Version supported on strong rectangular side frames, made of hot rolled steel sections, bolted on the scroll sides, available from the size 500 up to the size 1000.
Heavy duty ball or roller bearings (according to size) on cast iron pillow blocks with grease points.
The standard fan can be freely rotated, to allow installation with orientation 0°, 90°, 180° or 270°, as defined in ISO 13349.
