U.S. TSUBAKI LAMBDA ® CHAINS
Horsepower Ratings
No. of Teeth HORSEPOWER RATINGS Small RSD50-LAMBDA ®
The horsepower ratings shown in these charts are based on the following conditions.
Maximum Speed - Small Sprocket (rpm)
Spkt.
10 25 50 100 200 300 400 500 700 900
11 0.16 0.38 0.71 1.33 2.48 3.58 4.64 5.66 6.67 7.67 12 0.19 0.42 0.78 1.46 2.72 3.93 5.09 6.22 7.33 8.42 13 0.20 0.46 0.86 1.59 2.98 4.28 5.55 6.78 7.99 14 0.21 0.50 0.92 1.73 3.22 4.64 6.00 7.34 8.66 15 0.23 0.54 0.99 1.86 3.47 5.00 6.47 7.92 16 0.25 0.58 1.07 2.00 3.73 5.36 6.94 8.48 17 0.27 0.62 1.14 2.13 3.97 5.72 7.41 9.06 18 0.28 0.66 1.22 2.27 4.22 6.08 7.88
1. The chains are operated under ordinary conditions. The ambient temperatures during typical operating conditions range between 14°F and 302°F. They should not be used in an atmosphere in which abrasive dust or corrosive gas is present or where humidity is high.
2. The two transmission shafts are horizontal and the chains are properly installed.
3. The load does not change significantly during transmission. The Service Factors given in Table I on page A-22 should be taken into account when the chains are used under various operating conditions.
19 0.31 0.68 1.29 2.40 4.48 6.45 8.36 20 0.32 0.72 1.35 2.53 4.73 6.82 8.83 21 0.34 0.76 1.43 2.68 4.99 7.18 9.32 22 0.35 0.80 1.50 2.81 5.24 7.56 23 0.38 0.84 1.58 2.95 5.51 7.93 24 0.39 0.88 1.66 3.08 5.76 8.30 25 0.40 0.92 1.73 3.23 6.02 8.67 26 0.43 0.97 1.81 3.36 6.29 9.05 28 0.46 1.05 1.96 3.65 6.81 9.81 30 0.50 1.13 2.10 3.93 7.33 32 0.54 1.21 2.27 4.21 7.87 35 0.59 1.33 2.49 4.64 8.66 40 0.67 1.54 2.87 5.36 10.0 45 0.76 1.74 3.27 6.08
No. of Teeth HORSEPOWER RATINGS Small RSD60-LAMBDA ®
No. of Teeth HORSEPOWER RATINGS Small RSD40-LAMBDA ®
Maximum Speed - Small Sprocket (rpm)
Maximum Speed - Small Sprocket (rpm)
Spkt.
10 25 50 100 200 300 400 500 700 900 1000
Spkt.
10 25 50 100 150 200 250 300 400 500
11 0.08 0.19 0.35 0.64 1.21 1.73 2.24 2.73 3.70 4.65 5.11 12 0.09 0.20 0.38 0.71 1.31 1.90 2.47 3.00 4.07 5.11 13 0.09 0.23 0.42 0.76 1.43 2.06 2.68 3.28 4.44 5.56 14 0.11 0.24 0.44 0.83 1.55 2.24 2.91 3.55 4.81 15 0.11 0.25 0.48 0.90 1.68 2.41 3.14 3.83 5.19 16 0.12 0.28 0.52 0.97 1.80 2.59 3.35 4.10 5.55
11 0.29 0.67 1.26 2.35 3.39 4.38 5.36 6.31 8.19 10.0 12 0.32 0.74 1.38 2.59 3.71 4.81 5.88 6.94 8.99 11.0 13 0.35 0.80 1.51 2.81 4.06 5.25 6.42 7.57 9.80 14 0.39 0.87 1.64 3.06 4.40 5.70 6.96 8.20 10.6 15 0.42 0.94 1.76 3.28 4.73 6.13 7.49 8.83 11.4 16 0.44 1.01 1.89 3.52 5.08 6.57 8.04 9.46 17 0.47 1.09 2.01 3.77 5.41 7.02 8.58 10.1 18 0.51 1.15 2.14 3.99 5.76 7.47 9.13 10.7
17 0.13 0.29 0.55 1.03 1.92 2.76 3.58 4.38 18 0.13 0.31 0.59 1.10 2.04 2.95 3.81 4.66
19 0.15 0.34 0.62 1.17 2.17 3.12 4.05 4.95 20 0.16 0.35 0.66 1.23 2.29 3.30 4.28 5.23 21 0.16 0.38 0.70 1.29 2.41 3.47 4.50 5.51 22 0.17 0.39 0.72 1.35 2.53 3.66 4.73 5.79 23 0.17 0.42 0.76 1.42 2.67 3.83 4.97 6.07 24 0.19 0.43 0.80 1.49 2.79 4.02 5.20 25 0.20 0.44 0.83 1.55 2.91 4.20 5.44 26 0.20 0.47 0.87 1.62 3.04 4.38 5.67 28 0.23 0.51 0.95 1.77 3.30 4.74 6.14 30 0.24 0.55 1.02 1.90 3.55 5.11
19 0.54 1.22 2.28 4.24 6.11 7.91 9.68 11.4 20 0.56 1.29 2.40 4.48 6.46 8.36 10.2 12.0 21 0.59 1.35 2.53 4.73 6.81 8.82 10.8 22 0.63 1.42 2.67 4.97 7.16 9.27 11.3 23 0.66 1.50 2.79 5.21 7.51 9.73 11.9 24 0.68 1.57 2.92 5.46 7.87 10.2 12.5 25 0.72 1.64 3.06 5.71 8.22 10.6 13.0 26 0.75 1.72 3.19 5.95 8.58 11.1 28 0.82 1.85 3.46 6.45 9.29 12.0 30 0.87 2.00 3.73 6.94 10.0 13.0
32 0.25 0.59 1.09 2.04 3.81 5.48 35 0.28 0.64 1.21 2.24 4.20 6.03 40 0.32 0.75 1.39 2.59 4.84 45 0.38 0.84 1.58 2.95 5.50
32 0.94 2.14 3.99 7.45 10.7 35 1.03 2.36 4.40 8.20 11.8 40 1.19 2.72 5.08 9.48 13.7 45 1.35 3.10 5.76 10.8
A-29
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