Issue link: http://www.e-digitaleditions.com/i/206043
120 ASME/ANSI Roller Chain #120 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 4.386 5.021 3.511 51 24.366 25.220 23.491 93 44.413 45.287 43.538 10 4.854 5.517 3.979 52 24.843 25.698 23.968 94 44.890 45.765 44.015 11 5.324 6.009 4.449 53 25.320 26.176 24.445 95 45.367 46.243 44.492 12 5.796 6.498 4.921 54 25.798 26.654 24.923 96 45.845 46.720 44.970 13 6.268 6.986 5.393 55 26.275 27.132 25.400 97 46.322 47.198 45.447 14 6.741 7.472 5.866 56 26.752 27.610 25.877 98 46.800 47.676 45.925 15 7.215 7.957 6.340 57 27.229 28.088 26.354 99 47.277 48.153 46.402 16 7.689 8.441 6.814 58 27.707 28.566 26.832 100 47.754 48.631 46.879 17 8.163 8.924 7.288 59 28.184 29.044 27.309 101 48.232 49.108 47.357 18 8.638 9.407 7.763 60 28.661 29.522 27.786 102 48.709 49.586 47.834 19 9.113 9.889 8.238 61 29.138 30.000 28.263 103 49.187 50.064 48.312 20 9.589 10.371 8.714 62 29.615 30.477 28.740 104 49.664 50.541 48.789 21 10.064 10.852 9.189 63 30.093 30.955 29.218 105 50.141 51.019 49.266 22 10.540 11.333 9.665 64 30.570 31.433 29.695 106 50.619 51.496 49.744 23 11.016 11.813 10.141 65 31.047 31.911 30.172 107 51.096 51.974 50.221 24 11.492 12.294 10.617 66 31.525 32.389 30.650 108 51.573 52.452 50.698 25 11.968 12.774 11.093 67 32.002 32.867 31.127 109 52.051 52.929 51.176 26 12.444 13.254 11.569 68 32.479 33.345 31.604 110 52.528 53.407 51.653 27 12.921 13.733 12.046 69 32.956 33.822 32.081 111 53.006 53.884 52.131 28 13.397 14.213 12.522 70 33.434 34.300 32.559 112 53.483 54.362 52.608 29 13.874 14.692 12.999 71 33.911 34.778 33.036 113 53.960 54.840 53.085 30 14.350 15.172 13.475 72 34.388 35.256 33.513 114 54.438 55.317 53.563 31 14.827 15.651 13.952 73 34.866 35.733 33.991 115 54.915 55.795 54.040 32 15.303 16.130 14.428 74 35.343 36.211 34.468 116 55.393 56.272 54.518 33 15.780 16.609 14.905 75 35.820 36.689 34.945 117 55.870 56.750 54.995 34 16.257 17.088 15.382 76 36.298 37.167 35.423 118 56.348 57.228 55.473 35 16.734 17.566 15.859 77 36.775 37.644 35.900 119 56.825 57.705 55.950 36 17.211 18.045 16.336 78 37.252 38.122 36.377 120 57.302 58.183 56.427 37 17.687 18.524 16.812 79 37.730 38.600 36.855 121 57.780 58.660 56.905 38 18.164 19.002 17.289 80 38.207 39.078 37.332 122 58.257 59.138 57.382 39 18.641 19.481 17.766 81 38.684 39.555 37.809 123 58.735 59.615 57.860 40 19.118 19.959 18.243 82 39.162 40.033 38.287 124 59.212 60.093 58.337 41 19.595 20.438 18.720 83 39.639 40.511 38.764 125 59.689 60.571 58.814 42 20.072 20.916 19.197 84 40.116 40.988 39.241 126 60.167 61.048 59.292 43 20.549 21.394 19.674 85 40.594 41.466 39.719 127 60.644 61.526 59.769 44 21.026 21.873 20.151 86 41.071 41.944 40.196 128 61.122 62.003 60.247 45 21.503 22.351 20.628 87 41.548 42.421 40.673 129 61.599 62.481 60.724 46 21.980 22.829 21.105 88 42.026 42.899 41.151 130 62.076 62.958 61.201 47 22.458 23.307 21.583 89 42.503 43.377 41.628 131 62.554 63.436 61.679 48 22.935 23.786 22.060 90 42.981 43.854 42.106 132 63.031 63.913 62.156 49 23.412 24.264 22.537 91 43.458 44.332 42.583 133 63.509 64.391 62.634 50 23.889 24.742 23.014 92 43.935 44.810 43.060 134 63.986 64.869 63.111 29