... 3.Standard:ISO,CEMA,DIN,JIS Used to support the conveyor belt and are installed on the groove-shape frame, groove-shape ... roller1. High wear-resistance, low friction and good for the conveyor belt2. Fine self lubrication, free from oil, can work under ... hoursSamples for testing are available.The more relaxed payment termsDetailed conveyor roller idler feature: 1.Roller idlers Dia 50mm-219mm, length ...