Rotation supporting apparatus, assembling method thereof, and monitoring camera having the same

摘要

A rotation supporting apparatus capable of reducing shaking of a rotating body like a camera unit. The rotation supporting apparatus includes a rotation shaft to be connected with a rotating body and to rotate, two or more bearings to rotatably support the rotation shaft, and a frame comprising a bearing mount part to receive the two or more bearings respectively. The frame includes an inner frame made out of a metal to house therein the bearing mount part, and an outer frame to engage with an outer portion of the inner frame. The rotation supporting apparatus may further include a bearing holder to engage with the rotation shaft and to support the bearings.