The obvious difference between type A and type B sprocket is that, you can find a hub on type B, but no hub on type A. ANSI sprocket works with A series roller chain, no matter it's A or B type. Please find dimensions of plate wheel sprocket 40-80(08A-16A) here.

1. ANSI kotúčové ozubené koleso 40 (08A-1-2)

z	de	dp	JEDNODUCHÝ		DUPLEXNÝ		ANSI 40
z	de	dp	D1	kg	D2	kg	08A-1-2
8	39.3	33.18	8	0.04	10	0.07	Sprocket	mm
9	43.2	37.13	8	0.04	10	0.1	Polomer zuba r3	13.5
10	47.2	41.10	8	0.06	10	0.13	Šírka polomeru C	1.6
11	51.2	45.07	8	0.07	12	0.17	Šírka zubov B1	7.2
12	55.2	49.07	8	0.08	12	0.21	Šírka zubov b1	7
13	59.2	53.06	10	0.1	12	0.25	Šírka zubov B2	21.1
14	63.2	57.07	10	0.12	12	0.3	reťaz	mm
15	67.2	61.09	10	0.14	12	0.36	Smola	12.7
16	71.2	65.10	10	0.16	16	0.41	Vnútorná šírka	7.95
17	75.2	69.11	10	0.18	16	0.47	Roller Φ	7.95
18	79.2	73.14	10	0.20	16	0.54
19	83.3	77.16	10	0.23	16	0.61
20	87.3	81.19	10	0.27	16	0.68
21	91.3	85.22	12	0.28	16	0.75
22	95.4	89.24	12	0.31	16	0.83
23	99.4	93.27	12	0.35	16	0.92
24	103.4	97.29	12	0.38	16	1.01
25	107.4	101.36	12	0.41	16	1.1
26	111.5	105.36	16	0.43	16	1.2
27	115.5	109.4	16	0.46	16	1.31
28	119.5	113.42	16	0.48	16	1.42
29	123.6	117.46	16	0.53	16	1.53
30	127.6	121.50	16	0.58	16	1.65
31	131.6	125.54	16	0.63	20	1.77
32	135.7	129.56	16	0.68	20	1.9
33	139.7	133.6	16	0.73	20	2.02
34	143.8	137.64	16	0.78	20	2.16
35	147.8	141.68	16	0.83	20	2.3
36	151.8	145.72	16	0.88	20	2.42
37	155.9	149.76	16	0.93	20	2.56
38	159.9	153.80	16	0.98	20	2.71
39	163.9	157.83	16	1.03	20	2.87
40	168.0	161.87	16	1.09	20	3.03
41	172.5	165.91	20	1.14	20	3.2
42	176.6	169.95	20	1.19	20	3.36
43	180.6	173.99	20	1.25	20	3.53
44	184.6	178.03	20	1.32	20	3.71
45	188.7	182.07	20	1.38	20	3.89
46	192.7	186.10	20	1.44	20	4.07
47	196.8	190.14	20	1.51	20	4.52
48	200.8	194.18	20	1.58	20	4.66
49	204.8	198.22	20	1.65	20	4.78
50	208.9	202.26	20	1.73	20	4.88
51	212.9	206.3	20	1.8	20	5.03
52	217.0	210.34	20	1.87	20	5.24
53	221	214.37	20	1.94	20	5.46
54	225.0	218.43	20	2.02	20	5.68
55	229.1	222.46	20	2.1	20	5.9
56	233.1	226.50	20	2.17	20	6.13
57	237.2	230.54	20	2.25	20	6.36
58	241.2	234.62	20	2.36	20	6.59
59	245.2	238.62	20	2.42	20	6.83
60	249.3	242.66	20	2.50	20	7.08
62	257.4	250.74	25	2.67	25	7.6
64	265.4	258.82	25	2.85	25	8.1
65	269.5	262.86	25	2.94	25	8.36
66	273.5	266.90	25	3.03	25	8.63
68	281.6	274.99	25	3.22	25	9.2
70	289.7	283.07	25	3.42	25	9.75
72	297.8	291.16	25	3.62	25	10.33
75	309.9	303.27	25	3.94	25	11.24
76	313.9	307.33	25	4.05	25	11.55
78	322.0	315.40	25	4.27	25	12.25
80	330.1	323.48	25	4.50	25	12.9
85	350.3	343.69	25	5.62	25	14.55
90	370.5	363.90	25	6.31	25	16.36
95	390.7	384.11	25	7.05	25	18.28
100	410.9	404.31	25	7.82	25	20.3
110	451.4	444.74	25	9.50	25	24.67
114	467.5	460.90	25	10.21	25	26.57
120	491.8	485.16	25	11.32	25	29.46
125	512.0	505.37	25	12.31	25	32

