Patent ID: 9739314
Date: 2017-08-22
CPC Classifications: F16C,H02K

Claim:
1. A bearing unit, comprising: a bearing housing being formed into a cylindrical shape; and a bearing section being attached in the bearing housing, the bearing housing being capable of rotatably holding a rotor shaft, wherein the bearing housing is made of resin, grooves and projecting stripes, which are engaged with each other, are formed in an inner circumferential face of a housing hole of the bearing housing and an outer circumferential face of the bearing section and extended in an axial direction of the bearing housing and the bearing section, the bearing section is fitted into the bearing housing from an opening part which is located on one end side of the bearing housing, in a state where the grooves and the projecting stripes are corresponded to each other, until the bearing section contacts an inner end face of the housing hole which is located on the other end side of the bearing housing, and a retaining projection of the bearing housing, which is formed at one end of the housing hole located on the one end side of the bearing housing, is deformed to overlap an end face of the bearing section.