SPROCKET PITCH DIAMETERS
      CHAINS      
*Sprocket Number    
**Sprocket Tooth Thickness at Pitch Line   45 62 WHX132
      ROLLER CHAIN SIZES               945 62A WHX150
NO. #35 #40 #50 #60 #80 #100 #120 #140 #160 #180 #200 #240 955 R362 D60 81X WHX155
OF     CHAIN PITCH LENGTH               NH45 R432 WH260 WH78 WH82 WHX124 WHX157
TEETH 0.375 0.500 0.625 0.750 1.000 1.250 1.500 1.750 2.000 2.250 2.500 3.000 1.630 1.654 2.307 2.609 3.075 4.000 6.050
  45 62 D60 78 103 H124 132
** 0.168 0.284 0.343 0.459 0.575 0.692 0.924 0.924 1.156       0.687 0.812 0.938 0.937 1.125 1.5 2.75
3 0.433 0.577 0.722 0.866 1.155 1.443 1.732 2.021 2.309 2.598 2.887 3.464 1.882 1.910 2.664 3.013 3.551 4.619 6.986
4 0.530 0.707 0.884 1.061 1.414 1.768 2.121 2.475 2.828 3.182 3.536 4.243 2.305 2.339 3.263 3.690 4.349 5.657 8.556
5 0.638 0.851 1.063 1.276 1.701 2.127 2.552 2.977 3.403 3.828 4.253 5.104 2.773 2.814 3.925 4.439 5.232 6.805 10.293
6 0.750 1.000 1.250 1.500 2.000 2.500 3.000 3.500 4.000 4.500 5.000 6.000 3.260 3.308 4.614 5.218 6.150 8.000 12.100
7 0.864 1.152 1.440 1.729 2.305 2.881 3.457 4.033 4.610 5.186 5.762 6.914 3.757 3.812 5.317 6.013 7.087 9.219 13.944
8 0.980 1.307 1.633 1.960 2.613 3.266 3.920 4.573 5.226 5.880 6.533 7.839 4.259 4.322 6.028 6.818 8.035 10.453 15.809
9 1.096 1.462 1.827 2.193 2.924 3.655 4.386 5.117 5.848 6.579 7.310 8.771 4.766 4.836 6.745 7.628 8.991 11.695 17.689
10 1.214 1.618 2.023 2.427 3.236 4.045 4.854 5.663 6.472 7.281 8.090 9.708 5.275 5.352 7.466 8.443 9.951 12.944 19.578
11 1.331 1.775 2.218 2.662 3.549 4.437 5.324 6.212 7.099 7.986 8.874 10.648 5.786 5.871 8.189 9.261 10.915 14.198 21.474
12 1.449 1.932 2.415 2.898 3.864 4.830 5.796 6.761 7.727 8.693 9.659 11.591 6.298 6.391 8.914 10.080 11.881 15.455 23.375
13 1.567 2.089 2.612 3.134 4.179 5.223 6.268 7.313 8.357 9.402 10.446 12.536 6.811 6.911 9.640 10.902 12.849 16.714 25.280
14 1.685 2.247 2.809 3.370 4.494 5.617 6.741 7.864 8.988 10.111 11.235 13.482 7.325 7.433 10.368 11.725 13.819 17.976 27.188
15 1.804 2.405 3.006 3.607 4.810 6.012 7.215 8.417 9.619 10.822 12.024 14.429 7.840 7.955 11.096 12.549 14.790 19.239 29.099
16 1.922 2.563 3.204 3.844 5.126 6.407 7.689 8.970 10.252 11.533 12.815 15.377 8.355 8.478 11.825 13.373 15.762 20.503 31.011
17 2.041 2.721 3.401 4.082 5.442 6.803 8.163 9.524 10.884 12.245 13.605 16.327 8.871 9.001 12.555 14.199 16.735 21.769 32.925
18 2.160 2.879 3.599 4.319 5.759 7.198 8.638 10.078 11.518 12.957 14.397 17.276 9.387 9.525 13.285 15.025 17.708 23.035 34.841
19 2.278 3.038 3.797 4.557 6.076 7.594 9.113 10.632 12.151 13.670 15.189 18.227 9.903 10.049 14.016 15.851 18.682 24.302 36.757
20 2.397 3.196 3.995 4.794 6.392 7.991 9.589 11.187 12.785 14.383 15.981 19.177 10.420 10.573 14.747 16.678 19.657 25.570 38.674
