Table 5.
Characteristics of roller chains according to is: 2403-1991.
| ISO Chain number | Pitch (p) mm | Roller diameter (d1) mm maximum | Width between inner plates (b1) mm maximum | Transverse pitch (p1) mm | Breaking load (kN) minimum |
||
|---|---|---|---|---|---|---|---|
| Simple | Duplex | Triplex | |||||
| 05B | 8.00 | 5.00 | 3.00 | 5.64 | 4.4 | 7.8 | 11.1 |
| 06B | 9.525 | 6.35 | 5.72 | 10.24 | 8.9 | 16.9 | 24.9 |
| 08B | 12.70 | 8.51 | 7.75 | 13.92 | 17.8 | 31.1 | 44.5 |
| 10B | 15.875 | 10.16 | 9.65 | 16.59 | 22.2 | 44.5 | 66.7 |
| 12B | 19.05 | 12.07 | 11.68 | 19.46 | 28.9 | 57.8 | 86.7 |
| 16B | 25.4 | 15.88 | 17.02 | 31.88 | 42.3 | 84.5 | 126.8 |
| 20B | 31.75 | 19.05 | 19.56 | 36.45 | 64.5 | 129 | 193.5 |
| 24B | 38.10 | 25.40 | 25.40 | 48.36 | 97.9 | 195.7 | 293.6 |
| 28B | 44.45 | 27.94 | 30.99 | 59.56 | 129 | 258 | 387 |
| 32B | 50.80 | 29.21 | 30.99 | 68.55 | 169 | 338 | 507.10 |
| 40B | 63.50 | 39.37 | 38.10 | 72.29 | 262.4 | 524.9 | 787.3 |
| 48B | 76.20 | 48.26 | 45.72 | 92.21 | 400.3 | 400.3 | 1201 |