General Catalog

U.S. TSUBAKI ENGINEERING INFORMATION

ASME/ANSI SPROCKET DIMENSIONS

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. ❈

Pitch Dia.

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63

.731 .809 .887 .966 1.045 1.123 1.202 1.281 1.361 1.440 1.519 1.598 1.677 1.757 1.836 1.915 1.995 2.074 2.153 2.233 2.312 2.392 2.471 2.551 2.630 2.710 2.789 2.869 2.948 3.028 3.107 3.187 3.266 3.346 3.425 3.505 3.584 3.664 3.743 3.823 3.902 3.982 4.061 4.141 4.220 4.330 4.379 4.459 4.538 4.618 4.697 4.777 4.857 4.936 5.016

.837 .919

1.096 1.214 1.331 1.449 1.567 1.685 1.804 1.922 2.041 2.159 2.278 2.397 2.516 2.635 2.754 2.873 2.992 3.111 3.230 3.349 3.468 3.588 3.707 3.826 3.945 4.064 4.183 4.303 4.422 4.541 4.660 4.780 4.899 5.018 5.137 5.257 5.376 5.495 5.614 5.734 5.853 5.972 6.091 6.211 6.330 6.449 6.569 6.688 6.807 6.927 7.046 7.165 7.284 7.404 7.523

1.256 1.380 1.502 1.625 1.747 1.868 1.990 2.111 2.231 2.352 2.473 2.593 2.713 2.833 2.954 3.074 3.194 3.314 3.434 3.554 3.673 3.793 3.913 4.033 4.152 4.272 4.392 4.511 4.631 4.751 4.871 4.990 5.110 5.229 5.349 5.468 5.588 5.708 5.827 5.947 6.066 6.186 6.305 6.425 6.544 6.664 6.783 6.903 7.022 7.142 7.261 7.381 7.500 7.619 7.739

1.462 1.618 1.775 1.932 2.089 2.247 2.405 2.563 2.721 2.879 3.038 3.196 3.355 3.513 3.672 3.831 3.989 4.148 4.307 4.466 4.625 4.783 4.942 5.101 5.260 5.419 5.578 5.737 5.896 6.055 6.214 6.373 6.532 6.691 6.850 7.009 7.168 7.327 7.486 7.645 7.804 7.963 8.122 8.281 8.440 8.599 8.758 8.917 9.076 9.236

1.674 1.839 2.003 2.166 2.329 2.491 2.652 2.814 2.975 3.135 3.296 3.457 3.617 3.778 3.938 4.098 4.258 4.418 4.578 4.738 4.897 5.057 5.217 5.377 5.536 5.696 5.855 6.015 6.175 6.334 6.494 6.653 6.813 6.972 7.131 7.291 7.451 7.609 7.769 7.928 8.088 8.247 8.407 8.566 8.725 8.885 9.044 9.203 9.363 9.522 9.681 9.841

1.827 2.023 2.219 2.415 2.612 2.809 3.006 3.204 3.401 3.599 3.797 3.995 4.193 4.392 4.590 4.788 4.987 5.185 5.384 5.582 5.781 5.979 6.178 6.376 6.575 6.774 6.972 7.171 7.370 7.568 7.767 7.966 8.165 8.363 8.562 8.761 8.960 9.159 9.357 9.556 9.755 9.954

2.092 2.299 2.504 2.708 2.911 3.113 3.315 3.517 3.719 3.920 4.120 4.321 4.522 4.722 4.922 5.122 5.322 5.522 5.722 5.922 6.122 6.321 6.521 6.721 6.920 7.120 7.319 7.519 7.718 7.918 8.117 8.316 8.516 8.715 8.914 9.114 9.313 9.512 9.711 9.911

2.193 2.427 2.662 2.898 3.134 3.371 3.607 3.844 4.082 4.319 4.557 4.794 5.032 5.270 5.508 5.746 5.984 6.222 6.460 6.699 6.937 7.175 7.413 7.652 7.890 8.128 8.367 8.605 8.844 9.082 9.321 9.559 9.798

2.511 2.758 3.004 3.249 3.493 3.736 3.979 4.221 4.462 4.704 4.945 5.185 5.426 5.666 5.907 6.147 6.387 6.627 6.867 7.107 7.346 7.586 7.825 8.065 8.304 8.544 8.783 9.022 9.262 9.501 9.740 9.980

2.924 3.236 3.549 3.864 4.179 4.494 4.810 5.126 5.442 5.759 6.076 6.392 6.710 7.027 7.344 7.661 7.979 8.296 8.614 8.931 9.249 9.567 9.885

3.347 3.678 4.006 4.332 4.657 4.982 5.305 5.627 5.950 6.271 6.593 6.914 7.235 7.555 7.875 8.196 8.516 8.836 9.156 9.475

1.002 1.083 1.167 1.246 1.326 1.407 1.487 1.568 1.648 1.729 1.809 1.889 1.969 2.049 2.129 2.209 2.289 2.369 2.449 2.529 2.609 2.688 2.768 2.848 2.928 3.008 3.087 3.167 3.247 3.327 3.406 3.486 3.566 3.646 3.725 3.805 3.885 3.964 4.044 4.124 4.203 4.283 4.363 4.442 4.522 4.602 4.681 4.761 4.841 4.920 5.000 5.080 5.159

9.795 10.114 10.434 10.753 11.072 11.392 11.711 12.030 12.349 12.668 12.987 13.306 13.625 13.944 14.263 14.582 14.901 15.219 15.538 15.857 16.176 16.495 16.813 17.132 17.451 17.769 18.088 18.406 18.725 19.044 19.363 19.681 20.000 20.318 20.637

10.202 10.520 10.838 11.156 11.474 11.792 12.110 12.428 12.745 13.063 13.381 13.700 14.018 14.336 14.654 14.972 15.290 15.608 15.928 16.244 16.562 16.880 17.198 17.517 17.835 18.153 18.471 18.739 19.107 19.426 19.744 20.062

10.219 10.458 10.697 10.936 11.176 11.415 11.654 11.893 12.132 12.371 12.610 12.849 13.088 13.327 13.566 13.805 14.044 14.283 14.522 14.761 15.000 15.238 15.477

10.036 10.275 10.513 10.752 10.990 11.229 11.467 11.706 11.944 12.183 12.422 12.660 12.899 13.137 13.376 13.615 13.853 14.092 14.330 14.569 14.808 15.046

10.111 10.309 10.508 10.707 10.907 11.106 11.305 11.504 11.703 11.902 12.102 12.301 12.500 12.699 12.898

10.153 10.351 10.550 10.749 10.948 11.147 11.346 11.544 11.743 11.942 12.141 12.340 12.539

9.395 9.554 9.713 9.872 10.031

10.000 10.159 10.318

❈ Outside diameter dimensions are nominal.

Note: Bottom diameter = pitch diameter – chain roller diameter

A-79

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