RBO beds are fabricated from 11 gauge steel, reinforced by 3/16” x 1 1/4” x 1 1/4” steel angle welded on the bottom. Snub pulleys are equipped with minimum Ø1 7/16” CRS shafts mounted in eccentric locking collar, Dodge SXR ball bearing units. Square head set screws and jam nuts are provided for pulley adjustment.
RBOs are available in either a five foot or ten foot radius. Standard slope ranges are 18°, 20° and 22°, with 18° as industry design objective.