Issue link: http://www.e-digitaleditions.com/i/206043
80 ASME/ANSI Roller Chain #80 Sprocket Diameters No. Pitch Outside Bottom No. Pitch Outside Bottom No. Pitch Outside Bottom Te e th Diame te r Diame te r Diame te r Te e th Diame te r Diame te r Diame te r Te e th Diame te r Diame te r Diame te r 9 2.924 3.347 2.299 51 16.244 16.813 15.619 93 29.608 30.192 28.983 10 3.236 3.678 2.611 52 16.562 17.132 15.937 94 29.927 30.510 29.302 11 3.549 4.006 2.924 53 16.880 17.451 16.255 95 30.245 30.828 29.620 12 3.864 4.332 3.239 54 17.198 17.769 16.573 96 30.563 31.147 29.938 13 4.179 4.657 3.554 55 17.517 18.088 16.892 97 30.881 31.465 30.256 14 4.494 4.981 3.869 56 17.835 18.407 17.210 98 31.200 31.784 30.575 15 4.810 5.305 4.185 57 18.153 18.725 17.528 99 31.518 32.102 30.893 16 5.126 5.627 4.501 58 18.471 19.044 17.846 100 31.836 32.421 31.211 17 5.442 5.950 4.817 59 18.789 19.363 18.164 101 32.154 32.739 31.529 18 5.759 6.271 5.134 60 19.107 19.681 18.482 102 32.473 33.057 31.848 19 6.076 6.593 5.451 61 19.425 20.000 18.800 103 32.791 33.376 32.166 20 6.392 6.914 5.767 62 19.744 20.318 19.119 104 33.109 33.694 32.484 21 6.710 7.235 6.085 63 20.062 20.637 19.437 105 33.428 34.013 32.803 22 7.027 7.555 6.402 64 20.380 20.955 19.755 106 33.746 34.331 33.121 23 7.344 7.876 6.719 65 20.698 21.274 20.073 107 34.064 34.649 33.439 24 7.661 8.196 7.036 66 21.016 21.593 20.391 108 34.382 34.968 33.757 25 7.979 8.516 7.354 67 21.335 21.911 20.710 109 34.701 35.286 34.076 26 8.296 8.836 7.671 68 21.653 22.230 21.028 110 35.019 35.605 34.394 27 8.614 9.156 7.989 69 21.971 22.548 21.346 111 35.337 35.923 34.712 28 8.931 9.475 8.306 70 22.289 22.867 21.664 112 35.655 36.241 35.030 29 9.249 9.795 8.624 71 22.607 23.185 21.982 113 35.974 36.560 35.349 30 9.567 10.114 8.942 72 22.926 23.504 22.301 114 36.292 36.878 35.667 31 9.885 10.434 9.260 73 23.244 23.822 22.619 115 36.610 37.197 35.985 32 10.202 10.753 9.577 74 23.562 24.141 22.937 116 36.928 37.515 36.303 33 10.520 11.072 9.895 75 23.880 24.459 23.255 117 37.247 37.833 36.622 34 10.838 11.392 10.213 76 24.198 24.778 23.573 118 37.565 38.152 36.940 35 11.156 11.711 10.531 77 24.517 25.096 23.892 119 37.883 38.470 37.258 36 11.474 12.030 10.849 78 24.835 25.415 24.210 120 38.202 38.788 37.577 37 11.792 12.349 11.167 79 25.153 25.733 24.528 121 38.520 39.107 37.895 38 12.110 12.668 11.485 80 25.471 26.052 24.846 122 38.838 39.425 38.213 39 12.428 12.987 11.803 81 25.790 26.370 25.165 123 39.156 39.744 38.531 40 12.745 13.306 12.120 82 26.108 26.689 25.483 124 39.475 40.062 38.850 41 13.063 13.625 12.438 83 26.426 27.007 25.801 125 39.793 40.380 39.168 42 13.381 13.944 12.756 84 26.744 27.326 26.119 126 40.111 40.699 39.486 43 13.700 14.263 13.075 85 27.063 27.644 26.438 127 40.429 41.017 39.804 44 14.018 14.582 13.393 86 27.381 27.962 26.756 128 40.748 41.335 40.123 45 14.336 14.901 13.711 87 27.699 28.281 27.074 129 41.066 41.654 40.441 46 14.654 15.219 14.029 88 28.017 28.599 27.392 130 41.384 41.972 40.759 47 14.972 15.538 14.347 89 28.335 28.918 27.710 131 41.703 42.291 41.078 48 15.290 15.857 14.665 90 28.654 29.236 28.029 132 42.021 42.609 41.396 49 15.608 16.176 14.983 91 28.972 29.555 28.347 133 42.339 42.927 41.714 50 15.926 16.495 15.301 92 29.290 29.873 28.665 134 42.657 43.246 42.032 25