21 2.516 3.355 4.193 5.032 6.710 8.387 10.064 11.742 13.419 15.096 16.774 20.129 10.936 11.098 15.479 17.505 20.632 26.838 40.593
22 2.635 3.513 4.392 5.270 7.027 8.783 10.540 12.297 14.053 15.810 17.567 21.080 11.453 11.622 16.211 18.333 21.607 28.107 42.511
23 2.754 3.672 4.590 5.508 7.344 9.180 11.016 12.852 14.688 16.524 18.360 22.032 11.971 12.147 16.942 19.160 22.583 29.376 44.431
24 2.873 3.831 4.788 5.746 7.661 9.577 11.492 13.407 15.323 17.238 19.153 22.984 12.488 12.672 17.675 19.988 23.558 30.645 46.351
25 2.992 3.989 4.987 5.984 7.979 9.973 11.968 13.963 15.957 17.952 19.947 23.936 13.005 13.197 18.407 20.817 24.535 31.915 48.271
26 3.111 4.148 5.185 6.222 8.296 10.370 12.444 14.518 16.592 18.667 20.741 24.889 13.523 13.722 19.139 21.645 25.511 33.185 50.192
27 3.230 4.307 5.384 6.460 8.614 10.767 12.921 15.074 17.228 19.381 21.534 25.841 14.040 14.247 19.872 22.473 26.487 34.455 52.113
28 3.349 4.466 5.582 6.699 8.931 11.164 13.397 15.630 17.863 20.096 22.329 26.794 14.558 14.773 20.605 23.302 27.464 35.726 54.035
29 3.468 4.625 5.781 6.937 9.249 11.561 13.874 16.186 18.498 20.810 23.123 27.747 15.076 15.298 21.338 24.131 28.441 36.996 55.957
30 3.588 4.783 5.979 7.175 9.567 11.958 14.350 16.742 19.134 21.525 23.917 28.700 15.594 15.823 22.071 24.960 29.418 38.267 57.879
31 3.707 4.942 6.178 7.413 9.885 12.356 14.827 17.298 19.769 22.240 24.711 29.654 16.112 16.349 22.804 25.789 30.395 39.538 59.801
32 3.826 5.101 6.376 7.652 10.202 12.753 15.303 17.854 20.405 22.955 25.506 30.607 16.630 16.875 23.537 26.618 31.372 40.809 61.724
33 3.945 5.260 6.575 7.890 10.520 13.150 15.780 18.410 21.040 23.670 26.300 31.560 17.148 17.400 24.270 27.447 32.349 42.080 63.647
34 4.064 5.419 6.774 8.128 10.838 13.547 16.257 18.966 21.676 24.385 27.095 32.514 17.666 17.926 25.003 28.276 33.327 43.352 65.570
35 4.183 5.578 6.972 8.367 11.156 13.945 16.734 19.523 22.312 25.101 27.890 33.467 18.184 18.452 25.736 29.106 34.304 44.623 67.493
36 4.303 5.737 7.171 8.605 11.474 14.342 17.211 20.079 22.947 25.816 28.684 34.421 18.702 18.978 26.470 29.935 35.282 45.895 69.416
37 4.422 5.896 7.370 8.844 11.792 14.740 17.687 20.635 23.583 26.531 29.479 35.375 19.220 19.503 27.203 30.764 36.259 47.167 71.339
38 4.541 6.055 7.568 9.082 12.110 15.137 18.164 21.192 24.219 27.247 30.274 36.329 19.739 20.029 27.937 31.594 37.237 48.438 73.263
39 4.660 6.214 7.767 9.321 12.428 15.534 18.641 21.748 24.855 27.962 31.069 37.283 20.257 20.555 28.670 32.423 38.215 49.710 75.187
40 4.780 6.373 7.966 9.559 12.745 15.932 19.118 22.305 25.491 28.677 31.864 38.236 20.775 21.081 29.404 33.253 39.192 50.982 77.110
41 4.899 6.532 8.165 9.798 13.063 16.329 19.595 22.861 26.127 29.393 32.659 39.190 21.293 21.607 30.137 34.083 40.170 52.254 79.034
