RS240ANSI Standard<strong>Roller</strong> <strong>Chain</strong>3”Pitch1POL2POLL1Drive <strong>Chain</strong>L1L2 L1TφDφRhHLTWL2 L1L2 L1CC CPPNote: All pins have riveted construction.All dimensions in inches unless otherwise stated.Link Plate PinWidth<strong>Chain</strong> Pitch<strong>Roller</strong>Dia.BetweenInner LinkPlates Thickness Height Height Dia. Length Length LengthOffsetPinLengthTransversePitchNumber P R W T H h D L 1 + L 2 L 1 L 2 L CANSI Std.MinimumTensileStrength(lbs.)<strong>Tsubaki</strong>MinimumTensileStrength(lbs.)<strong>Tsubaki</strong>AverageTensileStrength(lbs.)MaximumAllowableLoad(lbs.)Single StrandRS240 3.000 1.875 1.875 0.374 2.850 2.457 0.937 4.071 1.886 2.185 4.201 - 112,500 139,700 154,000 22,220 16.42 40Double StrandRS240-2 3.000 1.875 1.875 0.374 2.850 2.457 0.937 7.531 3.618 3.913 7.811 3.457 225,000 279,400 308,000 37,770 32.23 40Triple StrandRS240-3 3.000 1.875 1.875 0.374 2.850 2.457 0.937 10.984 5.348 5.636 11.272 3.457 337,500 419,100 462,000 55,550 47.97 40Quadruple StrandRS240-4 3.000 1.875 1.875 0.374 2.850 2.457 0.937 14.453 7.079 7.374 14.732 3.457 450,000 558,800 616,000 73,320 63.72 40Quintuple StrandRS240-5 3.000 1.875 1.875 0.374 2.850 2.457 0.937 17.913 8.809 9.104 18.189 3.457 562,500 698,500 770,000 86,660 79.46 40Sextuple StrandRS240-6 3.000 1.875 1.875 0.374 2.850 2.457 0.937 21.370 10.539 10.831 21.657 3.457 675,000 838,200 924,000 102,210 95.21 40Maximum Horsepower RatingsNo. ofTeethSmallSpkt.111213Approx.Weight(lbs./ft.)5 10 15 20 25 30 40 50 60 80 100 125 150 175 200 250 300 350 400 4506.817.488.1512.713.915.218.220.121.9A23.726.028.429.031.834.734.237.540.944.348.553.054.059.464.8Maximum Speed – Small Sprocket (rpm)63.770.076.3BLubrication System82.690.799.0101111121123135148145160174168184200188207225231253276271298325C228260294188213240156Numberof linksper10 feet14151617188.849.5210.210.911.616.517.719.020.421.623.725.627.529.231.130.733.135.538.040.437.540.543.446.449.344.347.751.254.758.257.461.866.470.875.470.175.681.186.592.182.789.095.5102108107115124132141131141152161172160173185197211189204219232248217233251267284244263283302321299322345369392353380388397406329363372381390268298329359377192021222312.313.013.714.315.222.924.325.626.828.233.034.936.738.840.642.845.247.750.252.652.355.358.361.364.261.765.268.772.175.879.884.488.993.698.297.6103109114120115122128134141149157166174184182193202213224223235248261274263278292307322302319335353370339359378398418416439463487496425443463471481408424440455469393408421436448242526Remarks:15.816.517.329.530.832.242.544.446.455.157.560.167.370.473.479.482.986.51031071121261311371481541611922002091) Multiply the value given above by the multiple factor (page A-91) in order to obtain the transmission horsepower of multiple strand chain.2) For Lubrication Methods, A, B & C, refer to page A-110 for explanation. Please consult <strong>Tsubaki</strong> for use of horsepower ratings to the right of theboundary line which represents the peak torque.3) Refer to the procedures for selecting roller chain beginning on page A-90.235245256287299312338353369388405422437457477531550561504520532483496510A-24
Agricultural <strong>Roller</strong> <strong>Chain</strong>An economical choice in drive applications where the speed is low, the load is moderate or where the center is relatively long. <strong>Tsubaki</strong>double pitch agricultural drive chains are also available in stainless steel and nickel plated anti-corrosive coatings.Drive <strong>Chain</strong>TL1L2φDφRH WPPAll dimensions in inches unless otherwise stated.<strong>Roller</strong>DiameterRWidthBetweenInner LinkPlatesWLink Plate PinAverageTensileStrength(lbs.)<strong>Chain</strong>NumberPitchPThicknessTHeightHDiameterDLengthL 1 + L 2LengthL 1LengthL 2A2040 1.000 0.312 0.312 0.060 0.472 0.156 1.083 0.325 0.380 3,700A2050 1.250 0.400 0.375 0.080 0.590 0.200 1.413 0.406 0.469 6,100A2060 1.500 0.469 0.500 0.094 0.709 0.234 1.543 0.506 0.600 8,500A2080 2.000 0.625 0.625 0.125 0.906 0.312 1.543 0.640 0.754 14,500ApproximateWeight(lbs./ft.)0.260.420.631.03Number oflinks per10 feet120968060A-25