Patent ID: 6877901
Filing Date: 2005-04-12
Classification: F01D,F16C,Y10S

Abstract:
1. A bearing system for a shaft rotating at high speeds about an axis of rotation, comprising: a rotatable cylinder having a cylindrical outside surface and a pair of thrust-bearing surfaces, and having a central bore; a first angular contact ball bearing in the central bore at one end of the rotatable cylinder and having an inner race, a plurality of ball bearings and having an outer race to accept thrust in one direction only; a second angular contact ball bearing in the central bore at the opposite end of the rotatable cylinder having an inner race, a plurality of ball bearings and an outer race to accept thrust only in the direction opposite said one direction; a radial spring between the outer race of said first angular contact ball bearing and the rotatable cylinder; and a spacer between the inner races of said angular contact ball bearings.