Tables / ANSI 160
Sprocket chart 2" x 1 1/4" — ANSI 160 (32A)
Chain American ANSI B29.1 · pitch 2.000" (50.80 mm) · roller Ø 1.125" · inner width 1.242" · simplex tooth width 1.180". Dimensions in inches. Tap a row to open it in the calculator (duplex, triplex, mm, material).
| N | PD | OD | BD | CD | Max hub |
|---|---|---|---|---|---|
| 8 | 5.226 | 6.028 | 4.101 | 4.101 | 2.823 |
| 9 | 5.848 | 6.695 | 4.722 | 4.634 | 3.489 |
| 10 | 6.472 | 7.355 | 5.347 | 5.347 | 4.149 |
| 11 | 7.099 | 8.011 | 5.974 | 5.901 | 4.805 |
| 12 | 7.727 | 8.664 | 6.602 | 6.602 | 5.458 |
| 13 | 8.357 | 9.314 | 7.232 | 7.171 | 6.108 |
| 14 | 8.988 | 9.963 | 7.863 | 7.863 | 6.757 |
| 15 | 9.619 | 10.609 | 8.494 | 8.442 | 7.403 |
| 16 | 10.252 | 11.255 | 9.126 | 9.126 | 8.049 |
| 17 | 10.884 | 11.899 | 9.759 | 9.713 | 8.693 |
| 18 | 11.518 | 12.543 | 10.392 | 10.392 | 9.337 |
| 19 | 12.151 | 13.185 | 11.026 | 10.984 | 9.979 |
| 20 | 12.785 | 13.828 | 11.660 | 11.660 | 10.622 |
| 21 | 13.419 | 14.469 | 12.294 | 12.256 | 11.263 |
| 22 | 14.053 | 15.110 | 12.928 | 12.928 | 11.904 |
| 23 | 14.688 | 15.751 | 13.563 | 13.528 | 12.545 |
| 24 | 15.323 | 16.392 | 14.197 | 14.197 | 13.186 |
| 25 | 15.957 | 17.032 | 14.832 | 14.801 | 13.826 |
| 26 | 16.592 | 17.671 | 15.467 | 15.467 | 14.466 |
| 27 | 17.228 | 18.311 | 16.102 | 16.073 | 15.105 |
| 28 | 17.863 | 18.950 | 16.738 | 16.738 | 15.745 |
| 29 | 18.498 | 19.590 | 17.373 | 17.346 | 16.384 |
| 30 | 19.134 | 20.229 | 18.008 | 18.008 | 17.023 |
| 31 | 19.769 | 20.868 | 18.644 | 18.618 | 17.662 |
| 32 | 20.405 | 21.506 | 19.279 | 19.279 | 18.300 |
| 33 | 21.040 | 22.145 | 19.915 | 19.891 | 18.939 |
| 34 | 21.676 | 22.783 | 20.551 | 20.551 | 19.578 |
| 35 | 22.312 | 23.422 | 21.186 | 21.164 | 20.216 |
| 36 | 22.947 | 24.060 | 21.822 | 21.822 | 20.854 |
| 37 | 23.583 | 24.698 | 22.458 | 22.437 | 21.492 |
| 38 | 24.219 | 25.336 | 23.094 | 23.094 | 22.130 |
| 39 | 24.855 | 25.974 | 23.730 | 23.710 | 22.769 |
| 40 | 25.491 | 26.612 | 24.366 | 24.366 | 23.406 |
| 41 | 26.127 | 27.250 | 25.002 | 24.983 | 24.044 |
| 42 | 26.763 | 27.888 | 25.638 | 25.638 | 24.682 |
| 43 | 27.399 | 28.526 | 26.274 | 26.256 | 25.320 |
| 44 | 28.035 | 29.164 | 26.910 | 26.910 | 25.958 |
| 45 | 28.671 | 29.801 | 27.546 | 27.529 | 26.595 |
| 46 | 29.307 | 30.439 | 28.182 | 28.182 | 27.233 |
| 47 | 29.943 | 31.077 | 28.818 | 28.802 | 27.871 |
| 48 | 30.580 | 31.714 | 29.454 | 29.454 | 28.508 |
| 49 | 31.216 | 32.352 | 30.091 | 30.075 | 29.146 |
| 50 | 31.852 | 32.989 | 30.727 | 30.727 | 29.783 |
| 51 | 32.488 | 33.627 | 31.363 | 31.348 | 30.421 |
| 52 | 33.124 | 34.264 | 31.999 | 31.999 | 31.058 |
| 53 | 33.761 | 34.901 | 32.635 | 32.621 | 31.695 |
| 54 | 34.397 | 35.539 | 33.272 | 33.272 | 32.333 |
| 55 | 35.033 | 36.176 | 33.908 | 33.894 | 32.970 |
| 56 | 35.669 | 36.813 | 34.544 | 34.544 | 33.607 |
| 57 | 36.306 | 37.451 | 35.181 | 35.167 | 34.245 |
| 58 | 36.942 | 38.088 | 35.817 | 35.817 | 34.882 |
| 59 | 37.578 | 38.725 | 36.453 | 36.440 | 35.519 |
| 60 | 38.215 | 39.362 | 37.089 | 37.089 | 36.156 |
| 61 | 38.851 | 39.999 | 37.726 | 37.713 | 36.794 |
| 62 | 39.487 | 40.637 | 38.362 | 38.362 | 37.431 |
