Bearing device

摘要

A bearing device is constituted by a rolling bearing and a lubricant supply device combined with each other. The lubricant supply device includes a lubrication oil tank which stores pressurized lubrication oil and has a lubrication oil discharge spout; an open/close valve which opens/closes the lubrication oil discharge spout of the lubrication oil tank; a driving section which operates the open/close valve; and an electric power source section which generates electric energy for operation of the driving section. The lubricant supply device is attached to the rolling bearing or to a spacer adjacent thereto.

主权项

1. A bearing device comprising a rolling bearing and a lubricant supply device combined with each other,
wherein the lubricant supply device is accommodated in a casing attached to a spacer which is a separate body from the rolling bearing and is adjacent to the rolling bearing, and the casing includes a casing body which has an opening on one end surface thereof, and a lid which is detachable from/attachable to the casing body so as to close the opening of the casing body, and wherein at least one ridge is formed on the casing, at least one recess is defined in the spacer, and the at least one ridge formed on the casing is configured to fit into the at least one recess defined in the spacer.