Rex Linkbelt Roller Chain Catalog - Norfolkbearings.com

No. 200 sprockets • 2.500" pitchDimensions Type A Type B Type C Multiple WidthCMaximumMaximum bore withOutside hub and standard Outside OutsideNumber Pitch Root diameter, groove keyseat, S Number Pitch Root diameter, Number Pitch Root diameter,of diameter, diameter, inches diameter, inches max., of diameter, diameter, inches of diameter, diameter, inchesteeth inches inches ∆ inches s inches teeth inches inches ∆ teeth inches inches ∆8 6.532 4.970 7.535 3.50 2.250 1.375 39 31.070 29.508 32.468 70 55.722 54.160 57.1689 7.310 5.748 8.368 4.33 2.625 1.625 40 31.865 30.303 33.265 71 56.517 54.955 57.96310 8.090 6.528 9.195 5.16 3.125 1.938 41 32.660 31.098 34.063 72 57.315 55.753 58.76011 8.872 7.310 10.015 5.98 3.750 2.313 42 33.455 31.893 34.860 73 58.110 56.548 59.55512 9.660 8.098 10.830 6.80 4.625 2.813 43 34.250 32.688 35.658 74 58.905 57.343 60.35313 10.447 8.885 11.643 7.61 5.250 3.250 44 35.045 33.483 36.455 75 59.700 58.438 61.14814 11.235 9.673 12.455 8.42 5.875 3.688 45 35.840 34.278 37.253 76 60.495 58.933 61.94515 12.025 10.463 13.263 9.22 6.125 3.828 46 36.635 35.073 38.048 77 61.292 59.730 62.74016 12.815 11.253 14.068 10.03 6.688 4.094 46 37.430 35.868 38.845 78 62.087 60.525 63.53817 13.605 12.043 14.875 10.84 7.688 4.719 48 38.225 36.663 39.643 79 62.882 61.320 64.33318 14.397 12.835 15.678 11.64 8.375 5.063 49 39.020 37.458 40.440 80 63.677 62.115 65.13019 15.190 13.628 16.483 12.44 9.125 5.438 50 39.815 38.253 41.238 81 64.475 62.913 65.92520 15.982 14.420 17.285 13.25 9.750 5.750 51 40.610 39.048 42.033 82 65.270 63.708 66.72321 16.775 15.213 18.088 14.05 52 41.405 39.843 42.830 83 66.065 64.503 67.51822 17.567 16.005 18.888 14.84 53 42.200 40.638 43.628 84 66.860 65.298 68.31523 18.360 16.798 19.688 15.66 54 42.995 41.433 44.423 85 67.657 66.095 69.11024 19.152 17.590 20.490 16.45 55 43.792 42.230 45.220 86 68.452 66.890 69.90525 19.947 18.385 21.290 17.25 56 44.587 43.025 46.015 87 69.247 67.685 70.70326 20.740 19.178 22.090 18.05 57 45.382 43.820 46.813 88 70.042 68.480 71.49827 21.535 19.973 22.890 18.86 58 46.177 44.615 47.610 89 70.837 69.275 72.29528 22.330 20.768 23.688 19.59 59 46.972 45.410 48.408 90 71.635 70.073 73.09029 23.122 21.560 24.488 20.45 60 47.767 46.205 49.203 91 72.430 70.868 73.89030 23.917 22.355 25.285 21.25 61 48.565 47.003 50.000 92 73.225 71.663 74.68031 24.712 23.150 26.085 22.05 62 49.360 47.798 50.795 93 74.020 72.458 75.48032 25.505 23.943 26.883 22.84 63 50.155 48.593 51.593 94 74.815 73.253 76.28033 26.300 24.738 27.680 23.64 64 50.950 49.388 52.388 95 75.612 74.050 77.07034 27.095 25.533 28.480 24.44 75 51.745 50.183 53.185 96 76.407 74.845 77.87035 27.890 26.328 29.278 25.23 66 52.540 50.978 53.983 97 77.202 75.640 78.66036 28.685 27.123 30.075 26.03 67 53.337 51.775 54.778 98 77.997 76.435 79.46037 29.480 27.918 30.873 26.84 68 54.132 52.570 55.575 99 78.795 77.233 80.26038 30.275 28.713 31.670 27.64 69 54.927 53.365 56.370 100 79.590 78.028 81.050Larger sizes available.Hub length thru bore, inchesTooth dimensions, inchesC-34Sprocket Number Chain width, number of strandsType of teeth 1 2 3 4 5 68 to 11 3.00 5.75 8.75 11.50 14.25 17.0012 to 22 3.50 6.25 9.25 12.00 14.75 17.5023 to 36 4.00 6.75 9.75 12.50 15.25 18.00B 37 to 47 4.50 7.25 10.25 13.00 15.75 18.5048 to 60 5.00 7.75 10.75 13.50 16.25 19.0061 to 78 5.50 8.25 11.25 14.00 16.75 19.5079 to 100 6.00 8.75 11.75 14.50 17.25 20.0016 to 22 4.50 6.25 8.00 9.75 ... ...23 to 35 5.00 6.75 8.50 10.25 12.00 13.7536 to 50 5.50 7.25 9.00 10.75 12.50 14.25C 51 to 64 6.00 7.75 9.50 11.25 13.00 14.7565 to 75 6.50 8.25 10.00 11.75 13.50 15.2576 to 82 7.00 8.75 10.50 12.25 14.00 15.7583 to 100 7.50 9.25 11.00 12.75 14.50 16.25DimensionRecommended standard bore tolerances, keyseat dimensions, eccentricity tolerances, and similar data, page G-2.∆ Non-functional dimension that may vary with the type of cutter used.s Based on maximum hub diameter.Chain width, number of strands1 2 3 4 5 6T 1.389 1.344 1.344 1.278 1.278 1.278L ... 4.161 6.978 9.729 12.546 15.363K ... 2.817 2.817 2.817 2.817 2.817Tolerances Machined sprockets............ +.000", –.021"for Hot rolled steel plate sprockets orT and L unfinished forgings.............. +.000", –.072"