Machinery's Handbook, 31st Edition
2630
Transmission Roller Chains Table 9. Horsepower Ratings for Roller Chain, ANSI/ASME B29.1-2011 (R2016) No. of Revolutions per Minute — Small Sprocket a 10 25 50 100 150 200 300 400 500 600 700 800 900 Horsepower Rating 11 0.85 2.04 3.96 7.71 11.38 15.00 22.14 29.18 36.15 43.06 40.03 32.77 24.76 12 0.92 2.22 4.32 8.41 12.41 16.36 24.15 31.83 39.44 46.98 45.61 37.33 31.29 13 1.00 2.41 4.68 9.11 13.45 17.73 26.16 34.48 42.72 50.89 51.43 42.10 35.28 14 1.08 2.59 5.04 9.81 14.48 19.09 28.18 37.14 46.01 54.81 57.48 47.05 39.43 15 1.15 2.78 5.41 10.51 15.52 20.45 30.19 39.79 49.30 58.72 63.75 52.18 43.73 16 1.23 2.96 5.77 11.22 16.55 21.82 32.20 42.44 52.58 62.64 70.23 57.48 48.17 17 1.31 3.15 6.13 11.92 17.59 23.18 34.21 45.10 55.87 66.55 76.91 62.95 52.76 18 1.38 3.33 6.49 12.62 18.62 24.55 36.23 47.75 59.15 70.47 81.71 68.59 57.48 19 1.46 3.52 6.85 13.32 19.66 25.91 38.24 50.40 62.44 74.38 86.25 74.38 62.34 20 1.54 3.70 7.21 14.02 20.69 27.27 40.25 53.05 65.73 78.30 90.79 80.33 67.32 21 1.61 3.89 7.57 14.72 21.73 28.64 42.26 55.71 69.01 82.21 95.33 86.43 72.43 22 1.69 4.08 7.93 15.42 22.76 30.00 44.28 58.36 72.30 86.13 99.87 92.68 77.67 23 1.77 4.26 8.29 16.12 23.79 31.36 46.29 61.01 75.59 90.04 104.41 99.07 83.02 24 1.84 4.45 8.65 16.82 24.83 32.73 48.30 63.66 78.87 93.96 108.95 105.60 88.50 25 1.92 4.63 9.01 17.52 25.86 34.09 50.31 66.32 82.16 97.87 113.48 112.27 94.09 26 2.00 4.82 9.37 18.23 26.90 35.45 52.33 68.97 85.45 101.79 118.02 119.07 99.79 28 2.15 5.19 10.09 19.63 28.97 38.18 56.35 74.27 92.02 109.62 127.10 133.07 111.52 30 2.31 5.56 10.81 21.03 31.04 40.91 60.38 79.58 98.59 117.45 136.18 147.58 123.68 32 2.46 5.93 11.53 22.43 33.11 43.64 64.40 84.88 105.16 125.28 145.26 162.58 136.25 35 2.69 6.48 12.61 24.53 36.21 47.73 70.44 92.84 115.02 137.02 158.88 180.61 155.85 40 3.07 7.41 14.41 28.04 41.38 54.54 80.50 106.11 131.45 156.60 181.58 206.41 190.42 45 3.46 8.34 16.22 31.54 46.55 61.36 90.56 119.37 147.89 176.17 204.27 232.21 227.21 Type A Type B Type C No. of Teeth Small Spkt. Revolutions per Minute — Small Sprocket a 10 25 50 100 150 200 300 400 500 600 700 800 900 Horsepower Rating 11 1.43 3.44 6.69 13.02 19.22 25.33 37.38 49.27 61.04 58.37 46.32 37.91 31.77 12 1.56 3.75 7.30 14.20 20.96 27.63 40.78 53.75 66.59 66.51 52.78 43.20 36.20 13 1.69 4.07 7.91 15.39 22.71 29.93 44.18 58.23 72.14 74.99 59.51 48.71 40.82 14 1.82 4.38 8.52 16.57 24.46 32.24 47.58 62.71 77.69 83.81 66.51 54.44 45.62 15 1.95 4.69 9.13 17.76 26.20 34.54 50.98 67.19 83.24 92.95 73.76 60.37 50.59 16 2.08 5.00 9.74 18.94 27.95 36.84 54.37 71.67 88.79 102.39 81.26 66.51 55.74 17 2.21 5.32 10.34 20.12 29.70 39.14 57.77 76.15 94.34 112.14 88.99 72.84 61.04 18 2.34 5.63 10.95 21.31 31.45 41.45 61.17 80.63 99.89 119.00 96.96 79.36 66.51 19 2.47 5.94 11.56 22.49 33.19 43.75 64.57 85.11 105.44 125.61 105.15 86.06 72.13 20 2.60 6.26 12.17 23.67 34.94 46.05 67.97 89.59 110.99 132.22 113.56 92.95 77.89 21 2.73 6.57 12.78 24.86 36.69 48.36 71.37 94.07 116.54 138.83 122.18 100.00 83.81 22 2.86 6.88 13.39 26.04 38.43 50.66 74.76 98.55 122.09 145.44 131.01 107.23 89.87 23 2.99 7.19 14.00 27.22 40.18 52.96 78.16 103.02 127.64 152.05 140.04 114.62 96.06 24 3.11 7.51 14.60 28.41 41.93 55.26 81.56 107.50 133.19 158.66 149.28 122.18 102.39 25 3.24 7.82 15.21 29.59 43.67 57.57 84.96 111.98 138.74 165.27 158.70 129.90 108.86 26 3.37 8.13 15.82 30.78 45.42 59.87 88.36 116.46 144.29 171.88 168.32 137.77 115.46 28 3.63 8.76 17.04 33.14 48.92 64.47 95.15 125.42 155.38 185.11 188.11 153.97 129.03 30 3.89 9.38 18.25 35.51 52.41 69.08 101.95 134.38 166.48 198.33 208.62 170.75 143.10 32 4.15 10.01 19.47 37.88 55.90 73.68 108.75 143.34 177.58 211.55 229.83 188.11 157.65 35 4.54 10.95 21.30 41.43 61.14 80.59 118.94 156.78 194.23 231.38 262.89 215.17 180.33 40 5.19 12.51 24.34 47.35 69.88 92.11 135.94 179.17 221.98 264.44 306.61 262.89 220.32 45 5.84 14.08 27.38 53.27 78.61 103.62 152.93 201.57 249.72 297.49 344.94 313.69 213.33 Type A Type B Type C a For lower or higher rpm, larger chain sizes, and rpm above 3500, see B29.1-2011 (R2016). For use of table see page 2626. Teeth Small Spkt. Table 9. (Continued) Horsepower Ratings for Roller Chain, ANSI/ASME B29.1-2011 (R2016)
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