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/2003/074891

Kind Code:

A1

Abstract:

A bearing device, comprising a bearing ring and a shaft body formed of a carbon steel having pearlite with cementite the lamellar structure of cementite and having an end part caulked into the bearing ring, wherein the layer-to-layer distances of the cementite in the pearlite are increased at least at the end part of the shaft body.

Inventors:

TODA KAZUTOSHI (JP)
KASHIWAGI SHINICHIROU (JP)
TOMITA DAISAKU (JP)

Application Number:

PCT/JP2003/002625

Publication Date:

September 12, 2003

Filing Date:

March 06, 2003

Export Citation:

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Assignee:

KOYO SEIKO CO (JP)
TODA KAZUTOSHI (JP)
KASHIWAGI SHINICHIROU (JP)
TOMITA DAISAKU (JP)

International Classes:

B60B27/00; F16C19/18; F16C19/38; F16C35/063; F16C43/04; (IPC1-7): F16C35/063; C21D9/40

Foreign References:

US20020012486A1	2002-01-31
JP2002021858A	2002-01-23
US20020012486A1	2002-01-31

Other References: