Bearing device and method of manufacturing the bearing device

A bearing device is provided with a bearing ring and a shaft body that is made of carbon steel including pearlite having a cementite layer structure, and has an end portion caulked onto the bearing ring, and in this device, at least in the end portion of the shaft body, the layer gap of the cementit...

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Bibliographic Details
Main Authors KASHIWAGI SHINICHIROU, TOMITA DAISAKU, TODA KAZUTOSHI
Format Patent
LanguageEnglish
Published 06.04.2010
Subjects
AXLES FOR WHEELS OR CASTORS
BEARINGS
BLASTING
CASTORS
COMBINED OPERATIONS
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
INCREASING WHEEL ADHESION
LIGHTING
MACHINE TOOLS
MECHANICAL ENGINEERING
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
METAL-WORKING NOT OTHERWISE PROVIDED FOR
OTHER WORKING OF METAL
PERFORMING OPERATIONS
PUNCHING METAL
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
TRANSPORTING
UNIVERSAL MACHINE TOOLS
VEHICLE WHEELS
VEHICLES IN GENERAL
WEAPONS
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Summary:A bearing device is provided with a bearing ring and a shaft body that is made of carbon steel including pearlite having a cementite layer structure, and has an end portion caulked onto the bearing ring, and in this device, at least in the end portion of the shaft body, the layer gap of the cementite in the pearlite is made greater.
Bibliography:Application Number: US20040497041