JIS 41-1 · 12,70 mm (1/2") pitch

Description

Sprocket for simplex, duplex and triplex chain to: DIN 8188 - ISO/R 606 - ANSI B 29,1

No.Teeth	OD	PD	Single sprocket with hub on one side (B type)				Flat plain (A type)
No.Teeth	OD	PD	dm1	D1	A1	Approx. Weight.Kg	D1	Approx. Weight.Kg
9	42	37.13	28 ※	9	22	0.11	9
10	46	41.10	32 ※	9	22	0.14	9	0.05
11	51	45.08	37 ※	10	22	0.19	10	0.06
12	53	49.07	40 ※	10	22	0.22	10	0.10
13	58	53.07	37	13	22	0.23	13	0.10
14	63	57.07	42	13	22	0.28	13	0.11
15	67	61.08	46	13	22	0.34	13	0.15
16	71	65.10	50	13	22	0.40	13	0.17
17	75	69.12	54	13	22	0.46	13	0.20
18	78	73.14	57	13	22	0.51	13	0.20
19	83	77.16	62	13	22	0.59	13	0.26
20	88	81.18	67	14	25	0.76	14	0.26
21	92	85.21	71	14	25	0.85	14	0.30
22	96	89.24	75	14	25	0.95	14	0.30
23	98	93.27	77	14	25	1.00	14	0.35
24	104	97.30	63	14	25	0.81	14	0.37
25	108	101.33	63	14	25	0.88	14	0.40
26	112	105.36	63	14	25	0.92	14	0.35
27	116	109.40	63	14	25	0.96	14	0.50
28	120	113.43	63	14	25	1.00	14	0.51
29	124	117.46	63	14	25	1.10	14	0.51
30	128	121.50	63	14	25	1.10	14	0.60
31	132	125.53	63	14	25	1.20	14	0.61
32	137	129.57	68	14	28	1.30	14	0.68
33	140	133.61	68	14	28	1.30	14	0.70
34	145	137.64	68	14	28	1.30	14	0.75
35	149	141.68	68	14	28	1.40	14	0.83
36	153	145.72	67	17	28	1.40	17	0.90
37	157	149.75	67	17	28	1.50	17	0.93
38	161	153.79	67	17	28	1.50	17	0.95
39	165	157.83	67	17	28	1.60	17	1.05
40	169	161.87	67	17	28	1.60	17	1.06
41	173	165.91	72	17	32	1.70	17	1.15
42	177	169.95	72	17	32	2.00	17	1.20
43	181	173.98	72	17	32	2.10	17	1.23
44	185	178.02	72	17	32	2.20	17	1.30
45	189	182.06	72	17	32	2.20	17	1.36
48	201	194.18	72	17	32	2.30	17	1.53
50	209	202.26	72	17	32	2.40	17	1.70
54	226	218.42	72	17	32	2.80	17	2.00
60	250	242.66	72	17	32	3.20	17	2.50
65	270	262.87	82	17	32	3.90	17	2.87
70	290	283.07	82	19	32	4.30	19	3.30
72	299	291.16	82	19	32	4.80	19	3.40
75	311	303.28	82	19	32	5.00	19	4.50