U.S. TSUBAKI STOCK SPROCKETS
Sprocket Diameters
2 ” Pitch
RS40 1 ⁄
4 ” Pitch
8 ” Pitch
RS25 1 ⁄
RS50 5 ⁄
No. of Teeth
No. of Teeth
No. of Teeth
Outside Dia.
Outside Dia.
Pitch Dia.
Outside Dia.
Caliper Dia.
Pitch Dia.
Caliper Dia.
Pitch Dia.
Caliper Dia.
.590 .679 .748 .836 .907 .993
8 9
1.307 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 4.465 4.625 4.783 4.942 5.101 5.260 5.419 5.578 5.737 6.055 6.373 6.691 7.009 7.168 7.327 7.486 7.645 7.963 8.599 9.554
1.507 1.674 1.839 2.003 2.166 2.328 2.490 2.652 2.814 2.974 3.136 3.292 3.457 3.618 3.778 3.938 4.098 4.258 4.418 4.578 4.738 4.898 5.057 5.217 5.376 5.536 5.696 5.856 6.015 6.334 6.653 6.972 7.291 7.450 7.609 7.769 7.928 8.248 8.884 9.840
.995 1.127 1.305 1.444 1.620 1.761 1.934 2.079 2.250 2.397 2.567 2.715 2.883 3.033 3.201 3.351 3.518 3.669 3.835 3.987 4.153 4.305 4.471 4.623 4.788 4.941 5.107 5.260 5.425 5.742 6.061 6.379 6.696 6.851 7.014 7.169 7.332 7.650 8.286 9.241
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 28 30 32 35 36 40 45 48 54 60 70 72
.731 .809 .887 .966
.837 .919 1.001 1.083 1.164 1.245 1.326 1.407 1.487 1.568 1.648 1.728 1.809 1.889 1.969 2.049 2.129 2.209 2.369 2.529 2.688 2.928 3.008 3.327 3.725 3.964 4.442 4.920 5.717 5.876
8 9
1.633 1.827 2.023 2.219 2.415 2.612 2.809 3.006 3.204 3.401 3.599 3.798 3.995 4.194 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 6.973 7.171 7.370 7.569 7.768 7.966 8.364 8.563 8.761 8.960 9.556 9.755 9.954
1.880 2.093 2.299 2.504 2.708 2.911 3.113 3.315 3.517 3.718 3.919 4.121 4.321 4.522 4.722 4.923 5.123 5.323 5.523 5.723 5.922 6.122 6.321 6.521 6.721 6.921 7.120 7.319 7.519 7.718 7.918 8.117 8.316 8.715 8.914 9.114 9.313 9.911
1.233 1.400 1.623 1.796 2.015 2.193 2.409 2.590 2.804 2.987 3.199 3.384 3.595 3.782 3.992 4.179 4.388 4.577 4.785 4.975 5.182 5.371 5.579 5.770 5.976 6.168 6.374 6.565 6.771 6.963 7.169 7.361 7.566 7.964 8.157 8.361 8.554 9.156 9.350 9.554 9.951
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 38 40 42 44 45 46 47 48 50 54 60 70 72 80 84 96 112
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 42 43 44 45 48 49 50 52 54 55 56 60 70 72 80 84 96 112
1.045 1.123 1.203 1.282 1.361 1.440 1.519 1.598 1.677 1.757 1.836 1.915 1.995 2.074 2.233 2.392 2.551 2.789 2.868 3.186 3.584 3.822 4.300 4.777 5.572 5.731
1.066 1.152 1.225 1.310 1.384 1.468 1.543 1.627 1.702 1.785 1.861 1.944 2.103 2.262 2.421 2.656 2.738 3.056 3.452 3.692 4.170 4.647 5.442 5.601
8 ” Pitch
RS35 3 ⁄
No. of Teeth
Outside Dia.
Pitch Dia.
Caliper Dia.
.880 1.014 1.118 1.249 1.356 1.485 1.594 1.722 1.832 1.960 2.071 2.197 2.309 2.435 2.548 2.673 2.786 2.911 3.025 3.149 3.388 3.626 3.979 4.103 4.580 4.818 5.173 5.534 6.249 6.965 8.158 8.397 9.352 9.829
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 32 35 36 40 42 45 48 54 60 70 72 80 84 96 112
1.096 1.214 1.331 1.449 1.567 1.685 1.804 1.922 2.041 2.160 2.278 2.397 2.516 2.635 2.754 2.873 2.992 3.111 3.230 3.349 3.588 3.826 4.183 4.303 4.780 5.018 5.376 5.734 6.449 7.165 8.358 8.597 9.552
1.255 1.379 1.502 1.625 1.746 1.868 1.989 2.110 2.231 2.352 2.472 2.593 2.713 2.833 2.953 3.073 3.194 3.313 3.434 3.553 3.793 4.032 4.392 4.511 4.990 5.229 5.588 5.946 6.664 7.380 8.575 8.814 9.770
10.110 10.309 10.708 11.106 11.305 11.504 12.301 14.292 14.690 16.283 17.079 19.467 22.651
11.145 11.463 12.736 13.372 15.282 17.827
11.433 11.752 13.026 13.663 15.573 18.121
10.832 11.151 12.423 13.059 14.969 17.515
10.351 10.749 10.948 11.147 11.942 13.931 14.329 15.919 16.715 19.102 22.284
10.349 10.543 10.747 11.542 13.531 13.929 15.519 16.315 18.702 21.884
10.029 11.461 13.371
10.247 11.680 13.590
11.261 13.171
C-77
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