Bearing apparatus for wheel

Bearing apparatus for wheel

  • CN 101,249,776 A
  • Filed: 07/25/2007
  • Published: 08/27/2008
  • Est. Priority Date: 02/23/2007
  • Status: Active Application
First Claim
Patent Images

1. bearing apparatus for wheel is characterized in that having:

  • foreign side'"'"'s member, interior side'"'"'s member, rotor,Described foreign side member is formed with the outboard raceway face of multiple row ring-type on inner peripheral surface;

    Square member is formed with the inboard raceways face of the multiple row ring-type relative with described outboard raceway face in described;

    Described rotor contacts with described inboard raceways face with described outboard raceway face, rotates to be configured in freely on the track of ring-type,Described foreign side member or described in the either party of square member constitute by steel, comprise and have the member of wheel with flange, this has wheel and is formed with flange that the installation wheel uses, is the wheel mounting flange with the member of flange,The described wheel that has has with the member of flange;

    Hardened into the sclerosis portion more than the 50HRC by quench hardening;

    Position beyond the described sclerosis portion is a non-sclerosis portion,At the remained on surface of described non-sclerosis portion compressing stress more than the 50MPa, below the 500MPa is arranged.

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