Roller Chains
Standard Single Strand Roller Chain

Page: 119

Chain No Pitch Roller W Roller R pin D pin LR riv pin LC cott
25-1* 1/4 1/8 0.13 0.091 0.296 0.327
35-1* 3/8 3/16 0.2 0.141 0.466 0.5
40-1 1/2 5/16 0.312 0.156 0.646 0.682
41-1 1/2 1/4 0.306 0.141 0.532 0.579
50-1 5/8 3/8 0.4 0.2 0.8 0.863
60-1 3/4 1/2 0.469 0.234 1 1.048
80-1 RB 1 5/8 0.625 0.312 1.276 1.388
100-1 RB 1-1/4 3/4 0.75 0.375 1.544 1.685
120-1 RB 1-1/2 1 0.875 0.437 1.942 2.095
140-1 RB 1-3/4 1 1 0.5 2.12 2.288
160-1 RB 2 1-1/4 1.125 0.562 2.524 2.697
180-1 RB 2-1/4 1-13/32 1.406 0.687 2.854 3.087
200-1 RB 2-1/2 1-1/2 1.562 0.781 3.084 3.418
240-1 RB 3 1-7/8 1.875 0.936 3.799 4.098