Tables / ANSI 200
Sprocket chart 2 1/2" x 1 1/2" — ANSI 200 (40A)
Chain American ANSI B29.1 · pitch 2.500" (63.50 mm) · roller Ø 1.562" · inner width 1.490" · simplex tooth width 1.416". Dimensions in inches. Tap a row to open it in the calculator (duplex, triplex, mm, material).
| N | PD | OD | BD | CD | Max hub |
|---|---|---|---|---|---|
| 8 | 6.533 | 7.536 | 4.971 | 4.971 | 3.535 |
| 9 | 7.310 | 8.369 | 5.747 | 5.636 | 4.369 |
| 10 | 8.090 | 9.194 | 6.528 | 6.528 | 5.194 |
| 11 | 8.874 | 10.014 | 7.311 | 7.221 | 6.014 |
| 12 | 9.659 | 10.830 | 8.097 | 8.097 | 6.830 |
| 13 | 10.446 | 11.643 | 8.884 | 8.808 | 7.643 |
| 14 | 11.235 | 12.453 | 9.673 | 9.673 | 8.453 |
| 15 | 12.024 | 13.262 | 10.462 | 10.396 | 9.261 |
| 16 | 12.815 | 14.068 | 11.252 | 11.252 | 10.068 |
| 17 | 13.605 | 14.874 | 12.043 | 11.985 | 10.874 |
| 18 | 14.397 | 15.678 | 12.835 | 12.835 | 11.678 |
| 19 | 15.189 | 16.482 | 13.627 | 13.575 | 12.482 |
| 20 | 15.981 | 17.284 | 14.419 | 14.419 | 13.284 |
| 21 | 16.774 | 18.086 | 15.212 | 15.165 | 14.086 |
| 22 | 17.567 | 18.888 | 16.004 | 16.004 | 14.888 |
| 23 | 18.360 | 19.689 | 16.798 | 16.755 | 15.689 |
| 24 | 19.153 | 20.489 | 17.591 | 17.591 | 16.489 |
| 25 | 19.947 | 21.290 | 18.385 | 18.345 | 17.289 |
| 26 | 20.741 | 22.089 | 19.178 | 19.178 | 18.089 |
| 27 | 21.534 | 22.889 | 19.972 | 19.936 | 18.889 |
| 28 | 22.329 | 23.688 | 20.766 | 20.766 | 19.688 |
| 29 | 23.123 | 24.487 | 21.560 | 21.527 | 20.487 |
| 30 | 23.917 | 25.286 | 22.355 | 22.355 | 21.286 |
| 31 | 24.711 | 26.085 | 23.149 | 23.117 | 22.084 |
| 32 | 25.506 | 26.883 | 23.944 | 23.944 | 22.883 |
| 33 | 26.300 | 27.681 | 24.738 | 24.708 | 23.681 |
| 34 | 27.095 | 28.479 | 25.533 | 25.533 | 24.479 |
| 35 | 27.890 | 29.277 | 26.327 | 26.299 | 25.277 |
| 36 | 28.684 | 30.075 | 27.122 | 27.122 | 26.075 |
| 37 | 29.479 | 30.873 | 27.917 | 27.890 | 26.873 |
| 38 | 30.274 | 31.671 | 28.712 | 28.712 | 27.670 |
| 39 | 31.069 | 32.468 | 29.507 | 29.481 | 28.468 |
| 40 | 31.864 | 33.266 | 30.302 | 30.302 | 29.265 |
| 41 | 32.659 | 34.063 | 31.097 | 31.073 | 30.063 |
| 42 | 33.454 | 34.860 | 31.892 | 31.892 | 30.860 |
| 43 | 34.249 | 35.657 | 32.687 | 32.664 | 31.657 |
| 44 | 35.044 | 36.455 | 33.482 | 33.482 | 32.454 |
| 45 | 35.839 | 37.252 | 34.277 | 34.255 | 33.252 |
| 46 | 36.634 | 38.049 | 35.072 | 35.072 | 34.049 |
| 47 | 37.429 | 38.846 | 35.867 | 35.846 | 34.846 |
| 48 | 38.224 | 39.643 | 36.662 | 36.662 | 35.643 |
| 49 | 39.020 | 40.440 | 37.457 | 37.437 | 36.439 |
| 50 | 39.815 | 41.236 | 38.253 | 38.253 | 37.236 |
| 51 | 40.610 | 42.033 | 39.048 | 39.029 | 38.033 |
| 52 | 41.405 | 42.830 | 39.843 | 39.843 | 38.830 |
| 53 | 42.201 | 43.627 | 40.639 | 40.620 | 39.627 |
| 54 | 42.996 | 44.423 | 41.434 | 41.434 | 40.423 |
| 55 | 43.791 | 45.220 | 42.229 | 42.211 | 41.220 |
| 56 | 44.587 | 46.017 | 43.025 | 43.025 | 42.016 |
| 57 | 45.382 | 46.813 | 43.820 | 43.803 | 42.813 |
| 58 | 46.178 | 47.610 | 44.615 | 44.615 | 43.610 |
| 59 | 46.973 | 48.406 | 45.411 | 45.394 | 44.406 |
| 60 | 47.768 | 49.203 | 46.206 | 46.206 | 45.203 |
| 61 | 48.564 | 49.999 | 47.002 | 46.985 | 45.999 |
