Tables / ANSI 60

Sprocket chart 3/4" x 1/2" — ANSI 60 (12A)

Chain American ANSI B29.1 · pitch 0.750" (19.05 mm) · roller Ø 0.469" · inner width 0.495" · simplex tooth width 0.470". Dimensions in inches. Tap a row to open it in the calculator (duplex, triplex, mm, material).

N	PD	OD	BD	CD	Max hub
8	1.960	2.261	1.491	1.491	1.040
9	2.193	2.511	1.724	1.691	1.290
10	2.427	2.758	1.958	1.958	1.538
11	2.662	3.004	2.193	2.166	1.784
12	2.898	3.249	2.429	2.429	2.029
13	3.134	3.493	2.665	2.642	2.273
14	3.370	3.736	2.902	2.902	2.516
15	3.607	3.978	3.138	3.119	2.758
16	3.844	4.221	3.375	3.375	3.000
17	4.082	4.462	3.613	3.595	3.242
18	4.319	4.703	3.850	3.850	3.483
19	4.557	4.945	4.088	4.072	3.724
20	4.794	5.185	4.325	4.325	3.965
21	5.032	5.426	4.563	4.549	4.206
22	5.270	5.666	4.801	4.801	4.446
23	5.508	5.907	5.039	5.026	4.686
24	5.746	6.147	5.277	5.277	4.927
25	5.984	6.387	5.515	5.503	5.167
26	6.222	6.627	5.753	5.753	5.407
27	6.460	6.867	5.991	5.981	5.646
28	6.699	7.106	6.230	6.230	5.886
29	6.937	7.346	6.468	6.458	6.126
30	7.175	7.586	6.706	6.706	6.366
31	7.413	7.825	6.944	6.935	6.605
32	7.652	8.065	7.183	7.183	6.845
33	7.890	8.304	7.421	7.412	7.084
34	8.128	8.544	7.660	7.660	7.324
35	8.367	8.783	7.898	7.890	7.563
36	8.605	9.023	8.136	8.136	7.802
37	8.844	9.262	8.375	8.367	8.042
38	9.082	9.501	8.613	8.613	8.281
39	9.321	9.740	8.852	8.844	8.520
40	9.559	9.980	9.090	9.090	8.759
41	9.798	10.219	9.329	9.322	8.999
42	10.036	10.458	9.567	9.567	9.238
43	10.275	10.697	9.806	9.799	9.477
44	10.513	10.936	10.044	10.044	9.716
45	10.752	11.175	10.283	10.276	9.955
46	10.990	11.415	10.521	10.521	10.194
47	11.229	11.654	10.760	10.754	10.434
48	11.467	11.893	10.998	10.998	10.673
49	11.706	12.132	11.237	11.231	10.912
50	11.944	12.371	11.476	11.476	11.151
51	12.183	12.610	11.714	11.708	11.390
52	12.422	12.849	11.953	11.953	11.629
53	12.660	13.088	12.191	12.186	11.868
54	12.899	13.327	12.430	12.430	12.107
55	13.137	13.566	12.669	12.663	12.346
56	13.376	13.805	12.907	12.907	12.585
57	13.615	14.044	13.146	13.141	12.824
58	13.853	14.283	13.384	13.384	13.063
59	14.092	14.522	13.623	13.618	13.302
60	14.330	14.761	13.862	13.862	13.541
61	14.569	15.000	14.100	14.095	13.780
62	14.808	15.239	14.339	14.339	14.019
63	15.046	15.478	14.577	14.573	14.257
64	15.285	15.717	14.816	14.816	14.496
65	15.524	15.956	15.055	15.050	14.735
66	15.762	16.194	15.293	15.293	14.974
67	16.001	16.433	15.532	15.528	15.213
68	16.240	16.672	15.771	15.771	15.452
69	16.478	16.911	16.009	16.005	15.691
70	16.717	17.150	16.248	16.248	15.930
71	16.956	17.389	16.487	16.482	16.169
72	17.194	17.628	16.725	16.725	16.408
73	17.433	17.867	16.964	16.960	16.647
74	17.672	18.106	17.203	17.203	16.885
75	17.910	18.344	17.441	17.437	17.124
76	18.149	18.583	17.680	17.680	17.363
77	18.387	18.822	17.919	17.915	17.602
78	18.626	19.061	18.157	18.157	17.841
79	18.865	19.300	18.396	18.392	18.080
80	19.104	19.539	18.635	18.635	18.319
81	19.342	19.778	18.873	18.870	18.557
82	19.581	20.016	19.112	19.112	18.796
83	19.820	20.255	19.351	19.347	19.035
84	20.058	20.494	19.589	19.589	19.274
85	20.297	20.733	19.828	19.825	19.513
86	20.536	20.972	20.067	20.067	19.752
87	20.774	21.211	20.305	20.302	19.990
88	21.013	21.450	20.544	20.544	20.229
89	21.252	21.688	20.783	20.779	20.468
90	21.490	21.927	21.021	21.021	20.707
91	21.729	22.166	21.260	21.257	20.946
92	21.968	22.405	21.499	21.499	21.185
93	22.206	22.644	21.737	21.734	21.423
94	22.445	22.882	21.976	21.976	21.662
95	22.684	23.121	22.215	22.212	21.901
96	22.922	23.360	22.454	22.454	22.140
97	23.161	23.599	22.692	22.689	22.379
98	23.400	23.838	22.931	22.931	22.618
99	23.638	24.077	23.170	23.167	22.856
100	23.877	24.315	23.408	23.408	23.095
101	24.116	24.554	23.647	23.644	23.334
102	24.355	24.793	23.886	23.886	23.573
103	24.593	25.032	24.124	24.121	23.812
104	24.832	25.271	24.363	24.363	24.050
105	25.071	25.509	24.602	24.599	24.289
106	25.309	25.748	24.840	24.840	24.528
107	25.548	25.987	25.079	25.076	24.767
108	25.787	26.226	25.318	25.318	25.006
109	26.025	26.465	25.557	25.554	25.244
110	26.264	26.703	25.795	25.795	25.483
111	26.503	26.942	26.034	26.031	25.722
112	26.742	27.181	26.273	26.273	25.961
113	26.980	27.420	26.511	26.509	26.200
114	27.219	27.659	26.750	26.750	26.438
115	27.458	27.897	26.989	26.986	26.677
116	27.696	28.136	27.227	27.227	26.916
117	27.935	28.375	27.466	27.464	27.155
118	28.174	28.614	27.705	27.705	27.394
119	28.412	28.853	27.944	27.941	27.632
120	28.651	29.091	28.182	28.182	27.871

PD = p / sin(180°/N) · OD = p·(0.6 + cot(180°/N)) · BD = PD − roller Ø · CD = BD (even N) or PD·cos(90°/N) − roller Ø (odd N).