... 50mm-219mm, length 190-3400mm, which are used in the steel industry, harbor, coal industry, power industry, cement industry, ... Seal.7. Lubrication: Grease is Lithium soap type grease with Rust Inhibitors.8. Welding: Mixed gas shielded arc ... baked paintingBesides we can manufacture the rollers and idlers according to the buyers' requirements conveyor rubber disc return roller, self cleaning roller idler ...