Hitachi

25 ASME/ANSI Roller Chain Chain Dimensions Note: Rated Working Load is to be used only in conjuction with "slow speed selection method" (see page 41). Common Dime nsions (Inche s) ASME/ANSI Chain Numbe r Chain Pitch Inside Width Bushing* Diame te r Pin Diame te r Link Plate Thickne ss P W R D T H 1/4 0.125 0.130 0.091 0.030 0.230 ASME/ANSI Chain Numbe r Numbe r of Strands Riv. Pin End to C/L of Chain Cot. Pin End to C/L of Chain Ove rall Le ngth Rive te d Pin Ove rall Le ngth Conn. Pin Lr Lc Lr + Lr 25 1 0.150 0.190 0.300 25-2 2 0.280 0.310 25-3 3 0.405 0.445 25 Rolle r Link Numbe r of Plate He ight Links in 10ft Available Construction Cotte re d Rive te d 480 No Yes Transve rse Pitch for Multi-strand Rate d Working Load Ave rage Ultimate Stre ngth Ave rage Chain We ight Lr + Lc TP (lbs) (lbs) (lbs/ft) 0.340 - 140 1,050 0.10 0.560 0.590 0.252 240 2,100 0.19 0.810 0.850 0.252 320 3,150 0.27 Pin Le ngths and Chain Ratings Note: #25 Chain is Rollerless Horsepower Ratings Maximum Spe e d of Small Sprocke t (rpm) Numbe r Te e th Small Sprocke t 50 100 300 500 700 900 1200 1500 1800 2100 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 11 0.03 0.05 0.14 0.23 0.31 0.39 0.50 0.62 0.73 0.83 0.98 1.15 1.32 1.38 1.16 0.99 0.86 0.75 0.67 0.60 0.54 0.49 0.45 0.41 0.35 12 0.03 0.06 0.16 0.25 0.34 0.43 0.55 0.68 0.80 0.92 1.07 1.26 1.45 1.57 1.32 1.12 0.97 0.86 0.76 0.68 0.61 0.56 0.51 0.47 0.40 13 0.04 0.06 0.17 0.27 0.37 0.47 0.60 0.74 0.87 1.00 1.17 1.38 1.58 1.77 1.49 1.27 1.10 0.96 0.86 0.77 0.69 0.63 0.57 0.53 0.45 14 0.04 0.07 0.19 0.30 0.40 0.50 0.65 0.80 0.94 1.08 1.27 1.49 1.71 1.93 1.66 1.42 1.23 1.08 0.96 0.86 0.77 0.70 0.64 0.59 0.50 15 0.04 0.08 0.20 0.32 0.43 0.54 0.70 0.86 1.01 1.17 1.36 1.61 1.85 2.08 1.84 1.57 1.36 1.20 1.06 0.95 0.86 0.78 0.71 0.65 0.56 16 0.04 0.08 0.22 0.34 0.47 0.58 0.76 0.92 1.09 1.25 1.46 1.72 1.98 2.23 2.03 1.73 1.50 1.32 1.17 1.05 0.94 0.86 0.78 0.72 0.61 17 0.05 0.09 0.23 0.37 0.50 0.62 0.81 0.99 1.16 1.33 1.56 1.84 2.11 2.38 2.22 1.90 1.64 1.44 1.28 1.14 1.03 0.94 0.86 0.79 0.67 18 0.05 0.09 0.25 0.39 0.53 0.66 0.86 1.05 1.24 1.42 1.66 1.96 2.25 2.53 2.42 2.07 1.79 1.57 1.39 1.25 1.12 1.02 0.93 0.86 0.73 19 0.05 0.10 0.26 0.41 0.56 0.70 0.91 1.11 1.31 1.50 1.76 2.07 2.38 2.69 2.62 2.24 1.94 1.70 1.51 1.35 1.22 1.11 1.01 0.93 0.79 20 0.06 0.10 0.28 0.44 0.59 0.74 0.96 1.17 1.38 1.59 1.86 2.19 2.52 2.84 2.83 2.42 2.10 1.84 1.63 1.46 1.32 1.20 1.09 1.00 0.86 21 0.06 0.11 0.29 0.46 0.62 0.78 1.01 1.24 1.46 1.68 1.96 2.31 2.66 2.99 3.05 2.60 2.26 1.98 1.76 1.57 1.42 1.29 1.17 1.08 0.92 22 0.06 0.11 0.31 0.48 0.66 0.82 1.07 1.30 1.53 1.76 2.06 2.43 2.79 3.15 3.27 2.79 2.42 2.12 1.88 1.69 1.52 1.38 1.26 1.16 0.99 23 0.06 0.12 0.32 0.51 0.69 0.86 1.12 1.37 1.61 1.85 2.16 2.55 2.93 3.30 3.50 2.98 2.59 2.27 2.01 1.80 1.62 1.47 1.35 1.24 1.06 24 0.07 0.13 0.34 0.53 0.72 0.90 1.17 1.43 1.69 1.94 2.27 2.67 3.07 3.46 3.73 3.18 2.76 2.42 2.15 1.92 1.73 1.57 1.44 1.32 1.12 25 0.07 0.13 0.35 0.56 0.75 0.94 1.22 1.50 1.76 2.02 2.37 2.79 3.21 3.61 3.96 3.38 2.93 2.57 2.28 2.04 1.84 1.67 1.53 1.40 1.20 26 0.07 0.14 0.37 0.58 0.79 0.98 1.28 1.56 1.84 2.11 2.47 2.91 3.34 3.77 4.19 3.59 3.11 2.73 2.42 2.17 1.95 1.77 1.62 1.49 1.27 28 0.08 0.15 0.40 0.63 0.85 1.07 1.38 1.69 1.99 2.29 2.68 3.15 3.62 4.09 4.54 4.01 3.47 3.05 2.70 2.42 2.18 1.98 1.81 1.66 1.42 30 0.08 0.16 0.43 0.68 0.92 1.15 1.49 1.82 2.15 2.46 2.88 3.40 3.90 4.40 4.89 4.45 3.85 3.38 3.00 2.68 2.42 2.20 2.01 1.84 1.57 32 0.09 0.17 0.46 0.73 0.98 1.23 1.60 1.95 2.30 2.64 3.09 3.64 4.18 4.72 5.25 4.90 4.25 3.73 3.30 2.96 2.67 2.42 2.21 2.03 1.73 35 0.10 0.19 0.51 0.80 1.08 1.36 1.76 2.15 2.53 2.91 3.41 4.01 4.61 5.20 5.78 5.60 4.86 4.26 3.78 3.38 3.05 2.77 2.53 2.32 1.98 40 0.12 0.22 0.58 0.92 1.25 1.57 2.03 2.48 2.93 3.36 3.93 4.64 5.32 6.00 6.68 6.85 5.93 5.21 4.62 4.13 3.73 3.38 3.09 2.83 2.42 45 0.13 0.25 0.66 1.05 1.42 1.78 2.31 2.82 3.32 3.82 4.47 5.26 6.05 6.82 7.58 8.17 7.08 6.21 5.51 4.93 4.45 4.04 3.69 3.38 2.89 Lube Type A Type B 10000 Type C Horsepower values given in the tables are for single strand chains. Multiple strand chains use the "Multi-Strand Factors" below: Type A: Type B: Type C: 12 Manual or Drip Lubrication Bath or Sliger Disc Lubrication Oil Stream or Pressure Spray Lubrication Multi-Stand Factors Numbe r of Strands 2 3 4 5 6 Factor 1.7 2.5 3.3 3.9 4.6

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