4 ” Pitch
8 ” Pitch
2 ” Pitch
8 ” Pitch
4 ” Pitch
RS80 1 ” Pitch
RS25 1 ⁄
RS35
3 ⁄
RS40, RS41
1 ⁄
RS50
5 ⁄
RS60
3 ⁄
No. of Teeth
Outside Dia. ❈
Outside Dia. ❈
Outside Dia. ❈ 10.478 10.637 10.796 10.956 11.115 11.274 11.434 11.593 11.752 11.911 12.071 12.229 12.389 12.548 12.708 12.867 13.026 13.185 13.345 13.504 13.663 13.822 13.981 14.141 14.299 14.459 14.618 14.777 14.937 15.096 15.255 15.414 15.573 15.733 15.892 16.051 16.210 16.370 16.529 16.688 16.847 17.006 17.166 17.325 17.484 17.643 17.803 17.962 18.122 18.280 18.440 18.597 18.757 18.917 19.077 19.235 19.394
Outside Dia. ❈ 13.097 13.296 13.495 13.694 13.893 14.092 14.292 14.491 14.690 14.889 15.088 15.287 15.486 15.685 15.884 16.083 16.282 16.481 16.681 16.879 17.079 17.277 17.476 17.676 17.874 18.074 18.272 18.471 18.671 18.869 19.069 19.267 19.466 19.666 19.864 20.064 20.262 20.462 20.661 20.860 21.059 21.258 21.457 21.656 21.854 22.054 22.253 22.452 22.651 22.850 23.049 23.246 23.447 23.647 23.846 24.045 24.243
Outside Dia. ❈ 15.716 15.955 16.194 16.433 16.672 16.911 17.150 17.388 17.628 17.866 18.105 18.344 18.583 18.822 19.061 19.299 19.539 19.777 20.016 20.255 20.494 20.733 20.791 21.210 21.449 21.688 21.927 22.165 22.404 22.643 22.882 23.121 23.359 23.598 23.837 24.076 24.315 24.554 24.793 25.032 25.271 25.510 25.749 25.987 26.226 26.465 26.704 26.943 27.182 27.421 27.660 27.896 28.136 28.376 28.615 28.853 29.091
Outside Dia. ❈ 20.955 21.274 21.593 21.911 22.230 22.548 22.867 23.185 23.504 23.822 24.141 24.459 24.778 25.096 25.415 25.733 26.052 26.370 26.689 27.007 27.326 27.644 27.962 28.281 28.599 28.918 29.236 29.554 29.873 30.191 30.510 30.828 31.146 31.465 31.783 32.102 32.420 32.739 33.058 33.376 33.695 34.013 34.332 34.650 34.968 35.287 35.605 35.924 36.243 36.561 36.879 37.194 37.515 37.835 38.135 38.471 38.789
Pitch Dia.
Pitch Dia.
Pitch Dia.
Pitch Dia.
Pitch Dia.
Pitch Dia.
64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98
5.095 5.175 5.254 5.334 5.413 5.493 5.572 5.652 5.732 5.811 5.891 5.970 6.050 6.129 6.209 6.288 6.368 6.448 6.527 6.607 6.686 6.766 6.845 6.925 7.004 7.084 7.164 7.243 7.323 7.402 7.482 7.561 7.641 7.720 7.800 7.880 7.959 8.039 8.118 8.198 8.277 8.357 8.437 8.516 8.596 8.675 8.755 8.834 8.914 8.994 9.073 9.153 9.232 9.312 9.391 9.471 9.550
5.239 5.319 5.398 5.478 5.558 5.637 5.717 5.796 5.876 5.956 6.035 6.115 6.195 6.274 6.354 6.433 6.513 6.593 6.672 6.752 6.832 6.911 6.991 7.070 7.150 7.230 7.309 7.389 7.468 7.548 7.628 7.707 7.787 7.866 7.946 8.026 8.105 8.185 8.264 8.344 8.424 8.503 8.583 8.662 8.742 8.822 8.901 8.981 9.060 9.140 9.220 9.299 9.379 9.458 9.538 9.662 9.679
7.642 7.762 7.881 8.000 8.120 8.239 8.358 8.478 8.597 8.716 8.836 8.955 9.074 9.194 9.313 9.432 9.552 9.671 9.790 9.910
7.858 7.978 8.097 8.217 8.336 8.456 8.575 8.694 8.814 8.933 9.053 9.172 9.292 9.411 9.531 9.650 9.770 9.889
10.190 10.349 10.508 10.667 10.826 10.986 11.145 11.304 11.463 11.622 11.781 11.940 12.099 12.258 12.417 12.577 12.736 12.895 13.054 13.213 13.372 13.531 13.690 13.849 14.009 14.168 14.327 14.486 14.645 14.804 14.963 15.122 15.282 15.441 15.600 15.759 15.918 16.077 16.236 16.395 16.555 16.714 16.873 17.032 17.191 17.350 17.509 17.669 17.828 17.987 18.146 18.305 18.464 18.623 18.783 18.942 19.101
12.738 12.936 13.135 13.334 13.533 13.732 13.931 14.130 14.328 14.527 14.726 14.925 15.124 15.323 15.522 15.721 15.920 16.118 16.317 16.516 16.715 16.914 17.113 17.312 17.511 17.710 17.909 18.107 18.306 18.505 18.704 18.903 19.102 19.301 19.500 19.699 19.898 20.097 20.295 20.494 20.693 20.892 21.091 21.290 21.489 21.688 21.887 22.086 22.285 22.484 22.682 22.881 23.080 23.279 23.478 23.677 23.876
15.285 15.524 15.762 16.001 16.240 16.478 16.717 16.956 17.194 17.433 17.672 17.910 18.149 18.387 18.626 18.865 19.104 19.342 19.581 19.820 20.058 20.297 20.536 20.774 21.013 21.252 21.490 21.729 21.968 22.206 22.445 22.684 22.922 23.161 23.400 23.638 23.877 24.116 24.355 24.593 24.832 25.071 25.309 25.548 25.787 26.025 26.264 26.503 26.742 26.980 27.219 27.458 27.696 27.935 28.174 28.413 28.651
20.380 20.698 21.016 21.335 21.653 21.971 22.289 22.607 22.926 23.244 23.562 23.880 24.198 24.517 24.835 25.153 25.471 25.790 26.108 26.426 26.744 27.063 27.381 27.699 28.017 28.335 28.654 28.972 29.290 29.608 29.927 30.245 30.563 30.881 31.200 31.518 31.836 32.154 32.473 32.791 33.109 33.428 33.746 34.064 34.382 34.701 35.019 35.337 35.655 35.974 36.292 36.610 36.929 37.247 37.565 37.883 38.202
10.008 10.128 10.247 10.367 10.486 10.605 10.725 10.844 10.964 11.083 11.202 11.322 11.441 11.561 11.680 11.799 11.919 12.038 12.158 12.277 12.396 12.516 12.635 12.755 12.874 12.994 13.113 13.232 13.352 13.471 13.591 13.710 13.830 13.948 14.068 14.187 14.307 14.427 14.545
10.029 10.148 10.268 10.387 10.506 10.626 10.745 10.864 10.984 11.103 11.223 11.342 11.461 11.581 11.700 11.819 11.939 12.058 12.177 12.297 12.416 12.535 12.655 12.774 12.893 13.013 13.132 13.251 13.371 13.490 13.609 13.729 13.848 13.968 14.087 14.206 14.326
99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120
❈ Outside diameter dimensions are nominal.
Note: Bottom diameter = pitch diameter – chain roller diameter
A-80
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