Tables / 06B

Sprocket chart 3/8" x 7/32" — 06B

Chain European ISO 606 / DIN 8187 · pitch 0.375" (9.53 mm) · roller Ø 0.250" · inner width 0.225" · simplex tooth width 0.209". Dimensions in inches. Tap a row to open it in the calculator (duplex, triplex, mm, material).

N	PD	OD	BD	CD	Max hub
8	0.980	1.089	0.730	0.730	0.537
9	1.096	1.211	0.846	0.830	0.662
10	1.214	1.332	0.964	0.964	0.786
11	1.331	1.453	1.081	1.068	0.909
12	1.449	1.574	1.199	1.199	1.031
13	1.567	1.695	1.317	1.306	1.153
14	1.685	1.815	1.435	1.435	1.275
15	1.804	1.935	1.554	1.544	1.396
16	1.922	2.056	1.672	1.672	1.517
17	2.041	2.176	1.791	1.782	1.638
18	2.160	2.296	1.910	1.910	1.759
19	2.278	2.416	2.028	2.021	1.879
20	2.397	2.535	2.147	2.147	2.000
21	2.516	2.655	2.266	2.259	2.120
22	2.635	2.775	2.385	2.385	2.240
23	2.754	2.895	2.504	2.498	2.360
24	2.873	3.015	2.623	2.623	2.480
25	2.992	3.134	2.742	2.736	2.600
26	3.111	3.254	2.861	2.861	2.720
27	3.230	3.374	2.980	2.975	2.840
28	3.349	3.493	3.099	3.099	2.960
29	3.468	3.613	3.218	3.213	3.080
30	3.588	3.732	3.338	3.338	3.200
31	3.707	3.852	3.457	3.452	3.320
32	3.826	3.971	3.576	3.576	3.439
33	3.945	4.091	3.695	3.691	3.559
34	4.064	4.211	3.814	3.814	3.679
35	4.183	4.330	3.933	3.929	3.798
36	4.303	4.450	4.053	4.053	3.918
37	4.422	4.569	4.172	4.168	4.038
38	4.541	4.689	4.291	4.291	4.157
39	4.660	4.808	4.410	4.407	4.277
40	4.780	4.928	4.530	4.530	4.397
41	4.899	5.047	4.649	4.645	4.516
42	5.018	5.167	4.768	4.768	4.636
43	5.137	5.286	4.887	4.884	4.755
44	5.257	5.406	5.007	5.007	4.875
45	5.376	5.525	5.126	5.123	4.995
46	5.495	5.644	5.245	5.245	5.114
47	5.614	5.764	5.364	5.361	5.234
48	5.734	5.883	5.484	5.484	5.353
49	5.853	6.003	5.603	5.600	5.473
50	5.972	6.122	5.722	5.722	5.592
51	6.092	6.242	5.842	5.839	5.712
52	6.211	6.361	5.961	5.961	5.831
53	6.330	6.481	6.080	6.077	5.951
54	6.449	6.600	6.199	6.199	6.070
55	6.569	6.719	6.319	6.316	6.190
56	6.688	6.839	6.438	6.438	6.309
57	6.807	6.958	6.557	6.555	6.429
58	6.927	7.078	6.677	6.677	6.548
59	7.046	7.197	6.796	6.793	6.668
60	7.165	7.317	6.915	6.915	6.787
61	7.285	7.436	7.035	7.032	6.907
62	7.404	7.555	7.154	7.154	7.026
63	7.523	7.675	7.273	7.271	7.146
64	7.643	7.794	7.393	7.393	7.265
65	7.762	7.914	7.512	7.510	7.385
66	7.881	8.033	7.631	7.631	7.504
67	8.000	8.152	7.750	7.748	7.624
68	8.120	8.272	7.870	7.870	7.743
69	8.239	8.391	7.989	7.987	7.862
70	8.358	8.511	8.108	8.108	7.982
71	8.478	8.630	8.228	8.226	8.101
72	8.597	8.749	8.347	8.347	8.221
73	8.716	8.869	8.466	8.464	8.340
74	8.836	8.988	8.586	8.586	8.460
75	8.955	9.108	8.705	8.703	8.579
76	9.074	9.227	8.824	8.824	8.699
77	9.194	9.346	8.944	8.942	8.818
78	9.313	9.466	9.063	9.063	8.937
79	9.432	9.585	9.182	9.181	9.057
80	9.552	9.705	9.302	9.302	9.176
81	9.671	9.824	9.421	9.419	9.296
82	9.790	9.943	9.540	9.540	9.415
83	9.910	10.063	9.660	9.658	9.535
84	10.029	10.182	9.779	9.779	9.654
85	10.148	10.302	9.898	9.897	9.773
86	10.268	10.421	10.018	10.018	9.893
87	10.387	10.540	10.137	10.135	10.012
88	10.506	10.660	10.256	10.256	10.132
89	10.626	10.779	10.376	10.374	10.251
90	10.745	10.899	10.495	10.495	10.370
91	10.864	11.018	10.614	10.613	10.490
92	10.984	11.137	10.734	10.734	10.609
93	11.103	11.257	10.853	10.852	10.729
94	11.223	11.376	10.973	10.973	10.848
95	11.342	11.496	11.092	11.090	10.968
96	11.461	11.615	11.211	11.211	11.087
97	11.581	11.734	11.331	11.329	11.206
98	11.700	11.854	11.450	11.450	11.326
99	11.819	11.973	11.569	11.568	11.445
100	11.939	12.092	11.689	11.689	11.565
101	12.058	12.212	11.808	11.806	11.684
102	12.177	12.331	11.927	11.927	11.803
103	12.297	12.451	12.047	12.045	11.923
104	12.416	12.570	12.166	12.166	12.042
105	12.535	12.689	12.285	12.284	12.162
106	12.655	12.809	12.405	12.405	12.281
107	12.774	12.928	12.524	12.523	12.400
108	12.893	13.048	12.643	12.643	12.520
109	13.013	13.167	12.763	12.761	12.639
110	13.132	13.286	12.882	12.882	12.759
111	13.251	13.406	13.001	13.000	12.878
112	13.371	13.525	13.121	13.121	12.997
113	13.490	13.644	13.240	13.239	13.117
114	13.609	13.764	13.359	13.359	13.236
115	13.729	13.883	13.479	13.478	13.356
116	13.848	14.003	13.598	13.598	13.475
117	13.968	14.122	13.718	13.716	13.594
118	14.087	14.241	13.837	13.837	13.714
119	14.206	14.361	13.956	13.955	13.833
120	14.326	14.480	14.076	14.076	13.953

PD = p / sin(180°/N) · OD = European practice within the ISO 606 range · BD = PD − roller Ø · CD = BD (even N) or PD·cos(90°/N) − roller Ø (odd N).