Rolling bearing unit

A rolling bearing unit comprises a shaft body, an inner ring mounted on the shaft body, an outer ring concentric with the inner ring, and a plurality of balls between the inner ring and the outer ring. A caulking portion to be caulked onto the outer end face of the inner ring is formed on the shaft...

Full description

Saved in:
Bibliographic Details
Main Authors Toda, Kazutoshi, Kashiwagi, Shinichirou, Tomita, Daisaku
Format Patent
LanguageEnglish
Published 17.04.2003
Online AccessGet full text

Cover

More Information
Summary:A rolling bearing unit comprises a shaft body, an inner ring mounted on the shaft body, an outer ring concentric with the inner ring, and a plurality of balls between the inner ring and the outer ring. A caulking portion to be caulked onto the outer end face of the inner ring is formed on the shaft body. A pre-load is applied to the balls to fix the inner ring to the shaft body. The retained austenite amount of an edge of the inner ring in the vicinity of the caulking portion is set between 3% or more and 20% or less.