Our company adopts advanced technology and equipment to produce various rollers.High accurate steel pipes ensure the rollers with low vibration and noise.Multi-labyrinth seals achieve waterproof and dust proof.Adopt good bearing make sure the long lifetime, stable running and good quality.The specification range we can sullpy:Diameter: 50 to 219mm Length: 190 to 3,500mm Idler Dia mm 5063.57689102108114127133139.8152.4159165.2177.8190.7194219length190mm3500mm