The rollers/idlers are made from high precision welding pipes and seamless tubes, steel plates and the body of the roller/idler and the bearing are welded as an integrated one by extrusion and argon guarantee welding, which make the rollers/idlers low resistance coefficient, long lifetime. The seal of our rollers/idlers are labyrinth seal, which make the rollers/idlers fine waterproof and dustproof. The concentric design of the roller/idler decreases vibration. Wooden packing case
