BEARING DEVICE AND METHOD OF MANUFACTURING THE BEARING DEVICE

Title:

BEARING DEVICE AND METHOD OF MANUFACTURING THE BEARING DEVICE

Document Type and Number:

WIPO Patent Application WO/2002/016791

Kind Code:

A1

Abstract:

A bearing device, comprising a shaft body having an axial cylindrical part at the free end side thereof and rolling bearings fitted onto the outer peripheral surface of the shaft body, wherein the cylindrical part is bucklingly deformed in radial outer direction by a rolling caulking to be caulked to the outer end faces of the inner rings incorporated in the rolling bearings, and the roughness of the inner peripheral surface is set to 12.5 $g(m)m or below by 10-point average roughness (Rz).

Inventors:

TODA KAZUTOSHI (JP)
KASHIWAGI SHINICHIROU (JP)
ISHII TOMOHIRO (JP)
MITARAI TADASHI (JP)
TOMITA DAISAKU (JP)

Application Number:

PCT/JP2001/006966

Publication Date:

February 28, 2002

Filing Date:

August 13, 2001

Export Citation:

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Assignee:

KOYO SEIKO CO (JP)
TODA KAZUTOSHI (JP)
KASHIWAGI SHINICHIROU (JP)
ISHII TOMOHIRO (JP)
MITARAI TADASHI (JP)
TOMITA DAISAKU (JP)

International Classes:

B60B27/00; F16C35/063; F16C37/00; (IPC1-7): F16C35/063; B60B35/18

Foreign References:

JP2000211302A	2000-08-02
JPH07305726A	1995-11-21
US5490732A	1996-02-13

Other References: