... ,6306,6307,6308 4,Guranteen time:30000hDetailed conveyor roller idler feature: 1.Roller idlers Dia 60mm-219mm, length 150-3500mm, ... spraying painting, baked paintingBesides we can manufacture the rollers and idlers according to the buyers' requirementsSpecitifactions: Diameter:60-219mm Length ... :Coal industry, power industry, cement industry, harbor, metallurgy. Belt Conveyor Troughing Idler