rubber roller 1.Dia 60-219,length 190-3400 2.Used in mining,cement,steel,harbor,etc 3.Standard:ISO,CEMA, ... the shock at the loading zone. The rubber rolls used on impact idlers are made of natural molded rubber which is ideal ... .Roller idlers Dia 50mm-219mm, length 190-3400mm, which are used in the steel industry, harbor, coal industry, power industry, cement ...