Belt Rating Chart Belt DesignationFull Belt Tensile StrengthMaximum Recommended Working TensionNominal Carcass ThicknessNominal Carcass WeightMaximum Belt Width (mm) for adequate load support Bulk Density (T/m3)Minimum Belt width (mm) For adequate TroughingTypeRatingKN/mVulcanised SpliceMechanical Fasterners(mm)Kg/cm/mtrUpto 1.0Upto 1.5Upto 2.520 Deg. Idlers30 Deg. Idlers45 Deg. Idlers(kN/m)GENERAL DUTY200/2200202020.02650500–300400500250/225025252.50.02650600–300400500315/231531312.70.02900650500300400500315/3315313130.031000800650400500500400/240040402.80.031000800650400500500400/340040403.20.031200900650500500500500/350050*3.40.031200900650500500500630/363063*3.50.0312001000800500500500HEAVY DUTY200/220020202.80.03800650500400400500250/2250252530.03800650500400400500315/231531313.10.031000800650400500500315/331531313.60.0312001000800500500500400/240040403.20.0312001000800500500500400/340040403.60.0312001000800500500650400/440044404.50.0412001000800500500650500/350050*3.70.0314001000800500500650500/450055*4.50.0414001200900500650650630/363063*3.90.04160014001200650800800630/463070*50.05180016001400650800900800/480090*5.40.051800160016006509009001000/41000110*5.80.0520001800160080090010001000/51000110*6.60.072000180016008009001000Extra Heavy Duty 1000/51000110»70.0820001800160080090010001250/41250140*6.80.082000180016008008009001250/51250140*7.50.0920001800180080090010001400/41400145*7.20.0820001800180080090010001400/51400155*8.20.0920001800180080090012001600/416001807.40.082000200018008009001200