND BALL SCREW DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2017/061417
Kind Code:
A1
Abstract:
Provided is an angular contact ball bearing which is capable of increasing the diameter of balls and improving load capacity, and which is suitably used to mainly bear thrust loads. In this angular contact ball bearing (J), a plurality of balls (3) are disposed in a rollable manner between an inner ring raceway groove (1a) formed in the outer circumferential surface of an inner ring (1), and an outer ring raceway groove (2a) formed in the inner circumferential surface of an outer ring (2). The plurality of balls (3) are held by a plurality of separator cages (4) which are disposed between adjacent balls (3), and which are separated from each other. The contact angle θ of each of the balls (3) is within the range of 45-65˚.

Inventors:
TANIMURA HIROKI (JP)
Application Number:
PCT/JP2016/079464
Publication Date:
April 13, 2017
Filing Date:
October 04, 2016
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C19/20; F16C19/16; F16C31/04; F16C33/58; F16H25/22
Domestic Patent References:
WO2015129064A12015-09-03
Foreign References:
JP2007247901A2007-09-27
JP2012177412A2012-09-13
JP2011094719A2011-05-12
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
Shuji Sugimoto (JP)
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