THESE CHARTS ARE PROVIDED AS A REFERENCE ONLY AND DO NOT REFLECT SPROCKETS IN STOCK

STANDARD ROLLER CHAIN SPROCKET DIAMETERS
3/8 INCH PITCH - NO. 35
.200-INCH DIAMETER ROLLER

No.
Teeth
Outside
Diameter
Pitch
Diameter
Caliper
Diameter
8 1.130 0.980 0.780
9 1.256 1.097 0.880
10 1.379 1.214 1.014
11 1.502 1.331 1.117
12 1.625 1.449 1.249
13 1.746 1.567 1.356
14 1.868 1.685 1.485
15 1.989 1.804 1.594
16 2.110 1.922 1.722
17 2.231 2.041 1.832
18 2.352 2.160 1.960
19 2.472 2.279 2.071
20 2.593 2.397 2.197
21 2.713 2.516 2.309
22 2.833 2.635 2.435
23 2.954 2.754 2.548
24 3.074 2.873 2.673
25 3.194 2.992 2.786
26 3.314 3.111 2.911
27 3.434 3.230 3.025
28 3.553 3.349 3.149
29 3.673 3.468 3.263
30 3.793 3.588 3.388
31 3.913 3.707 3.502
32 4.032 3.826 3.626
33 4.152 3.945 3.741
34 4.272 4.064 3.864
35 4.392 4.184 3.979
36 4.511 4.303 4.103
37 4.631 4.422 4.218
38 4.751 4.541 4.341
39 4.870 4.661 4.457
40 4.990 4.780 4.580
41 5.109 4.899 4.695
42 5.229 5.018 4.818
43 5.349 5.138 4.934
44 5.468 5.257 5.057
45 5.588 5.376 5.173
46 5.707 5.495 5.295
47 5.827 5.615 5.411
48 5.946 5.734 5.534
49 6.066 5.853 5.650
50 6.186 5.972 5.772
51 6.305 6.092 5.889
52 6.425 6.211 6.011
53 6.544 6.330 6.127
54 6.663 6.449 6.249
55 6.783 6.569 6.366
56 6.903 6.688 6.488
57 7.022 6.807 6.605
58 7.142 6.927 6.727
59 7.261 7.046 6.843
60 7.380 7.165 6.965
61 7.500 7.285 7.082
62 7.619 7.404 7.204
63 7.739 7.523 7.321
64 7.859 7.643 7.443
65 7.978 7.762 7.560

ABL Home Page