| 63 | 40.124 | 41.274 | 38.998 | 38.986 | 38.068 |
| 64 | 40.760 | 41.911 | 39.635 | 39.635 | 38.705 |
| 65 | 41.396 | 42.548 | 40.271 | 40.259 | 39.342 |
| 66 | 42.033 | 43.185 | 40.908 | 40.908 | 39.979 |
| 67 | 42.669 | 43.822 | 41.544 | 41.532 | 40.616 |
| 68 | 43.306 | 44.459 | 42.180 | 42.180 | 41.253 |
| 69 | 43.942 | 45.096 | 42.817 | 42.805 | 41.890 |
| 70 | 44.578 | 45.733 | 43.453 | 43.453 | 42.528 |
| 71 | 45.215 | 46.371 | 44.090 | 44.078 | 43.165 |
| 72 | 45.851 | 47.008 | 44.726 | 44.726 | 43.802 |
| 73 | 46.488 | 47.645 | 45.362 | 45.352 | 44.439 |
| 74 | 47.124 | 48.282 | 45.999 | 45.999 | 45.076 |
| 75 | 47.760 | 48.919 | 46.635 | 46.625 | 45.713 |
| 76 | 48.397 | 49.556 | 47.272 | 47.272 | 46.350 |
| 77 | 49.033 | 50.193 | 47.908 | 47.898 | 46.987 |
| 78 | 49.670 | 50.829 | 48.545 | 48.545 | 47.624 |
| 79 | 50.306 | 51.466 | 49.181 | 49.171 | 48.261 |
| 80 | 50.943 | 52.103 | 49.817 | 49.817 | 48.897 |
| 81 | 51.579 | 52.740 | 50.454 | 50.444 | 49.534 |
| 82 | 52.216 | 53.377 | 51.090 | 51.090 | 50.171 |
| 83 | 52.852 | 54.014 | 51.727 | 51.717 | 50.808 |
| 84 | 53.489 | 54.651 | 52.363 | 52.363 | 51.445 |
| 85 | 54.125 | 55.288 | 53.000 | 52.991 | 52.082 |
| 86 | 54.761 | 55.925 | 53.636 | 53.636 | 52.719 |
| 87 | 55.398 | 56.562 | 54.273 | 54.264 | 53.356 |
| 88 | 56.034 | 57.199 | 54.909 | 54.909 | 53.993 |
| 89 | 56.671 | 57.836 | 55.546 | 55.537 | 54.630 |
| 90 | 57.307 | 58.473 | 56.182 | 56.182 | 55.267 |
| 91 | 57.944 | 59.109 | 56.819 | 56.810 | 55.903 |
| 92 | 58.580 | 59.746 | 57.455 | 57.455 | 56.540 |
| 93 | 59.217 | 60.383 | 58.092 | 58.083 | 57.177 |
| 94 | 59.853 | 61.020 | 58.728 | 58.728 | 57.814 |
| 95 | 60.490 | 61.657 | 59.365 | 59.356 | 58.451 |
| 96 | 61.126 | 62.294 | 60.001 | 60.001 | 59.088 |
| 97 | 61.763 | 62.931 | 60.638 | 60.630 | 59.725 |
| 98 | 62.399 | 63.567 | 61.274 | 61.274 | 60.361 |
| 99 | 63.036 | 64.204 | 61.911 | 61.903 | 60.998 |
| 100 | 63.672 | 64.841 | 62.547 | 62.547 | 61.635 |
| 101 | 64.309 | 65.478 | 63.184 | 63.176 | 62.272 |
| 102 | 64.945 | 66.115 | 63.820 | 63.820 | 62.909 |
| 103 | 65.582 | 66.752 | 64.457 | 64.449 | 63.546 |
| 104 | 66.219 | 67.388 | 65.093 | 65.093 | 64.182 |
| 105 | 66.855 | 68.025 | 65.730 | 65.722 | 64.819 |
| 106 | 67.492 | 68.662 | 66.366 | 66.366 | 65.456 |
| 107 | 68.128 | 69.299 | 67.003 | 66.996 | 66.093 |
| 108 | 68.765 | 69.936 | 67.639 | 67.639 | 66.730 |
| 109 | 69.401 | 70.572 | 68.276 | 68.269 | 67.366 |
| 110 | 70.038 | 71.209 | 68.912 | 68.912 | 68.003 |
| 111 | 70.674 | 71.846 | 69.549 | 69.542 | 68.640 |
| 112 | 71.311 | 72.483 | 70.186 | 70.186 | 69.277 |
| 113 | 71.947 | 73.119 | 70.822 | 70.815 | 69.914 |
| 114 | 72.584 | 73.756 | 71.459 | 71.459 | 70.550 |
| 115 | 73.220 | 74.393 | 72.095 | 72.088 | 71.187 |
| 116 | 73.857 | 75.030 | 72.732 | 72.732 | 71.824 |
| 117 | 74.493 | 75.667 | 73.368 | 73.362 | 72.461 |
| 118 | 75.130 | 76.303 | 74.005 | 74.005 | 73.097 |
| 119 | 75.767 | 76.940 | 74.641 | 74.635 | 73.734 |
| 120 | 76.403 | 77.577 | 75.278 | 75.278 | 74.371 |
PD = p / sin(180°/N) · OD = p·(0.6 + cot(180°/N)) · BD = PD − roller Ø · CD = BD (even N) or PD·cos(90°/N) − roller Ø (odd N).
See also: 32B — 2" x 1 1/4"