... .light weight 3.property reliability 4.superior airproof property 5.low noise Product catalogue StandardDIN15207, DIN22107, ISO1537, GB10595CertificateISO, CEType ... 6307/6308 etcShaft Materialcarbon steel, Rubber , nylon etcBelt width from 300mm to 2000mmBearing brandSKF,HRB,FAG,NSKTube materialcarbon Steel .Q235 ... ; 309; 31021920;25;30;40;45308; 309; 310 Belt conveyor length 1400mm Impact Idler