... idlers trough idlers Standard:DIN ISO1537 ,CEMA Dia:60-219mm Length:150-3000mm Belt width:300-2800mm idlers roller conveyor idlers trough ... , Idler shaft dia, Idler tube thk, Idler length, Idler material.Standard: DIN15207, DIN22107, ISO1537, GB10595Certificate: ISO, CEType conveyor DTII, TD75Bearing NO ...