Rex Linkbelt Roller Chain Catalog - Norfolkbearings.com

No. 180 sprockets • 2.250" 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 5.879 4.473 6.782 3.14 2.000 1.250 39 27.962 26.556 29.221 70 50.151 48.745 51.4519 6.579 5.173 7.533 3.89 2.250 1.375 40 28.677 27.271 29.939 71 50.866 49.460 52.16610 7.281 5.875 8.276 4.64 2.875 1.813 41 29.393 27.987 30.656 72 51.583 50.177 52.88411 7.986 6.580 9.014 5.38 3.375 2.125 42 30.108 28.702 31.374 73 52.299 50.893 53.60012 8.693 7.287 9.747 6.11 4.000 2.500 43 30.824 29.418 32.092 74 53.015 51.609 54.31713 9.402 7.996 10.478 6.84 4.500 2.750 44 31.539 30.133 32.810 75 53.730 52.324 55.03314 10.112 8.706 11.207 7.58 5.375 3.313 45 32.255 30.849 33.527 76 54.446 53.040 55.75115 10.822 9.416 11.934 8.30 5.875 3.688 46 32.971 31.565 24.243 77 55.162 53.746 56.46616 11.533 10.127 12.661 9.03 6.250 3.875 47 33.686 32.280 34.961 78 55.879 54.473 57.18417 12.245 10.839 13.385 9.75 6.688 4.094 48 34.402 32.996 35.678 79 56.594 55.188 57.89918 12.957 11.551 14.110 10.47 7.375 4.438 49 35.118 33.712 36.396 80 57.310 55.904 58.61719 13.670 12.264 14.834 11.20 7.750 4.750 50 35.834 34.428 37.114 81 58.027 56.621 59.33320 14.383 12.977 15.557 11.92 8.250 5.000 51 36.549 35.143 37.829 82 58.743 57.337 60.05021 15.096 13.690 16.279 12.64 9.313 5.531 52 37.265 35.859 38.547 83 59.459 58.053 60.76622 15.810 14.404 16.999 13.36 53 37.981 36.575 39.265 84 60.175 58.769 61.48423 16.524 15.118 17.721 14.08 54 38.696 37.290 39.980 85 60.891 59.485 62.19924 17.238 15.832 18.441 14.80 55 39.412 38.006 40.698 86 61.607 60.201 62.91525 17.952 16.546 19.161 15.52 56 40.128 38.722 41.416 87 62.323 60.917 63.63226 18.666 17.260 19.881 16.25 57 40.844 39.438 42.131 88 63.039 61.633 64.34827 19.381 17.975 20.601 16.97 58 41.560 40.154 42.849 89 63.755 62.349 65.06628 20.096 18.690 21.319 17.69 59 42.276 40.870 43.567 90 64.471 63.065 65.78129 20.810 19.404 22.039 18.41 60 42.991 41.585 44.282 91 65.187 63.781 66.49930 21.525 20.119 22.757 19.13 61 43.707 42.301 45.000 92 65.903 64.497 67.21431 22.240 20.834 23.477 19.84 62 44.423 43.017 45.716 93 66.619 65.213 67.93232 22.955 21.549 24.194 20.56 63 45.139 43.733 46.433 94 67.335 65.929 68.64833 23.670 22.264 24.914 21.28 64 45.855 44.449 47.151 95 68.051 66.645 69.36334 24.385 22.979 25.632 22.00 65 46.571 45.165 47.867 96 68.767 67.361 70.08135 25.101 23.695 26.350 22.72 66 47.287 45.881 48.584 97 69.483 68.077 70.79636 25.816 24.410 27.068 23.44 67 48.003 46.597 49.300 98 70.199 68.793 71.51437 26.531 25.125 27.785 24.16 68 48.719 47.313 50.018 99 70.916 69.510 72.23038 27.246 25.840 28.503 24.86 69 49.435 48.029 50.733 100 71.631 70.225 72.947Larger sizes available.Hub length thru bore, inchesTooth dimensions, inchesC-32Sprocket Number Chain width, number of strandsType of teeth 1 2 3 4 5 67 to 10 2.50 5.00 7.50 10.00 12.50 15.0011 to 13 2.75 5.25 7.75 10.25 12.75 15.2514 to 17 3.00 5.50 8.00 10.50 13.00 15.5018 to 23 3.25 5.75 8.25 10.75 13.25 15.75B 24 to 34 3.50 6.00 8.50 11.00 13.50 16.0035 to 52 4.00 6.50 9.00 11.50 14.00 16.5053 to 72 4.50 7.00 9.50 12.00 14.50 17.0073 to 90 5.00 7.50 10.00 12.50 15.00 17.5091 to 100 5.50 8.00 10.50 13.00 15.50 18.0024 to 34 4.50 6.25 7.75 9.50 ... ...35 to 52 5.00 6.75 8.25 10.00 11.75 13.50C 53 to 72 5.50 7.25 8.75 10.50 12.25 14.0073 to 90 6.25 8.00 9.50 11.25 13.00 14.7591 to 100 7.00 8.75 10.25 12.00 13.75 15.50Recommended 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 strandsDimension1 2 3 4 5 6T 1.301 1.259 1.259 1.198 1.198 1.198L ... 3.851 6.443 8.974 11.566 14.158K ... 2.592 2.592 2.592 2.592 2.592Tolerances Machined sprockets................. +.000", –.020"forHot rolled plate sprockets orT and L unfinished forgings.................. +.000", –.068"