... type:NR,NBR,SBR,CR,EPDM,Slicone,Viton,IIR bearing rollerfunction:used for matallurgy,mine,dock,printing and dyeing ... anti-alkali,rust prevention,pressure-proofspecification:small diameter:just 20mm,less than 0.5kghuge diameter:length,1000-7000mm;weight,more than ... also used for sugar production and release of the packaging machine feed rollers and non-woven manufacturing.* Fluorine rubber roller: ...