2. ANSI kotúčové ozubené koleso 50 (10A-1-2)

z	de	dp	JEDNODUCHÝ		DUPLEXNÝ		ANSI 50
z	de	dp	D1	kg	D2	kg	10A-1-2
8	48.4	41.48	10	0.06	10	0.15	Sprocket	mm
9	53.3	46.42	10	0.09	10	0.21	Polomer zuba r3	17
10	58.3	51.37	10	0.11	12	0.27	Šírka polomeru C	2
11	63.2	56.34	12	0.14	12	0.34	Šírka zubov B1	8.7
12	68.2	61.34	12	0.17	16	0.42	Šírka zubov b1	8.4
13	73.2	66.32	12	0.20	16	0.51	Šírka zubov B2	26.5
14	78.2	71.34	12	0.23	16	0.60	reťaz	mm
15	83.2	76.36	12	0.27	16	0.70	Smola	15.875
16	88.3	81.37	12	0.31	16	0.82	Vnútorná šírka	9.53
17	93.3	86.39	12	0.36	16	0.94	Roller Φ	10.16
18	98.3	91.42	14	0.41	16	1.06
19	103.3	96.45	14	0.46	16	1.20
20	108.4	101.49	14	0.51	16	1.34
21	113.4	106.52	16	0.57	16	1.48
22	118.4	111.55	16	0.62	20	1.64
23	123.5	116.58	16	0.68	20	1.80
24	128.5	121.62	16	0.75	20	1.98
25	133.6	126.66	16	0.82	20	2.17
26	138.6	131.70	20	0.88	20	2.33
27	143.6	136.75	20	0.95	20	2.53
28	148.7	141.78	20	1.03	20	2.74
29	153.7	146.83	20	1.11	20	2.96
30	158.8	151.87	20	1.19	20	3.18
31	163.8	156.92	20	1.28	20	3.41
32	168.9	161.95	20	1.36	20	3.66
33	173.9	167.00	20	1.45	20	3.90
34	178.9	172.05	20	1.55	20	4.16
35	184.0	177.10	20	1.64	20	4.42
36	189.0	182.15	20	1.73	20	4.70
37	194.1	187.20	20	1.83	20	4.98
38	199.1	192.24	20	1.94	20	5.26
39	204.2	197.29	20	2.05	20	5.56
40	209.2	202.34	20	2.16	20	5.87
41	215.8	207.39	20	2.28	20	6.17
42	220.8	212.44	20	2.39	20	6.46
43	225.9	217.49	20	2.50	20	6.80
44	230.9	222.53	20	2.63	20	7.13
45	236.0	227.58	20	2.75	20	7.47
46	241.0	232.63	20	2.88	20	7.83
47	246.1	237.68	20	3.00	20	8.19
48	251.1	242.73	20	3.14	20	8.55
49	256.2	247.78	20	3.28	20	8.91
50	261.2	252.82	20	3.42	20	6.32
51	266.3	257.87	20	3.56	20	9.72
52	271.3	262.92	20	3.70	20	10.11
53	276.4	267.97	20	3.85	20	10.52
54	281.4	273.03	20	4.00	20	10.94
55	286.5	278.08	20	4.15	20	11.36
56	291.5	283.13	25	4.30	20	11.80
57	296.6	288.18	25	4.46	25	12.24
58	301.6	293.23	25	4.62	25	12.68
59	306.7	298.27	25	4.78	25	13.15
60	311.7	303.32	25	4.95	25	13.61
62	321.8	313.43	25	5.30	25	14.56
64	331.9	323.53	25	5.65	25	15.51
65	337.0	328.58	25	5.83	25	16.05
68	352.1	343.74	25	6.40	25	17.59
70	362.2	353.84	25	6.79	25	18.70
72	372.3	363.95	25	7.19	25	19.81
75	387.5	379.09	25	7.81	25	21.54
76	392.5	374.16	25	8.02	25	22.14
78	402.6	394.25	25	8.46	25	23.37
80	412.7	404.35	25	8.91	25	24.60
85	438.0	429.62	30	10.06	25	28.00
90	463.3	254.88	30	11.30	25	31.25
95	488.5	480.14	30	12.61	25	34.90
100	513.8	505.40	30	13.99	25	38.75
110	564.3	555.92	30	16.97	25	46.73
114	584.5	576.13	30	19.98	25	50.60
120	614.8	606.44	30	22.17	25	56.16
125	640.1	631.71	30	24.08	25	61.00

