price and quality The idlers are very important component of belt conveyor. They are present along the entire length of the conveyor, support the belt and moving the materials loaded on the belt. The diameter of the idler could be correctly selected according to the belt width and travel speed. We produce φ60mm, φ63.5mm, φ76mm, φ89mm, φ108mm, φ114mm, φ127mm, φ133mm, φ140mm, φ159mm, φ165mm, φ178mm ...