conveyor roller CEMA,DIN,AS,JIS CE,ISO,BV,SGS, etc 1. ... : more than 30000 hoursSamples for testing are available.The more relaxed payment termsDetailed conveyor roller idler feature: 1.Roller idlers Dia 50mm-219mm ... DIN standard idler rollers: The AS standard idler rollers: conveyor self aligning idler roller with frame, training idler ...