Machinery's Handbook, 31st Edition
Transmission Roller Chains 2627 Table 9. Horsepower Ratings for Roller Chain, ANSI/ASME B29.1-2011 (R2016) No. of Revolutions per Minute — Small Sprocket a 50 100 240 500 700 900 1200 1500 1800 2100 2500 3000 3500 Horsepower Rating 11 0.11 0.22 0.50 1.02 1.41 1.80 2.37 2.93 3.49 4.05 3.86 2.94 2.33 12 0.12 0.24 0.55 1.11 1.54 1.96 2.58 3.20 3.81 4.42 4.40 3.35 2.66 13 0.13 0.26 0.60 1.21 1.67 2.12 2.80 3.47 4.13 4.79 4.96 3.77 3.00 14 0.14 0.28 0.64 1.30 1.80 2.29 3.01 3.73 4.45 5.15 5.55 4.22 3.35 15 0.15 0.30 0.69 1.39 1.92 2.45 3.23 4.00 4.76 5.52 6.15 4.68 3.71 16 0.16 0.32 0.73 1.49 2.05 2.61 3.44 4.26 5.08 5.89 6.77 5.15 4.09 17 0.17 0.34 0.78 1.58 2.18 2.77 3.66 4.53 5.40 6.26 7.40 5.64 4.48 18 0.18 0.36 0.83 1.67 2.31 2.94 3.87 4.80 5.72 6.63 7.83 6.15 4.88 19 0.19 0.38 0.87 1.76 2.44 3.10 4.09 5.06 6.03 7.00 8.27 6.67 5.29 20 0.20 0.40 0.92 1.86 2.56 3.26 4.30 5.33 6.35 7.36 8.71 7.20 5.72 21 0.21 0.42 0.96 1.95 2.69 3.43 4.52 5.60 6.67 7.73 9.14 7.75 6.15 22 0.22 0.44 1.01 2.04 2.82 3.59 4.73 5.86 6.99 8.10 9.58 8.31 6.59 23 0.23 0.46 1.06 2.14 2.95 3.75 4.95 6.13 7.30 8.47 10.01 8.88 7.05 24 0.24 0.48 1.10 2.23 3.08 3.92 5.16 6.40 7.62 8.84 10.45 9.47 7.51 25 0.25 0.50 1.15 2.32 3.21 4.08 5.38 6.66 7.94 9.20 10.88 10.07 7.99 26 0.26 0.51 1.19 2.41 3.33 4.24 5.59 6.93 8.26 9.57 11.32 10.68 8.47 28 0.29 0.55 1.28 2.60 3.59 4.57 6.02 7.46 8.89 10.31 12.19 11.93 9.47 30 0.31 0.59 1.38 2.79 3.85 4.90 6.45 8.00 9.53 11.05 13.06 13.23 10.50 32 0.33 0.63 1.47 2.97 4.10 5.22 6.88 8.53 10.16 11.78 13.93 14.58 11.57 35 0.36 0.69 1.61 3.25 4.49 5.71 7.53 9.33 11.11 12.89 15.23 16.67 13.23 40 0.41 0.79 1.84 3.71 5.13 6.53 8.61 10.66 12.70 14.73 17.41 20.37 16.17 45 0.46 0.89 2.07 4.18 5.77 7.35 9.68 11.99 14.29 16.57 19.59 23.33 15.56 Type A Type B Type C No. of Revolutions per Minute — Small Sprocket a 50 100 200 300 500 700 900 1000 1200 1400 1600 1800 2100 Horsepower Rating 11 0.27 0.52 1.00 1.48 2.42 3.34 4.25 4.70 5.60 6.49 5.57 4.66 3.70 12 0.29 0.56 1.09 1.61 2.64 3.64 4.64 5.13 6.11 7.09 6.34 5.31 4.22 13 0.31 0.61 1.19 1.75 2.86 3.95 5.02 5.56 6.62 7.68 7.15 5.99 4.76 14 0.34 0.66 1.28 1.88 3.08 4.25 5.41 5.98 7.13 8.27 7.99 6.70 5.31 15 0.36 0.70 1.37 2.02 3.30 4.55 5.80 6.41 7.64 8.86 8.86 7.43 5.89 16 0.39 0.75 1.46 2.15 3.52 4.86 6.18 6.84 8.15 9.45 9.76 8.18 6.49 17 0.41 0.80 1.55 2.29 3.74 5.16 6.57 7.27 8.66 10.04 10.69 8.96 7.11 18 0.43 0.84 1.64 2.42 3.96 5.46 6.95 7.69 9.17 10.63 11.65 9.76 7.75 19 0.46 0.89 1.73 2.56 4.18 5.77 7.34 8.12 9.68 11.22 12.64 10.59 8.40 20 0.48 0.94 1.82 2.69 4.39 6.07 7.73 8.55 10.18 11.81 13.42 11.44 9.07 21 0.51 0.98 1.91 2.83 4.61 6.37 8.11 8.98 10.69 12.40 14.10 12.30 9.76 22 0.53 1.03 2.01 2.96 4.83 6.68 8.50 9.40 11.20 12.99 14.77 13.19 10.47 23 0.55 1.08 2.10 3.10 5.05 6.98 8.89 9.83 11.71 13.58 15.44 14.10 11.19 24 0.58 1.12 2.19 3.23 5.27 7.28 9.27 10.26 12.22 14.17 16.11 15.03 11.93 25 0.60 1.17 2.28 3.36 5.49 7.59 9.66 10.69 12.73 14.76 16.78 15.98 12.68 26 0.63 1.22 2.37 3.50 5.71 7.89 10.04 11.11 13.24 15.35 17.45 16.95 13.45 28 0.67 1.31 2.55 3.77 6.15 8.50 10.82 11.97 14.26 16.53 18.79 18.94 15.03 30 0.72 1.41 2.74 4.04 6.59 9.11 11.59 12.82 15.28 17.71 20.14 21.01 16.67 32 0.77 1.50 2.92 4.31 7.03 9.71 12.36 13.68 16.30 18.89 21.48 23.14 18.37 35 0.84 1.64 3.19 4.71 7.69 10.62 13.52 14.96 17.82 20.67 23.49 26.30 21.01 40 0.96 1.87 3.65 5.38 8.79 12.14 15.45 17.10 20.37 23.62 26.85 30.06 25.67 45 1.08 2.11 4.10 6.06 9.89 13.66 17.39 19.24 22.92 26.57 30.20 33.82 30.63 Type A Type B Type C Teeth Small Spkt. Teeth Small Spkt. Table 9. (Continued) Horsepower Ratings for Roller Chain, ANSI/ASME B29.1-2011 (R2016)
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