3. ANSI kotúčové ozubené koleso 60 (12A-1-2)

z	de	dp	JEDNODUCHÝ		DUPLEXNÝ		ANSI 60
z	de	dp	D1	kg	D2	kg	12A-1-2
8	58.1	49.78	10				Sprocket	mm
9	64.0	55.70	10				Polomer zuba r3	20
10	70.0	61.64	10		12		Šírka polomeru C	2.4
11	76.0	67.61	12		16		Šírka zubov B1	11.7
12	81.9	76.60	12		16		Šírka zubov b1	11.3
13	87.9	79.59	14	0.35	16		Šírka zubov B2	34.1
14	94.0	85.61	14	0.41	16		reťaz	mm
15	100.0	91.63	14	0.48	16		Smola	19.05
16	106.0	97.65	14	0.55	20		Vnútorná šírka	12.7
17	112.0	103.67	14	0.63	20		Roller Φ	11.91
18	118.0	109.71	14	0.71	20
19	124.1	115.75	14	0.83	20
20	130.1	121.78	14	0.92	20
21	136.2	127.82	16	0.99	20
22	142.2	133.86	16	1.09	20
23	148.2	139.90	16	1.20	20
24	154.3	145.94	16	1.31	20
25	160.3	152.00	16	1.43	20
26	166.4	158.04	16	1.56	20
27	172.4	164.09	16	1.68	20
28	178.5	170.13	16	1.82	20
29	184.5	176.19	16	1.96	20
30	190.6	182.25	16	2.10	20
31	196.6	188.31	20	2.24	20
32	202.7	194.35	20	2.39	20
33	208.8	200.40	20	2.55	20
34	214.8	206.46	20	2.71	20
35	220.9	212.52	20	2.88	20
36	226.9	218.58	20	3.06	25
37	233.0	224.64	20	3.25	25
38	239.0	230.69	20	3.42	25
39	245.1	236.75	20	3.63	25
40	251.1	242.81	20	3.85	25
41	259.1	248.87	25	4.01	25
42	265.2	254.93	25	4.19	25
43	271.3	260.98	25		25
44	277.3	267.03	25		25
45	283.3	273.10	25		25
46	289.4	279.16	25		25
47	295.5	285.21	25		25
48	301.5	291.27	25		25
49	307.6	297.33	25		25
50	313.6	303.39	25		25
51	319.7	309.45	25		25
52	325.8	315.50	25		25
53	331.8	321.56	25		25
54	337.9	327.64	25		25
55	343.9	333.70	25		25
56	350.0	339.75	25		25
57	356.1	345.81	25		25
58	362.1	351.87	25		25
59	368.2	357.93	25		25
60	374.2	363.99	25		25
62	386.4	376.12	25		30
64	398.5	388.24	25		30
65	404.5	394.29	25		30
66	410.6	400.35	25		30
68	422.7	412.49	25		30
70	434.9	424.60	25		30
72	447.0	436.74	25		30
75	465.2	454.91	25		30
76	471.2	460.99	25		30
78	483.3	473.10	25		30
80	495.5	485.22	25		30
85	525.8	515.55	25		30
90	556.1	545.86	25		30
95	586.4	576.17	25		30
100	616.7	606.47	25		30
110	677.4	667.11	25		30
114	701.6	691.36	25		30
120	738.0	727.74	25		30
125	768.3	758.05	25		30

