The following are our standard dimensions for American Standard chain numbers.

CHAIN
NO.		 PITCH ROLLER
DIA.		 T1

Single

 T1

Dbl &

Triple

 T1

Quad

 Tolerance

Multiple

Only*

 T2

Double

 T3

Triple

 T2            T3              T4           T5

Quadruple and over

  

K

  

F
25 1/4 .130 .110 .106 .096 -.008 .358 .610 .348       .600           .852          1.104 1/16
35 3/8 .200 .168 .162 .149 -.008 .561 .960 .561       .960         1.346          1.745 .300 1/8
41 1/2 .306 .221 -.009
40 1/2 .312 .284 .275 .256 -.009 .841 1.407 .822      1.388        1.954          2.520 .400 5/32
50 5/8 .400 .343 .331 .324 -.010 1.044 1.757 1.032     1.741       2.450          3.164 .500 3/16
60 3/4 .468 .459 .444 .418 -.011 1.341 2.238 1.315     2.212       3.109          4.006 .600 1/4
80 1 .625 .575 .556 .526 -.012 1.709 2.862 1.679     2.832       3.985          5.138 .800 5/16
100 1-1/4 .750 .692 .670 .633 -.014 2.078 3.486 2.041     3.449       4.857          6.265 1.000 3/8
120 1-1/2 .875 .924 .894 .848 -.016 2.683 4.472 2.641     4.428       6.215          8.002 1.190 9/16
140 1-3/4 1.000 .924 .894 .848 -.016 2.818 4.742 2.772     4.696       6.620          8.544 1.375 1/2
160 2 1.125 1.156 1.119 1.063 -.019 3.424 5.729 3.368     5.673       7.978         10.283 1.600 21/32
180 2-1/4 1.406 1.301 1.259 1.197 -.020 3.851 6.443 3.789     6.381       8.973         11.565 1.815 11/16
200 2-1/2 1.562 1.389 1.344 1.278 -.021 4.161 6.978 4.095     6.912       9.729         12.546 1.950 3/4
240 3 1.875 1.738 1.682 1.601 -.025 5.140 8.598 5.059     8.517      11.975        15.433 2.415 1

Bevel each side is half of pitch; i.e. 3/4″pitch has 3/8″ bevel
(*) Tolerance is always on minus side except Type A plate (see page 7-8)