... .Selecting a idler, Confirming some parameters:Idler dia, Idler shaft dia, Idler tube thk, Idler length, Idler material.Standard: DIN15207, DIN22107, ISO1537, GB10595Certificate: ISO, CEType conveyor DTII ... ,500mm Idler Dia mm5063.57689102108114127133139.8152.4159165.2177.8190.7194219length190mm-3500mm Meantime, we can produce according to the customers requirement. Idler rollers for conveyor ...