Patent ID: 8947832
Filing Date: 2015-02-03
Classification: F16C,G11B

Abstract:
1. A bearing device comprising: a shaft having an axis; plural rolling bearings arranged at axially separated positions and rotatably supporting the shaft; a first cylindrical member for supporting the rolling bearings on an inner surface thereof and having a first screw formed on an outer surface thereof; a second cylindrical member having a second screw formed on an inner surface thereof and mounted to the outer surface of the first cylindrical member by engagement of the first screw with the second screw; and a restricting member provided on the outer surface of the first cylindrical member for preventing relative axial movement of the second cylindrical member with respect to the first cylindrical member when a portion of the second cylindrical member contacts the restricting member, wherein the first cylindrical member and the second cylindrical member form a sleeve assembly, and the sleeve assembly is supported by the plural rolling bearings and is relatively rotatable with respect to the shaft, and the first screw and the second screw are fixed to each other by an adhesive.