Patent ID: 6152603
Filing Date: 2000-11-28
Classification: F16C

Abstract:
A bearing device, comprising: a holder designed in a cylindrical shape, a collar unit extending in a peripheral direction near a first axial end of the holder, fixing units and mounting units alternately arranged along a circumference of an outer peripheral portion of the collar unit, and engaging sectors of bearing bodies on each of a first end and a second end of a bearing bore of the holder, wherebyan annular groove is formed in an axial direction from the first end and is provided on an outer periphery of the holder so that a thickness of a peripheral wall forming the engaging sector on the first end of the holder will be uniform over the entire periphery of the first end of the holder;wherein a difference between maximum value and minimum value of the inner diameter of the peripheral wall of the engaging sector provided on the first end of the holder is not more than 6 .mu.m.