ZY produces a vast range of conveyor rollers for both OEM and replacement market. Steel, plastic and stainless steel, diameters from 20mm to 80mm, weight capacity ranging from as little as 3kgs to 650kgs each roller. Manufactured to the highest standard using precision and general conveyor roller bearings. Roller, standard precision bearing, stable turning, suit for most of gravity conveyor. Applicable conveyor type: Gravity roller conveyor Applicable situation: Indoor transportation Bearing unit: zinc palted steel Tube DIA: 50mm Tube Material: Carton steel with galvanization Wall thickness: 1.5mm Shaft Dia: 15mm Mounting way: spring loaded type other mounting way is avairable. We can also do other gravity rollers, like PVC rolls, rubber coated rollers, tapered rollers. Any other chain-drive rollers can also be done according to customer's requiremnt.