Bearing device, method of manufacturing bearing device and bearing assembly having the bearing device

摘要

A bearing device includes a body, a circular cover, and a through hole commonly defined through both the body and the cover. The body is an injection molded piece made from metal powder and molten binder. The cover is an injection molded piece made from metal powder and molten binder. Two passages are defined between the body and the cover, and each passage communicates the through hole with an exterior of the bearing device, whereby lubricant can flow from the through hole to the passages. A bearing assembly having the bearing device is also provided, and a method of manufacturing the bearing device is further provided.

主权项

1. A bearing device, comprising:
a body having a upper surface, a lower surface, and a side wall interconnecting the upper surface and the lower surface, the body being an injection molded piece made from metal powder and molten binder; and a generally circular cover attached on the body, the cover having a top generally circular wall, a bottom generally circular wall and a generally annular wall interconnecting the top wall and the bottom wall, and the cover being an injection molded piece made from metal powder and molten binder; wherein a through hole is commonly defined through both the body and the cover, two passages are defined between the body and the cover, and each passage communicates the through hole with a lateral exterior of the bearing device, whereby lubricant can flow from the through hole to the passages; wherein a first post if formed on the upper surface of the body, an opening is defined in the cover, and the first post is clipped in the opening; wherein each passage extends from the through hole to the side surface of the body in a counterclockwise vortical arrangement.