BEARING DEVICE FOR VEHICLE WHEEL - NTN TOYO BEARING CO LTD

Title:

BEARING DEVICE FOR VEHICLE WHEEL

Document Type and Number:

WIPO Patent Application WO/2018/143366

Kind Code:

A1

Abstract:

A bearing device (1) for a vehicle wheel in which a holding implement (7) is configured from a one-side annular part (71), an other-side annular part (72), and a plurality of column parts (73) connecting the one-side annular part (71) and the other-side annular part (72), wherein the column parts (73) pass between mutually adjacent rolling elements (4) and extend diametrically outward past a pitch circle (Pc) of the rolling elements (4), wall parts (74) extend from respective column parts (73) toward a center axis (7C) of the holding implement (7), and the distance (B) from the center axis (7C) of the holding implement (7) to the diametrically inner-side ends of the wall parts (74) is less than a value resulting from subtracting a maximum eccentricity (D) of the holding implement (7) from the pitch circle diameter (P) of the rolling elements (4).

Inventors:

SUZUKI HYUUGA (JP)
SEKI MAKOTO (JP)
UCHIYAMA NOBUKATSU (JP)

Application Number:

PCT/JP2018/003471

Publication Date:

August 09, 2018

Filing Date:

February 01, 2018

Export Citation:

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Assignee:

NTN TOYO BEARING CO LTD (JP)

International Classes:

F16C33/46; F16C19/38

Foreign References:

JPH1144322A	1999-02-16
JP2005024019A	2005-01-27
JP2004316670A	2004-11-11
JP2010071321A	2010-04-02
JP2012082877A	2012-04-26
JP2006242284A	2006-09-14
JP2009052653A	2009-03-12
JP2013190006A	2013-09-26