Maximum Hub Diameters
American
Standard Chain Numbers and Pitch in Inches
| No. Teeth
|
35 3/8"
|
40 1/2"
|
50 5/8"
|
60 3/4"
|
80 1"
|
100 1-1/4"
|
120 1-1/2"
|
140 1-3/4"
|
160 2"
|
200 2-1/2"
|
240 3"
|
| 7 |
.484 |
.627 |
.806 |
.968 |
1.253 |
1.615 |
1.936 |
2.262 |
2.587 |
3.250 |
|
| 8 |
.602 |
.794 |
1.003 |
1.204 |
1.577 |
2.008 |
2.408 |
2.812 |
3.215 |
4.030 |
|
| 9 |
.720 |
.961 |
1.200 |
1.440 |
1.901 |
2.401 |
2.880 |
3.362 |
3.843 |
4.810 |
|
| 10 |
.838 |
1.118 |
1.397 |
1.676 |
2.225 |
2.794 |
3.352 |
3.912 |
4.471 |
5.590 |
6.204 |
| 11 |
.956 |
1.275 |
1.594 |
1.912 |
2.549 |
3.187 |
3.824 |
4.462 |
5.099 |
6.372 |
7.188 |
| 12 |
1.074 |
1.432 |
1.790 |
2.148 |
2.863 |
3.580 |
4.296 |
5.012 |
5.727 |
7.160 |
8.166 |
| 13 |
1.192 |
1.589 |
1.987 |
2.384 |
3.178 |
3.973 |
4.768 |
5.563 |
6.357 |
7.947 |
9.141 |
| 14 |
1.310 |
1.747 |
2.184 |
2.621 |
3.394 |
4.367 |
5.241 |
6.114 |
6.188 |
8.735 |
10.110 |
| 15 |
1.429 |
1.905 |
2.381 |
2.857 |
3.809 |
4.767 |
5.715 |
6.667 |
7.620 |
9.525 |
11.080 |
| 16 |
1.547 |
2.063 |
2.579 |
3.094 |
4.125 |
5.157 |
6.189 |
7.220 |
8.252 |
10.315 |
12.050 |
| 17 |
1.666 |
2.221 |
2.776 |
3.382 |
4.442 |
5.553 |
6.666 |
7.774 |
8.885 |
11.105 |
13.020 |
| 18 |
1.784 |
2.379 |
2.974 |
3.569 |
4.758 |
5.948 |
7.138 |
8.328 |
9.518 |
11.891 |
13.980 |
| 19 |
1.903 |
2.538 |
3.172 |
3.807 |
5.075 |
6.345 |
7.613 |
8.882 |
10.151 |
12.690 |
14.950 |
| 20 |
2.022 |
2.696 |
3.370 |
4.044 |
5.392 |
6.741 |
8.089 |
9.437 |
10.785 |
13.482 |
15.880 |
| 21 |
2.141 |
2.855 |
3.569 |
4.282 |
5.709 |
7.137 |
8.564 |
9.992 |
11.419 |
14.275 |
16.830 |
| 22 |
2.260 |
3.013 |
3.767 |
4.520 |
6.026 |
7.533 |
9.040 |
10.547 |
12.053 |
15.067 |
17.783 |
| 23 |
2.379 |
3.172 |
3.965 |
4.758 |
6.343 |
7.930 |
9.516 |
11.102 |
12.688 |
15.860 |
18.735 |
| 24 |
2.498 |
3.331 |
4.163 |
4.996 |
6.661 |
8.327 |
9.992 |
11.657 |
13.323 |
16.651 |
19.688 |
| 25 |
2.617 |
3.489 |
4.362 |
5.234 |
6.978 |
8.723 |
10.468 |
12.213 |
13.958 |
17.447 |
20.640 |
American Standard Extended Pitch Chain
Numbers and Pitch
| No. Teeth
|
2040 1"
|
2050 1.1/4"
|
2060 1-1/2"
|
2080 2"
|
2100 2-1/2"
|
2120 3"
|
2160 4"
|
| 12 |
1.20 |
1.51 |
1.82 |
2.43 |
3.05 |
3.67 |
4.90 |
| 13 |
1.38 |
1.73 |
2.08 |
2.78 |
3.48 |
4.19 |
5.59 |
| 14 |
1.55 |
1.94 |
2.34 |
3.12 |
3.91 |
4.70 |
6.28 |
| 15 |
1.72 |
2.15 |
2.59 |
3.46 |
4.34 |
5.21 |
6.95 |
| 16 |
1.88 |
2.36 |
2.84 |
3.80 |
4.76 |
5.71 |
7.63 |
| 17 |
2.05 |
2.57 |
3.09 |
4.13 |
5.18 |
6.21 |
8.29 |
| 18 |
2.22 |
2.80 |
3.34 |
4.47 |
5.59 |
6.71 |
8.96 |
| 19 |
2.38 |
2.99 |
3.59 |
4.80 |
6.00 |
7.24 |
9.62 |
| 20 |
2.55 |
3.19 |
3.84 |
5.13 |
6.41 |
7.71 |
10.28 |
| 21 |
2.71 |
3.40 |
4.08 |
5.45 |
6.83 |
8.20 |
10.94 |
| 22 |
2.88 |
3.60 |
4.33 |
5.78 |
7.23 |
8.69 |
11.59 |
| 23 |
3.04 |
3.81 |
4.57 |
6.11 |
7.64 |
9.18 |
12.25 |
| 24 |
3.20 |
4.04 |
4.82 |
6.43 |
8.05 |
9.67 |
12.90 |
| 25 |
3.36 |
4.21 |
5.06 |
6.76 |
8.46 |
10.15 |
13.55 |
See
our Oil Field Sprocket Photos Page:
|
