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滚子链条由内链板、外链板、销轴、套筒和滚子组成。内链板与套筒之间、外链板与销轴之间为过盈配合。这样，外链板与销轴构成一个个外链节，内链板与套筒则构成一个个内链节；滚子与套筒、套筒与销轴之间为间隙配合。当内、外链节间相对曲伸时，套筒可绕销轴自由转动。而当链条与链轮啮合时，活套在套筒上的滚子沿链轮齿廓滚动，可以减轻链和链轮轮齿的磨损。
| DIN/ISO 链号 KIN/ISO Chain No. | 节距 Pitch | 滚子直径 Roller | 内节内宽 Width between inner plates | 销轴直径 Pin diameter | 销轴长度 Pin length | 内链板高度 Lnner plate depth | 链板厚度 Plate thick -ness | 极限拉伸载荷 Ultimate tensile strength | 平均拉伸载荷 Average tensile strength | 每米长重 weight per meter | |
| P | d1 max | b1 min | d2 max | L max | Lc max | h2 max | T max | Q min | Q0 | q | |
| mm | mm | mm | mm | mm | mm | mm | mm | kN/LB | kN | kg/m | |
| 05B-3 | 8.000 | 5.00 | 3.00 | 2.31 | 19.5 | 20.2 | 7.10 | 0.80 | 11.1/2523 | 13.8 | 0.48 |
| *06B-3 | 9.525 | 6.35 | 5.72 | 3.28 | 33.5 | 34.6 | 8.20 | 1.30 | 24.9/5659 | 30.1 | 1.16 |
| 08B-3 | 12.700 | 8.51 | 7.75 | 4.45 | 45.1 | 46.1 | 11.80 | 1.60 | 47.5/10795 | 57.8 | 2.03 |
| 10B-3 | 15.875 | 10.16 | 9.65 | 5.08 | 52.7 | 54.1 | 14.70 | 1.70 | 66.7/15159 | 84.5 | 2.77 |
| 12B-3 | 19.050 | 12.07 | 11.68 | 5.72 | 61.5 | 63.1 | 16.00 | 1.85 | 86.7/19705 | 101.8 | 3.46 |
| 16B-3 | 25.400 | 15.88 | 17.02 | 8.28 | 99.8 | 101.2 | 21.00 | 4.15/3.1 | 160.0/36364 | 203.7 | 8.13 |
| 20B-3 | 31.750 | 19.05 | 19.56 | 10.19 | 114.2 | 117.9 | 26.40 | 4.5/3.5 | 250.0/56818 | 290.0 | 10.82 |
| 24B-3 | 38.100 | 25.40 | 25.40 | 14.63 | 150.1 | 154.6 | 33.20 | 6.0/4.8 | 425.0/96591 | 493.0 | 20.10 |
| 28B-3 | 44.450 | 30.99 | 30.99 | 15.90 | 184.2 | 188.7 | 36.70 | 7.5/6.0 | 530.0/120454 | 609.5 | 24.92 |
| 32B-3 | 50.800 | 30.99 | 30.99 | 17.81 | 183.2 | 188.2 | 42.00 | 7.0/6.0 | 670.0/152273 | 770.5 | 31.56 |
| 40B-3 | 63.500 | 38.10 | 38.10 | 22.89 | 226.8 | 233.8 | 52.96 | 8.5/8.0 | 950.0/215909 | 1092.5 | 48.10 |
| 48B-3 | 76.200 | 45.72 | 45.72 | 29.24 | 281.6 | 289.4 | 63.80 | 12/10 | 1500.0/340909 | 1710.0 | 75.00 |
| *套筒链:表中滚子直径d1为套筒直径 *Bushing chain:d1 in the table indicate the external diameter of the bushing | |||||||||||