4. ANSI kotúčové ozubené koleso 80 (16A-1-2)

z	de	dp	JEDNODUCHÝ		DUPLEXNÝ		ANSI 80
z	de	dp	D1	kg	D2	kg	16A-1-2
8	77.9	66.37	16		20		Sprocket	mm
9	85.8	74.27	16		20		Polomer zuba r3	27
10	93.8	82.19	16		20		Šírka polomeru C	3.2
11	101.7	90.14	16		20		Šírka zubov B1	14.7
12	109.7	98.14	16	0.77	20		Šírka zubov b1	14.1
13	117.7	106.12	16	0.91	20		Šírka zubov B2	43.4
14	125.7	114.15	16	1.01	20		reťaz	mm
15	133.7	122.17	16	1.22	20		Smola	25.4
16	141.8	130.20	20	1.43	25		Vnútorná šírka	15.88
17	149.8	138.22	20	1.64	25		Roller Φ	15.88
18	157.8	146.28	20	1.85	25
19	165.9	154.33	20	2.08	25
20	173.9	162.38	20	2.12	25
21	182.0	170.43	20	2.45	25
22	190.1	178.48	20	2.84	25
23	198.1	186.53	20	3.13	25
24	206.2	194.59	20	3.42	25
25	214.2	202.66	20	3.73	25
26	222.3	210.72	20	4.05	25
27	230.4	218.79	20	4.38	25
28	238.4	226.85	20	4.73	25
29	246.5	234.92	20	5.09	25
30	254.6	243.00	20	5.46	25
31	262.6	251.08	25	5.83	25
32	270.7	259.13	25	6.21	25
33	278.8	267.21	25	6.63	25
34	286.9	275.28	25	7.06	25
35	294.9	283.36	25	7.49	25
36	303.0	291.44	25	8.01	25
37	311.1	299.51	25	8.45	25
38	319.2	307.59	25	8.88	25
39	327.2	315.67	25		25
40	335.3	323.73	25		25
41	345.6	331.82	25		25
42	353.7	339.90	25		25
43	361.7	347.98	25		25
44	369.8	356.06	25		25
45	377.9	364.12	25		25
46	386.0	372.21	25		25
47	394.1	380.29	25		25
48	402.1	388.36	25		25
49	410.2	396.44	25		25
50	418.3	404.52	25		25
51	426.5	412.60	25		30
52	434.5	420.67	25		30
53	442.5	428.75	25		30
54	450.6	436.85	25		30
55	458.7	444.93	25		30
56	466.8	453.01	25		30
57	474.9	461.07	25		30
58	482.9	469.16	25		30
59	491.0	477.24	25		30
60	499.1	485.32	25		30
62	515.3	501.50	30		30
64	531.4	517.65	30		30
65	539.5	525.73	30		30
66	547.6	533.80	30		30
68	563.8	549.98	30		30
70	579.9	566.14	30		30
72	596.1	582.32	30		30
75	620.3	606.35	30		30
76	628.4	614.65	30		30
78	644.6	630.80	30		30
80	660.7	646.96	30		30
85	701.2	687.04	30		30
90	741.6	727.81	30		30
95	782.0	768.22	30		30
100	822.4	808.63	30		30
110	903.3	889.48	30		30
114	935.6	921.81	30		40
120	984.1	970.33	30		40
125	1024.5	1010.73	30		40