chain size a(mm) b(mm) c(mm) D (mm) e(mm) F (mm) g(mm) h(mm) j(mm) k(mm) weight prooF test kgF break test kgF
mm inches kg lbs
2 19-24 3/4 – 15/16 194 132 38 24 32 57 24 35 17 30 3.6 8 34000 48500
3 25-30 1 – 1-3/16 238 167 46 30 38 66 33 45 19 35 6.5 14 53000 75700
4 32-40 1-1/4 – 1-9/16 299 206 59 40 48 83 40×45 56 26 43 14.5 32 91400 131000
5 42-51 1-5/8 – 2 378 260 76 51 64 100 51×60 74 32 52 27.0 60 145400 207700
6 52-60 2-1/16 – 2-3/8 454 313 92 60 76 121 62×73 88 37 64 49.0 107 199600 285200
7 62-79 2-7/16 – 3-1/8 562 376 121 79 95 149 86×79 111 48 76 92.0 203 332100 474500
8 81-92 3-3/16 – 3-5/8 654 419 133 92 124 149 111×102 130×133 54 79 149.0 328 434800 621200
9 94-95 3-11/6 – 3-3/4 692 435 146 98 130 159 124×137 141 57 83 236.0 520 462300 660100
10 97-102 3-13/16 – 4 889 572 191 121 165 191 130×148 181 73 108 386.0 850 522100 746000
11 103-108 4-1/16 – 4-1/4 940 610 203 127 175 203 156 200 76 111 418.0 920 577000 825000
12 110-114 4-5/16 – 4-1/2 991 648 216 133 184 216 165×167 210×200 105 114 459.0 1010 637300 910900