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| ISO "B" Roller Chain | |||||||||||
| MAXTOPCHAIN NO. | Pitch x Width | Roller | Plate | Pin | Transverse Pitch | Average Ultimate Strength kgf | Approx Weight kg/m | |||||||
| P x W | Dia | Height | Thickness | Dia | Lengths | |||||||||
| inch | mm | R | H1 | H2 | T1 | T2 | D | F | G | G1 | C | |||
| 05B-1 | 0.315" x 0.118" | 8.00 x 3.00 | 5.00 | 7.00 | 7.00 | 0.75 | 0.75 | 2.30 | 3.85 | 4.80 | --- | --- | 530 | 0.16 |
| 05B-2 | 0.315" x 0.118" | 8.00 x 3.00 | 5.00 | 7.00 | 7.00 | 0.75 | 0.75 | 2.30 | 6.65 | 7.64 | --- | 5.64 | 960 | 0.30 |
| 06B-1 | 0.375" x 0.225" | 9.525 x 5.72 | 6.35 | 8.10 | 8.10 | 1.00 | 1.25 | 3.28 | 6.10 | 7.40 | --- | --- | 1050 | 0.39 |
| 06B-2 | 0.375" x 0.225" | 9.525 x 5.72 | 6.35 | 8.10 | 8.10 | 1.00 | 1.25 | 3.28 | 11.20 | 12.30 | --- | 10.24 | 1900 | 0.74 |
| 06B-3 | 0.375" x 0.225" | 9.525 x 5.72 | 6.35 | 8.10 | 8.10 | 1.00 | 1.25 | 3.28 | 16.30 | 17.40 | 17.80 | 10.24 | 2700 | 1.09 |
| 08B-1 | 0.5" x 0.305" | 12.70 x 7.75 | 8.51 | 10.20 | 11.80 | 1.50 | 1.50 | 4.44 | 8.20 | 9.50 | --- | --- | 1930 | 0.65 |
| 08B-2 | 0.5" x 0.305" | 12.70 x 7.75 | 8.51 | 10.20 | 11.80 | 1.50 | 1.50 | 4.44 | 15.30 | 16.70 | --- | 13.92 | 3600 | 1.30 |
| 08B-3 | 0.5" x 0.305" | 12.70 x 7.75 | 8.51 | 10.20 | 11.80 | 1.50 | 1.50 | 4.44 | 22.20 | 23.50 | 23.80 | 13.92 | 5400 | 1.92 |
| 10B-1 | 0.625" x 0.38" | 15.875 x 9.65 | 10.16 | 13.00 | 14.60 | 1.65 | 1.65 | 5.06 | 9.60 | 11.10 | --- | --- | 2700 | 0.92 |
| 10B-2 | 0.625" x 0.38" | 15.875 x 9.65 | 10.16 | 13.00 | 14.60 | 1.65 | 1.65 | 5.06 | 17.90 | 19.40 | --- | 16.59 | 5200 | 1.68 |
| 10B-3 | 0.625" x 0.38" | 15.875 x 9.65 | 10.16 | 13.00 | 14.60 | 1.65 | 1.65 | 5.06 | 26.20 | 27.50 | 28.20 | 16.59 | 7850 | 2.62 |
| 12B-1 | 0.75" x 0.46" | 19.05 x 11.68 | 12.07 | 16.00 | 16.00 | 1.80 | 1.80 | 5.72 | 11.10 | 12.60 | --- | --- | 3400 | 1.24 |
| 12B-2 | 0.75" x 0.46" | 19.05 x 11.68 | 12.07 | 16.00 | 16.00 | 1.80 | 1.80 | 5.72 | 20.80 | 22.40 | --- | 19.46 | 6800 | 2.28 |
| 12B-3 | 0.75" x 0.46" | 19.05 x 11.68 | 12.07 | 16.00 | 16.00 | 1.80 | 1.80 | 5.72 | 30.60 | 31.90 | 32.50 | 19.46 | 10200 | 3.55 |
| 16B-1 | 1" x 0.67" | 25.4 x 17.02 | 15.88 | 20.80 | 20.80 | 3.20 | 4.00 | 8.27 | 17.70 | 19.25 | 20.20 | --- | 8000 | 2.65 |
| 16B-2 | 1" x 0.67" | 25.4 x 17.02 | 15.88 | 20.80 | 20.80 | 3.20 | 4.00 | 8.27 | 33.64 | 35.16 | 36.16 | 31.88 | 16000 | 5.25 |
