Sprockets with Hub 1 inch B.S. British Standard Steel

No. Teeth	Outside Diam.	Pitch Diam.	Simplex			Duplex			Triplex
No. Teeth	Outside Diam.	Pitch Diam.	Dm	d1	A	Dm	d1	A	Dm	d1	A
8	77.0	66.37	42	16	35	42	16	65	42	20	95
9	85.0	74.27	50	16	35	50	16	65	50	20	95
10	93.0	82.19	55	16	35	56	16	65	56	20	95
11	99.5	90.14	61	16	40	64	20	70	64	25	100
12	109.0	98.14	69	16	40	72	20	70	72	25	100
13	117.0	106.12	78	16	40	80	20	70	80	25	100
14	125.0	114.15	84	16	40	88	20	70	88	25	100
15	133.0	122.17	92	16	40	96	20	70	96	25	100
16	141.0	130.20	100	20	45	104	20	70	104	30	100
17	149.0	138.22	100	20	45	112	20	70	112	30	100
18	157.0	146.28	100	20	45	120	20	70	120	30	100
19	165.2	154.33	100	20	45	128	20	70	128	30	100
20	173.2	162.38	100	20	45	130	20	70	130	30	100
21	181.2	170.43	110	20	50	130	25	70	130	30	100
22	189.3	178.48	110	20	50	130	25	70	130	30	100
23	197.5	186.53	110	20	50	130	25	70	130	30	100
24	205.5	194.59	110	20	50	130	25	70	130	30	100
25	213.5	202.66	110	20	50	130	25	70	130	30	100
26	221.6	210.72	120	20	50	130	25	70	130	30	100
27	229.6	218.79	120	20	50	130	25	70	130	30	100
28	237.7	226.85	120	20	50	130	25	70	130	30	100
29	245.8	234.92	120	20	50	130	25	70	130	30	100
30	254.0	243.00	120	20	50	130	25	70	130	30	100
31	262.0	251.08	120	25	50	140	25	70	140	30	100
32	270.0	259.13	120	25	50	140	25	70	140	30	100
33	278.5	267.21	120	25	50	140	25	70	140	30	100
34	287.0	275.28	120	25	50	140	25	70	140	30	100
35	296.2	283.36	120	25	50	140	25	70	140	30	100
36	304.6	291.44	120	25	50	140	25	70	140	30	100
37	312.6	299.51	120	25	50	140	25	70	140	30	100
38	320.7	307.59	120	25	50	140	25	70	140	30	100
39	328.8	315.67	120	25	50	140	25	70	140	30	100
40	336.9	323.75	120	25	50	140	25	70	140	30	100

Sprockets British Standard 1" x 17.02mm Steel C45, UNI7845

Stock sizes

Available on short delivery

Tooth Radius r₃ = 26

Radius size C = 2.5

Tooth width B₁ = 16.2
Tooth width b₁ = 15.8
Tooth width B₂ = 47.7
Tooth width B₃ = 79.6

All dimensions in mm

Intermediate sizes & special platewheels to drawing up to 1000mm diameter

Standard : to DIN 8187 ISO/R 606

Please note : All dimensions including bore sizes subject to change.
If a dimension is critical to your application please contact our sales department for confirmation.
for special sprockets or reworked sprockets please contact our manufacturing department.

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