Tables / 40B

Sprocket chart 2 1/2" x 1 1/2" — 40B

Chain European ISO 606 / DIN 8187 · pitch 2.500" (63.50 mm) · roller Ø 1.550" · inner width 1.500" · simplex tooth width 1.425". Dimensions in inches. Tap a row to open it in the calculator (duplex, triplex, mm, material).

N	PD	OD	BD	CD	Max hub
8	6.533	7.377	4.983	4.983	3.837
9	7.310	8.189	5.760	5.648	4.670
10	8.090	8.999	6.540	6.540	5.496
11	8.874	9.806	7.324	7.233	6.316
12	9.659	10.611	8.109	8.109	7.132
13	10.446	11.415	8.896	8.820	7.945
14	11.235	12.218	9.685	9.685	8.755
15	12.024	13.020	10.474	10.408	9.563
16	12.815	13.821	11.265	11.265	10.370
17	13.605	14.621	12.055	11.997	11.175
18	14.397	15.421	12.847	12.847	11.980
19	15.189	16.221	13.639	13.587	12.783
20	15.981	17.020	14.431	14.431	13.586
21	16.774	17.819	15.224	15.177	14.388
22	17.567	18.617	16.017	16.017	15.190
23	18.360	19.416	16.810	16.767	15.990
24	19.153	20.214	17.603	17.603	16.791
25	19.947	21.012	18.397	18.357	17.591
26	20.741	21.809	19.191	19.191	18.391
27	21.534	22.607	19.984	19.948	19.191
28	22.329	23.404	20.779	20.779	19.990
29	23.123	24.202	21.573	21.539	20.789
30	23.917	24.999	22.367	22.367	21.588
31	24.711	25.796	23.161	23.130	22.386
32	25.506	26.593	23.956	23.956	23.185
33	26.300	27.390	24.750	24.720	23.983
34	27.095	28.187	25.545	25.545	24.781
35	27.890	28.984	26.340	26.311	25.579
36	28.684	29.781	27.134	27.134	26.377
37	29.479	30.578	27.929	27.903	27.175
38	30.274	31.374	28.724	28.724	27.972
39	31.069	32.171	29.519	29.494	28.770
40	31.864	32.967	30.314	30.314	29.567
41	32.659	33.764	31.109	31.085	30.365
42	33.454	34.561	31.904	31.904	31.162
43	34.249	35.357	32.699	32.676	31.959
44	35.044	36.154	33.494	33.494	32.756
45	35.839	36.950	34.289	34.267	33.553
46	36.634	37.746	35.084	35.084	34.350
47	37.429	38.543	35.879	35.858	35.147
48	38.224	39.339	36.674	36.674	35.944
49	39.020	40.135	37.470	37.450	36.741
50	39.815	40.932	38.265	38.265	37.538
51	40.610	41.728	39.060	39.041	38.335
52	41.405	42.524	39.855	39.855	39.132
53	42.201	43.320	40.651	40.632	39.928
54	42.996	44.117	41.446	41.446	40.725
55	43.791	44.913	42.241	42.224	41.522
56	44.587	45.709	43.037	43.037	42.318
57	45.382	46.505	43.832	43.815	43.115
58	46.178	47.301	44.628	44.628	43.911
59	46.973	48.098	45.423	45.406	44.708
60	47.768	48.894	46.218	46.218	45.504
61	48.564	49.690	47.014	46.998	46.301
62	49.359	50.486	47.809	47.809	47.097
63	50.155	51.282	48.605	48.589	47.894
64	50.950	52.078	49.400	49.400	48.690
65	51.746	52.874	50.196	50.180	49.487
66	52.541	53.670	50.991	50.991	50.283
67	53.336	54.466	51.786	51.772	51.079
68	54.132	55.262	52.582	52.582	51.876
69	54.927	56.058	53.377	53.363	52.672
70	55.723	56.855	54.173	54.173	53.468
71	56.518	57.651	54.968	54.955	54.265
72	57.314	58.447	55.764	55.764	55.061
73	58.109	59.243	56.559	56.546	55.857
74	58.905	60.039	57.355	57.355	56.654
75	59.701	60.835	58.151	58.137	57.450
76	60.496	61.631	58.946	58.946	58.246
77	61.292	62.427	59.742	59.729	59.042
78	62.087	63.223	60.537	60.537	59.838
79	62.883	64.019	61.333	61.320	60.635
80	63.678	64.815	62.128	62.128	61.431
81	64.474	65.611	62.924	62.912	62.227
82	65.269	66.407	63.719	63.719	63.023
83	66.065	67.202	64.515	64.503	63.819
84	66.861	67.998	65.311	65.311	64.616
85	67.656	68.794	66.106	66.095	65.412
86	68.452	69.590	66.902	66.902	66.208
87	69.247	70.386	67.697	67.686	67.004
88	70.043	71.182	68.493	68.493	67.800
89	70.839	71.978	69.289	69.278	68.596
90	71.634	72.774	70.084	70.084	69.392
91	72.430	73.570	70.880	70.869	70.188
92	73.226	74.366	71.676	71.676	70.984
93	74.021	75.162	72.471	72.461	71.781
94	74.817	75.958	73.267	73.267	72.577
95	75.612	76.754	74.062	74.052	73.373
96	76.408	77.550	74.858	74.858	74.169
97	77.204	78.346	75.654	75.644	74.965
98	77.999	79.142	76.449	76.449	75.761
99	78.795	79.937	77.245	77.235	76.557
100	79.591	80.733	78.041	78.041	77.353
101	80.386	81.529	78.836	78.826	78.149
102	81.182	82.325	79.632	79.632	78.945
103	81.978	83.121	80.428	80.418	79.741
104	82.773	83.917	81.223	81.223	80.537
105	83.569	84.713	82.019	82.009	81.333
106	84.364	85.509	82.814	82.814	82.129
107	85.160	86.305	83.610	83.601	82.925
108	85.956	87.100	84.406	84.406	83.721
109	86.751	87.896	85.201	85.192	84.517
110	87.547	88.692	85.997	85.997	85.313
111	88.343	89.488	86.793	86.784	86.109
112	89.138	90.284	87.588	87.588	86.905
113	89.934	91.080	88.384	88.375	87.701
114	90.730	91.876	89.180	89.180	88.497
115	91.525	92.672	89.975	89.967	89.293
116	92.321	93.467	90.771	90.771	90.089
117	93.117	94.263	91.567	91.558	90.885
118	93.913	95.059	92.363	92.363	91.681
119	94.708	95.855	93.158	93.150	92.477
120	95.504	96.651	93.954	93.954	93.273

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).