Tables / 48B

Sprocket chart 3" x 1 3/4" — 48B

Chain European ISO 606 / DIN 8187 · pitch 3.000" (76.20 mm) · roller Ø 1.900" · inner width 1.800" · simplex tooth width 1.710". Dimensions in inches. Tap a row to open it in the calculator (duplex, triplex, mm, material).

N	PD	OD	BD	CD	Max hub
8	7.839	8.812	5.939	5.939	4.597
9	8.771	9.787	6.871	6.738	5.597
10	9.708	10.759	7.808	7.808	6.588
11	10.648	11.727	8.748	8.640	7.572
12	11.591	12.694	9.691	9.691	8.551
13	12.536	13.658	10.636	10.544	9.526
14	13.482	14.622	11.582	11.582	10.498
15	14.429	15.584	12.529	12.450	11.468
16	15.377	16.545	13.477	13.477	12.437
17	16.327	17.506	14.427	14.357	13.403
18	17.276	18.465	15.376	15.376	14.368
19	18.227	19.425	16.327	16.264	15.333
20	19.177	20.384	17.277	17.277	16.296
21	20.129	21.342	18.229	18.172	17.258
22	21.080	22.301	19.180	19.180	18.220
23	22.032	23.259	20.132	20.080	19.181
24	22.984	24.216	21.084	21.084	20.142
25	23.936	25.174	22.036	21.989	21.102
26	24.889	26.131	22.989	22.989	22.062
27	25.841	27.088	23.941	23.898	23.021
28	26.794	28.045	24.894	24.894	23.980
29	27.747	29.002	25.847	25.807	24.939
30	28.700	29.959	26.800	26.800	25.898
31	29.654	30.915	27.754	27.715	26.856
32	30.607	31.872	28.707	28.707	27.814
33	31.560	32.828	29.660	29.625	28.772
34	32.514	33.785	30.614	30.614	29.730
35	33.467	34.741	31.567	31.534	30.687
36	34.421	35.697	32.521	32.521	31.645
37	35.375	36.653	33.475	33.443	32.602
38	36.329	37.609	34.429	34.429	33.559
39	37.283	38.565	35.383	35.352	34.516
40	38.236	39.521	36.336	36.336	35.473
41	39.190	40.477	37.290	37.262	36.430
42	40.144	41.433	38.244	38.244	37.387
43	41.099	42.388	39.199	39.171	38.343
44	42.053	43.344	40.153	40.153	39.300
45	43.007	44.300	41.107	41.081	40.257
46	43.961	45.256	42.061	42.061	41.213
47	44.915	46.211	43.015	42.990	42.169
48	45.869	47.167	43.969	43.969	43.126
49	46.824	48.122	44.924	44.900	44.082
50	47.778	49.078	45.878	45.878	45.038
51	48.732	50.034	46.832	46.809	45.994
52	49.687	50.989	47.787	47.787	46.950
53	50.641	51.945	48.741	48.719	47.907
54	51.595	52.900	49.695	49.695	48.863
55	52.550	53.855	50.650	50.628	49.819
56	53.504	54.811	51.604	51.604	50.774
57	54.459	55.766	52.559	52.538	51.730
58	55.413	56.722	53.513	53.513	52.686
59	56.367	57.677	54.467	54.448	53.642
60	57.322	58.632	55.422	55.422	54.598
61	58.276	59.588	56.376	56.357	55.554
62	59.231	60.543	57.331	57.331	56.509
63	60.186	61.498	58.286	58.267	57.465
64	61.140	62.454	59.240	59.240	58.421
65	62.095	63.409	60.195	60.176	59.377
66	63.049	64.364	61.149	61.149	60.332
67	64.004	65.320	62.104	62.086	61.288
68	64.958	66.275	63.058	63.058	62.244
69	65.913	67.230	64.013	63.996	63.199
70	66.868	68.185	64.968	64.968	64.155
71	67.822	69.141	65.922	65.906	65.110
72	68.777	70.096	66.877	66.877	66.066
73	69.731	71.051	67.831	67.815	67.021
74	70.686	72.006	68.786	68.786	67.977
75	71.641	72.962	69.741	69.725	68.932
76	72.595	73.917	70.695	70.695	69.888
77	73.550	74.872	71.650	71.635	70.843
78	74.505	75.827	72.605	72.605	71.799
79	75.459	76.782	73.559	73.544	72.754
80	76.414	77.738	74.514	74.514	73.710
81	77.369	78.693	75.469	75.454	74.665
82	78.323	79.648	76.423	76.423	75.620
83	79.278	80.603	77.378	77.364	76.576
84	80.233	81.558	78.333	78.333	77.531
85	81.188	82.513	79.288	79.274	78.487
86	82.142	83.468	80.242	80.242	79.442
87	83.097	84.424	81.197	81.183	80.397
88	84.052	85.379	82.152	82.152	81.353
89	85.006	86.334	83.106	83.093	82.308
90	85.961	87.289	84.061	84.061	83.263
91	86.916	88.244	85.016	85.003	84.219
92	87.871	89.199	85.971	85.971	85.174
93	88.825	90.154	86.925	86.913	86.129
94	89.780	91.109	87.880	87.880	87.084
95	90.735	92.065	88.835	88.822	88.040
96	91.690	93.020	89.790	89.790	88.995
97	92.644	93.975	90.744	90.732	89.950
98	93.599	94.930	91.699	91.699	90.906
99	94.554	95.885	92.654	92.642	91.861
100	95.509	96.840	93.609	93.609	92.816
101	96.463	97.795	94.563	94.552	93.771
102	97.418	98.750	95.518	95.518	94.727
103	98.373	99.705	96.473	96.462	95.682
104	99.328	100.660	97.428	97.428	96.637
105	100.283	101.615	98.383	98.371	97.592
106	101.237	102.570	99.337	99.337	98.547
107	102.192	103.525	100.292	100.281	99.503
108	103.147	104.481	101.247	101.247	100.458
109	104.102	105.436	102.202	102.191	101.413
110	105.057	106.391	103.157	103.157	102.368
111	106.011	107.346	104.111	104.101	103.323
112	106.966	108.301	105.066	105.066	104.279
113	107.921	109.256	106.021	106.011	105.234
114	108.876	110.211	106.976	106.976	106.189
115	109.831	111.166	107.931	107.920	107.144
116	110.785	112.121	108.885	108.885	108.099
117	111.740	113.076	109.840	109.830	109.054
118	112.695	114.031	110.795	110.795	110.010
119	113.650	114.986	111.750	111.740	110.965
120	114.605	115.941	112.705	112.705	111.920

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).