Sprockets with Double Simplex British Standard Steel

Type	No. Teeth	Outside Diam.	Pitch Diam.	d	A	B h14	C max	L	r
3/8" x 7/32" 06-B1	13	43.45	39.80	10	20.3	5.3	28	25.5	0.4
	15	49.46	45.81	10	20.3	5.3	34	25.5	0.4
	17	55.49	51.84	12	20.3	5.3	40	25.5	0.4
	18	58.30	54.85	12	20.3	5.3	43	25.5	0.4
	19	61.52	57.87	12	20.3	5.3	46	25.5	0.4
	20	64.30	60.89	12	20.3	5.3	49	25.5	0.4
	21	67.56	63.91	15	20.3	5.3	42	25.5	0.4
	23	73.60	69.95	15	20.3	5.3	59	25.5	0.4
	25	79.65	76.00	15	20.3	5.3	65	25.5	0.4
1/2" x 5/16" 08-B1	13	57.56	53.07	12	24.8	7.2	37	32.0	0.6
	15	65.57	61.08	12	24.8	7.2	45	32.0	0.6
	17	73.61	69.12	12	24.8	7.2	53	32.0	0.6
	18	78.00	73.14	12	24.8	7.2	57	32.0	0.6
	19	81.65	77.16	12	24.8	7.2	62	32.0	0.6
	20	86.00	81.19	12	24.8	7.2	65	32.0	0.6
	21	89.70	85.21	15	24.8	7.2	70	32.0	0.6
	23	97.76	93.27	15	24.8	7.2	78	32.0	0.6
	25	105.82	101.33	15	24.8	7.2	86	32.0	0.6
5/8" x 3/8" 10-B1	13	73.17	66.33	15	27.9	9.1	48	37.0	0.6
	15	83.19	76.35	15	27.9	9.1	58	37.0	0.6
	17	93.23	86.39	15	27.9	9.1	68	37.0	0.6
	18	98.30	91.42	15	27.9	9.1	72	37.0	0.6
	19	103.29	96.45	19	27.9	9.1	79	37.0	0.6
	20	108.40	101.49	19	27.9	9.1	82	37.0	0.6
	21	113.35	106.51	19	27.9	9.1	89	37.0	0.6
	23	123.43	116.59	19	27.9	9.1	99	37.0	0.6
	25	133.50	126.66	19	27.9	9.1	109	37.0	0.6
3/4" x 7/16" 12-B1	13	87.13	76.90	20	33.9	11.1	59	45.0	0.6
	15	99.16	91.63	20	33.9	11.1	71	45.0	0.6
	17	111.20	103.67	20	33.9	11.1	83	45.0	0.6
	18	118.00	109.71	20	33.9	11.1	88	45.0	0.6
	19	123.27	115.74	20	33.9	11.1	95	45.0	0.6
	20	129.70	121.78	20	33.9	11.1	101	45.0	0.6
	21	135.35	127.82	24	33.9	11.1	107	45.0	0.6
	23	147.43	139.90	24	33.9	11.1	119	45.0	0.6
	25	159.52	151.99	24	33.9	11.1	131	45.0	0.6
1" x 17,02 16-B1	13	117.26	106.14	24	47.8	16.2	78	64.0	0.8
	15	133.29	122.17	24	47.8	16.2	95	64.0	0.8
	17	149.35	138.23	24	47.8	16.2	111	64.0	0.8
	18	157.00	146.28	24	47.8	16.2	119	64.0	0.8
	19	165.44	154.32	24	47.8	16.2	127	64.0	0.8
	20	173.00	162.38	24	47.8	16.2	135	64.0	0.8
	21	181.54	170.42	24	47.8	16.2	143	64.0	0.8
	23	197.66	186.54	24	47.8	16.2	160	64.0	0.8
	25	213.78	202.66	24	47.8	16.2	176	64.0	0.8

Sprockets
British Standard
Double Simplex
Steel C45 UNI 7845

Stock sizes

Available on short delivery

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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