42 5.018 6.691 8.363 10.036 13.381 16.727 20.072 23.418 26.763 30.108 33.454 40.144 21.812 22.133 30.871 34.912 41.148 53.526 80.958
43 5.137 6.850 8.562 10.275 13.700 17.124 20.549 23.974 27.399 30.824 34.249 41.099 22.330 22.659 31.605 35.742 42.126 54.798 82.882
44 5.257 7.009 8.761 10.513 14.018 17.522 21.026 24.531 28.035 31.539 35.044 42.053 22.849 23.185 32.338 36.572 43.104 56.070 84.806
45 5.376 7.168 8.960 10.752 14.336 17.919 21.503 25.087 28.671 32.255 35.839 43.007 23.367 23.711 33.072 37.402 44.082 57.342 86.730
46 5.495 7.327 9.159 10.990 14.654 18.317 21.980 25.644 29.307 32.971 36.634 43.961 23.885 24.237 33.806 38.231 45.060 58.615 88.655
47 5.614 7.486 9.357 11.229 14.972 18.715 22.458 26.200 29.943 33.686 37.429 44.915 24.404 24.763 34.540 39.061 46.038 59.887 90.579
48 5.734 7.645 9.556 11.467 15.290 19.112 22.935 26.757 30.580 34.402 38.224 45.869 24.922 25.289 35.274 39.891 47.016 61.159 92.503
49 5.853 7.804 9.755 11.706 15.608 19.510 23.412 27.314 31.216 35.118 39.020 46.824 25.441 25.815 36.007 40.721 47.994 62.432 94.428
50 5.972 7.963 9.954 11.944 15.926 19.907 23.889 27.870 31.852 35.833 39.815 47.778 25.959 26.342 36.741 41.551 48.972 63.704 96.352
52 6.211 8.281 10.351 12.422 16.562 20.703 24.843 28.984 33.124 37.265 41.405 49.687 26.996 27.394 38.209 43.211 50.929 66.249 100.201
54 6.449 8.599 10.749 12.899 17.198 21.498 25.798 30.097 34.397 38.696 42.996 51.595 28.033 28.446 39.677 44.871 52.885 68.794 104.051
56 6.688 8.917 11.147 13.376 17.835 22.293 26.752 31.211 35.669 40.128 44.587 53.504 29.071 29.499 41.145 46.531 54.842 71.339 107.900
58 6.927 9.236 11.544 13.853 18.471 23.089 27.707 32.324 36.942 41.560 46.178 55.413 30.108 30.551 42.613 48.191 56.798 73.884 111.750
60 7.165 9.554 11.942 14.330 19.107 23.884 28.661 33.438 38.215 42.991 47.768 57.322 31.145 31.604 44.081 49.851 58.755 76.429 115.599
62 7.404 9.872 12.340 14.808 19.744 24.680 29.615 34.551 39.487 44.423 49.359 59.231 32.182 32.656 45.549 51.511 60.712 78.975 119.449
64 7.643 10.190 12.738 15.285 20.380 25.475 30.570 35.665 40.760 45.855 50.950 61.140 33.219 33.709 47.017 53.171 62.669 81.520 123.299
66 7.881 10.508 13.135 15.762 21.016 26.270 31.525 36.779 42.033 47.287 52.541 63.049 34.257 34.761 48.485 54.832 64.625 84.066 127.149
68 8.120 10.826 13.533 16.240 21.653 27.066 32.479 37.892 43.306 48.719 54.132 64.958 35.294 35.814 49.953 56.492 66.582 86.611 130.999
70 8.358 11.145 13.931 16.717 22.289 27.861 33.434 39.006 44.578 50.151 55.723 66.868 36.331 36.866 51.421 58.152 68.539 89.157 134.850
72 8.597 11.463 14.328 17.194 22.926 28.657 34.388 40.120 45.851 51.583 57.314 68.777 37.369 37.919 52.889 59.813 70.496 91.702 138.700
