Machinery's Handbook, 31st Edition
2622 Transmission Roller Chains Table 4. Roller Chain Sprocket Diameters ANSI/ASME B29.1-2011 (R2016) These diameters and caliper factors apply only to chain of 1-inch pitch. For any other pitch, multiply the values given below by the pitch.
Caliper Dia. (even teeth) = Pitch Diameter − Roller Dia. Caliper Dia. (odd teeth) = Caliper factor × Pitch − Roller Dia. See Table 5 for tolerances on Caliper Diameters. No. Teeth a Pitch Diameter Outside Diameter Caliper Factor No. Teeth a Turned Topping Hob Cut
Outside Diameter
Pitch Diameter
Topping Hob Cut
Caliper Factor
Turned
9
2.9238 3.2361 3.5495 3.8637 4.1786 4.4940 4.8097 5.1258 5.4422 5.7588 6.0755 6.3924 6.7095 7.0267 7.3439 7.6613 7.9787 8.2962 8.6138 8.9314 9.2491
3.348 3.364 2.8794 4.006 3.990 3.5133 3.678 3.676 4.332 4.352 4.657 4.666 4.1481 5.304 5.298 4.7834 4.981 4.982 5.627 5.614 5.949 5.930 5.4190 6.593 6.609 6.0548 6.271 6.292 6.914 6.926 7.235 7.243 6.6907 7.876 7.877 7.3268 7.555 7.560 8.196 8.195 8.516 8.512 7.9630 9.156 9.147 8.5992 8.836 8.829 9.475 9.465 9.795 9.782 9.2355
59 18.7892 19.363 19.361 18.7825 60 19.1073 19.681 19.680 61 19.4255 20.000 19.998 19.4190 62 19.7437 20.318 20.316 63 20.0618 20.637 20.634 20.0556 64 20.3800 20.956 20.952 65 20.6982 21.274 21.270 20.6921 66 21.0164 21.593 21.588 67 21.3346 21.911 21.907 21.3287 68 21.6528 22.230 22.225 69 21.9710 22.548 22.543 21.9653 70 22.2892 22.867 22.861 71 22.6074 23.185 23.179 22.6018 72 22.9256 23.504 23.498 73 23.2438 23.822 23.816 23.2384 74 23.5620 24.141 24.134 75 23.8802 24.459 24.452 23.8750 76 24.1984 24.778 24.770 77 24.5166 25.096 25.089 24.5116 78 24.8349 25.415 25.407 79 25.1531 25.733 25.725 25.1481 80 25.4713 26.052 26.043 81 25.7896 26.370 26.362 25.7847 82 26.1078 26.689 26.680 83 26.4260 27.007 26.998 26.4213 84 26.7443 27.326 27.316 85 27.0625 27.644 27.635 27.0579 86 27.3807 27.962 27.953 87 27.6990 28.281 28.271 27.6945 88 28.0172 28.599 28.589 89 28.3354 28.918 28.907 28.3310 90 28.6537 29.236 29.226 91 28.9719 29.555 29.544 28.9676 92 29.2902 29.873 29.862 93 29.6081 30.192 30.180 29.6042 94 29.9267 30.510 30.499 95 30.2449 30.828 30.817 30.2408 96 30.5632 31.147 31.135 97 30.8815 31.465 31.454 30.8774 98 31.1997 31.784 31.772 99 31.5180 32.102 32.090 31.5140 100 31.8362 32.421 32.408 101 32.1545 32.739 32.727 32.1506 102 32.4727 33.057 33.045 103 32.7910 33.376 33.363 32.7872 104 33.1093 33.694 33.681 105 33.4275 34.013 34.000 33.4238 106 33.7458 34.331 34.318 107 34.0641 34.649 34.636 34.0604 108 34.3823 34.968 34.954
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
9.5668 10.114 10.100 9.8845 10.434 10.418 9.8718 10.2023 10.753 10.736 10.5201 11.073 11.053 10.5082 10.8379 11.392 11.371 11.1558 11.711 11.728 11.1446 11.4737 12.030 12.046 11.7916 12.349 12.364 11.7810 12.1095 12.668 12.682 12.4275 12.987 13.000 12.4174 12.7455 13.306 13.318 13.0635 13.625 13.636 13.0539 13.3815 13.944 13.954 13.6995 14.263 14.272 13.6904 14.0175 14.582 14.590 14.3355 14.901 14.908 14.3269 14.6536 15.219 15.226 14.9717 15.538 15.544 14.9634 15.2898 15.857 15.862 15.6079 16.176 16.180 15.5999 15.9260 16.495 16.498 16.2441 16.813 16.816 16.2364 16.5622 17.132 17.134 16.8803 17.451 17.452 16.8729 17.1984 17.769 17.770 17.5165 18.088 18.089 17.5094 17.8347 18.407 18.407 18.1528 18.725 18.725 18.1459 18.4710 19.044 19.043
a For 5-8 and 109-200 teeth see text, pages 2621, 2623.
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