Nylon roller/idler is one of our main products which surface is covered by nylon coat which can improve the roller/idler's resistance to abrasion, antistatic and operate steadiness. 1.Dia 50mm-219mm, length 190-3400mm, which are used in the steel industry, harbor, coal industry, power industry, cement industry, etc 2.Abrasion resistance, long life time. The roller adapts specialized polymer material, which is excellent in wear resistance, self-lubricating property and this performance can protect the belt well. 3.Light in weight, small rotatory inertia 4.Reasonably structured, reliable seal can protect the dust, gas, liquid, etc from entering into the interior of the roller to damage the bearing. 5.High anticorrosive property. Roller and seal adapt polymer material, which is anticorrosive. This kind of roller can be used in corrosive environment and the life time is much longer than the general roller. Besides we can manufacture the rollers and idlers according to the buyers' requirements wooden packing case