74 8.836 11.781 14.726 17.672 23.562 29.453 35.343 41.234 47.124 53.015 58.905 70.686 38.406 38.972 54.358 61.473 72.453 94.248 142.550
76 9.074 12.099 15.124 18.149 24.198 30.248 36.298 42.347 48.397 54.446 60.496 72.595 39.443 40.024 55.826 63.134 74.410 96.794 146.401
78 9.313 12.417 15.522 18.626 24.835 31.044 37.252 43.461 49.670 55.878 62.087 74.505 40.481 41.077 57.294 64.794 76.367 99.340 150.251
80 9.552 12.736 15.920 19.104 25.471 31.839 38.207 44.575 50.943 57.311 63.678 76.414 41.518 42.130 58.762 66.455 78.324 101.885 154.102
82 9.790 13.054 16.317 19.581 26.108 32.635 39.162 45.689 52.216 58.743 65.269 78.323 42.556 43.182 60.231 68.115 80.281 104.431 157.952
84 10.029 13.372 16.715 20.058 26.744 33.430 40.116 46.802 53.489 60.175 66.861 80.233 43.593 44.235 61.699 69.776 82.239 106.977 161.803
86 10.268 13.690 17.113 20.536 27.381 34.226 41.071 47.916 54.761 61.607 68.452 82.142 44.631 45.288 63.167 71.436 84.196 109.523 165.653
88 10.506 14.009 17.511 21.013 28.017 35.022 42.026 49.030 56.034 63.039 70.043 84.052 45.668 46.340 64.636 73.097 86.153 112.069 169.504
90 10.745 14.327 17.909 21.490 28.654 35.817 42.981 50.144 57.307 64.471 71.634 85.961 46.706 47.393 66.104 74.758 88.110 114.615 173.355
92 10.984 14.645 18.306 21.968 29.290 36.613 43.935 51.258 58.580 65.903 73.226 87.871 47.743 48.446 67.572 76.418 90.067 117.161 177.206
94 11.223 14.963 18.704 22.445 29.927 37.408 44.890 52.372 59.853 67.335 74.817 89.780 48.781 49.499 69.041 78.079 92.025 119.707 181.057
96 11.461 15.282 19.102 22.922 30.563 38.204 45.845 53.486 61.126 68.767 76.408 91.690 49.818 50.552 70.509 79.739 93.982 122.253 184.907
98 11.700 15.600 19.500 23.400 31.200 39.000 46.800 54.599 62.399 70.199 77.999 93.599 50.856 51.604 71.978 81.400 95.939 124.799 188.758
100 11.939 15.918 19.898 23.877 31.836 39.795 47.754 55.713 63.672 71.632 79.591 95.509 51.893 52.657 73.446 83.061 97.896 127.345 192.609
102 12.177 16.236 20.295 24.355 32.473 40.591 48.709 56.827 64.945 73.064 81.182 97.418 52.931 53.710 74.915 84.721 99.854 129.891 196.460
104 12.416 16.555 20.693 24.832 33.109 41.387 49.664 57.941 66.219 74.496 82.773 99.328 53.968 54.763 76.383 86.382 101.811 132.437 200.311
106 12.655 16.873 21.091 25.309 33.746 42.182 50.619 59.055 67.492 75.928 84.364 101.237 55.006 55.816 77.852 88.043 103.768 134.983 204.162
108 12.893 17.191 21.489 25.787 34.382 42.978 51.573 60.169 68.765 77.360 85.956 103.147 56.043 56.868 79.320 89.703 105.726 137.529 208.013
110 13.132 17.509 21.887 26.264 35.019 43.774 52.528 61.283 70.038 78.792 87.547 105.057 57.081 57.921 80.788 91.364 107.683 140.075 211.864
112 13.371 17.828 22.285 26.742 35.655 44.569 53.483 62.397 71.311 80.225 89.138 106.966 58.118 58.974 82.257 93.025 109.640 142.622 215.715