| 16B-3 | 1" x 0.67" | 25.4 x 17.02 | 15.88 | 20.80 | 20.80 | 3.20 | 4.00 | 8.27 | 49.58 | 51.12 | 52.12 | 31.88 | 24000 | 7.86 |
| 20B-1 | 1.25" x 0.77" | 31.75 x 19.56 | 19.05 | 26.00 | 26.00 | 3.50 | 4.40 | 10.18 | 20.50 | --- | 23.50 | --- | 12000 | 3.85 |
| 20B-2 | 1.25" x 0.77" | 31.75 x 19.56 | 19.05 | 26.00 | 26.00 | 3.50 | 4.40 | 10.18 | 38.73 | --- | 41.72 | 36.45 | 24000 | 7.65 |
| 20B-3 | 1.25" x 0.77" | 31.75 x 19.56 | 19.05 | 26.00 | 26.00 | 3.50 | 4.40 | 10.18 | 56.95 | --- | 59.95 | 36.45 | 36000 | 11.45 |
| 24B-1 | 1.5" x 1" | 38.10 x 25.40 | 25.4 | 33.00 | 33.00 | 5.20 | 6.00 | 14.62 | 26.65 | --- | 32.35 | --- | 18000 | 7.60 |
| 24B-2 | 1.5" x 1" | 38.10 x 25.40 | 25.4 | 33.00 | 33.00 | 5.20 | 6.00 | 14.62 | 50.83 | --- | 56.53 | 48.36 | 35000 | 14.80 |
| 24B-3 | 1.5" x 1" | 38.10 x 25.40 | 25.4 | 33.00 | 33.00 | 5.20 | 6.00 | 14.62 | 75.00 | --- | 80.72 | 48.36 | 52500 | 21.90 |
| 28B-1 | 1.75" x 1.22" | 44.45 x 31.00 | 27.94 | 37.00 | 37.00 | 6.40 | 7.40 | 15.90 | 32.48 | --- | 37.97 | --- | 21000 | 9.05 |
| 28B-2 | 1.75" x 1.22" | 44.45 x 31.00 | 27.94 | 37.00 | 37.00 | 6.40 | 7.40 | 15.90 | 62.26 | --- | 67.75 | 59.56 | 41000 | 17.12 |
| 28B-3 | 1.75" x 1.22" | 44.45 x 31.00 | 27.94 | 37.00 | 37.00 | 6.40 | 7.40 | 15.90 | 92.04 | --- | 97.53 | 59.56 | 60000 | 25.61 |
| 32B-1 | 2" x 1.22" | 50.80 x 31.00 | 29.21 | 42.20 | 42.20 | 6.40 | 7.10 | 17.81 | 32.68 | --- | 38.17 | --- | 26500 | 10.63 |
| 32B-2 | 2" x 1.22" | 50.80 x 31.00 | 29.21 | 42.20 | 42.20 | 6.40 | 7.10 | 17.81 | 61.95 | --- | 67.45 | 58.55 | 50500 | 20.85 |
| 32B-3 | 2" x 1.22" | 50.80 x 31.00 | 29.21 | 42.20 | 42.20 | 6.40 | 7.10 | 17.81 | 91.23 | --- | 96.72 | 58.55 | 76000 | 31.57 |
| 40B-1 | 2.5" x 1.5" | 63.50 x 38.10 | 39.37 | 52.90 | 52.90 | 8.00 | 8.40 | 22.89 | 40.20 | --- | 47.30 | --- | 39600 | 16.25 |
| 40B-2 | 2.5" x 1.5" | 63.50 x 38.10 | 39.37 | 52.90 | 52.90 | 8.00 | 8.40 | 22.89 | 76.35 | --- | 83.45 | 72.29 | 76000 | 31.86 |
| 40B-3 | 2.5" x 1.5" | 63.50 x 38.10 | 39.37 | 52.90 | 52.90 | 8.00 | 8.40 | 22.89 | 112.50 | --- | 119.60 | 72.29 | 112000 | 48.14 |
| 48B-1 | 3" x 1.8" | 76.20 x 45.72 | 48.26 | 63.50 | 63.50 | 9.90 | 11.80 | 29.24 | 49.40 | --- | 56.50 | --- | 62200 | 25.05 |
| 48B-2 | 3" x 1.8" | 76.20 x 45.72 | 48.26 | 63.50 | 63.50 | 9.90 | 11.80 | 29.24 | 95.00 | --- | 102.10 | 91.21 | 118000 | 49.83 |
| 48B-3 | 3" x 1.8" | 76.20 x 45.72 | 48.26 | 63.50 | 63.50 | 9.90 | 11.80 | 29.24 | 140.60 | --- | 147.70 | 91.21 | 177000 | 75.07 |
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