| 62 | 49.359 | 50.796 | 47.797 | 47.797 | 46.796 |
| 63 | 50.155 | 51.592 | 48.592 | 48.577 | 47.592 |
| 64 | 50.950 | 52.389 | 49.388 | 49.388 | 48.389 |
| 65 | 51.746 | 53.185 | 50.183 | 50.168 | 49.185 |
| 66 | 52.541 | 53.981 | 50.979 | 50.979 | 49.981 |
| 67 | 53.336 | 54.778 | 51.774 | 51.760 | 50.778 |
| 68 | 54.132 | 55.574 | 52.570 | 52.570 | 51.574 |
| 69 | 54.927 | 56.371 | 53.365 | 53.351 | 52.370 |
| 70 | 55.723 | 57.167 | 54.161 | 54.161 | 53.167 |
| 71 | 56.518 | 57.963 | 54.956 | 54.942 | 53.963 |
| 72 | 57.314 | 58.759 | 55.752 | 55.752 | 54.759 |
| 73 | 58.109 | 59.556 | 56.547 | 56.534 | 55.556 |
| 74 | 58.905 | 60.352 | 57.343 | 57.343 | 56.352 |
| 75 | 59.701 | 61.148 | 58.138 | 58.125 | 57.148 |
| 76 | 60.496 | 61.944 | 58.934 | 58.934 | 57.944 |
| 77 | 61.292 | 62.741 | 59.729 | 59.717 | 58.741 |
| 78 | 62.087 | 63.537 | 60.525 | 60.525 | 59.537 |
| 79 | 62.883 | 64.333 | 61.321 | 61.308 | 60.333 |
| 80 | 63.678 | 65.129 | 62.116 | 62.116 | 61.129 |
| 81 | 64.474 | 65.925 | 62.912 | 62.900 | 61.925 |
| 82 | 65.269 | 66.722 | 63.707 | 63.707 | 62.721 |
| 83 | 66.065 | 67.518 | 64.503 | 64.491 | 63.518 |
| 84 | 66.861 | 68.314 | 65.298 | 65.298 | 64.314 |
| 85 | 67.656 | 69.110 | 66.094 | 66.082 | 65.110 |
| 86 | 68.452 | 69.906 | 66.890 | 66.890 | 65.906 |
| 87 | 69.247 | 70.702 | 67.685 | 67.674 | 66.702 |
| 88 | 70.043 | 71.498 | 68.481 | 68.481 | 67.498 |
| 89 | 70.839 | 72.295 | 69.276 | 69.265 | 68.294 |
| 90 | 71.634 | 73.091 | 70.072 | 70.072 | 69.091 |
| 91 | 72.430 | 73.887 | 70.868 | 70.857 | 69.887 |
| 92 | 73.226 | 74.683 | 71.663 | 71.663 | 70.683 |
| 93 | 74.021 | 75.479 | 72.459 | 72.448 | 71.479 |
| 94 | 74.817 | 76.275 | 73.255 | 73.255 | 72.275 |
| 95 | 75.612 | 77.071 | 74.050 | 74.040 | 73.071 |
| 96 | 76.408 | 77.867 | 74.846 | 74.846 | 73.867 |
| 97 | 77.204 | 78.663 | 75.641 | 75.631 | 74.663 |
| 98 | 77.999 | 79.459 | 76.437 | 76.437 | 75.459 |
| 99 | 78.795 | 80.255 | 77.233 | 77.223 | 76.255 |
| 100 | 79.591 | 81.051 | 78.028 | 78.028 | 77.051 |
| 101 | 80.386 | 81.847 | 78.824 | 78.814 | 77.847 |
| 102 | 81.182 | 82.643 | 79.620 | 79.620 | 78.643 |
| 103 | 81.978 | 83.439 | 80.415 | 80.406 | 79.439 |
| 104 | 82.773 | 84.235 | 81.211 | 81.211 | 80.235 |
| 105 | 83.569 | 85.031 | 82.007 | 81.997 | 81.031 |
| 106 | 84.364 | 85.827 | 82.802 | 82.802 | 81.827 |
| 107 | 85.160 | 86.623 | 83.598 | 83.589 | 82.623 |
| 108 | 85.956 | 87.419 | 84.394 | 84.394 | 83.419 |
| 109 | 86.751 | 88.215 | 85.189 | 85.180 | 84.215 |
| 110 | 87.547 | 89.011 | 85.985 | 85.985 | 85.011 |
| 111 | 88.343 | 89.807 | 86.781 | 86.772 | 85.807 |
| 112 | 89.138 | 90.603 | 87.576 | 87.576 | 86.603 |
| 113 | 89.934 | 91.399 | 88.372 | 88.363 | 87.399 |
| 114 | 90.730 | 92.195 | 89.168 | 89.168 | 88.195 |
| 115 | 91.525 | 92.991 | 89.963 | 89.955 | 88.991 |
| 116 | 92.321 | 93.787 | 90.759 | 90.759 | 89.787 |
| 117 | 93.117 | 94.583 | 91.555 | 91.546 | 90.583 |
| 118 | 93.913 | 95.379 | 92.350 | 92.350 | 91.379 |
| 119 | 94.708 | 96.175 | 93.146 | 93.138 | 92.175 |
| 120 | 95.504 | 96.971 | 93.942 | 93.942 | 92.971 |
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: 40B — 2 1/2" x 1 1/2"