Power Transmission Sprocket

British Standard Sprocket : 081B-1

Sprocket : 081B-1 Sprocket : 081B-1 Design

081B-1
SPROCKETS 1/2"x1/8"
For Chain Acc. to DIN 8187
ISO/R 606

Z D d Simplex
b d1 a
8
9
10
11
12
37.2
41.5
46.2
49.6
53.9
33.18
37.13
41.10
45.07
49.07
21
25
28
31
35
8
8
8
8
8
14
14
14
16
16
13
14
15
16
17
58.4
62.8
66.8
70.9
74.9
53.06
57.07
61.09
65.10
69.11
39
43
47
50
50
8
8
8
10
10
16
16
16
18
18
18
19
20
21
22
78.9
82.9
86.9
91.0
95.0
73.14
77.16
81.19
85.22
89.24
50
50
50
60
60
10
10
10
12
12
18
18
18
20
20
23
24
25
26
27
99.0
103.0
107.1
111.2
115.4
93.27
97.29
101.33
105.36
109.40
60
60
60
70
70
12
12
12
16
16
20
20
20
20
20
28
29
30
31
32
119.4
123.4
127.5
131.5
135.5
113.42
117.46
121.50
125.54
129.56
70
70
70
70
70
16
16
16
16
16
20
20
20
20
20
33
34
35
36
37
139.6
143.6
147.6
151.7
155.7
133.60
137.64
141.68
145.72
149.76
70
70
70
70
70
16
16
16
16
16
20
20
20
25
25
38
39
40
41
42
159.8
163.8
167.8
171.4
175.4
153.80
157.83
161.87
165.91
169.95
70
70
70
78
78
16
16
16
16
16
25
25
25
32
32
43
44
45
46
47
179.5
183.5
187.5
191.6
195.6
173.99
178.03
182.07
186.10
190.14
78
78
78
78
78
16
16
16
16
16
32
32
32
32
32
48
49
50
51
52
199.7
203.7
207.8
211.8
215.9
194.18
198.22
202.26
206.30
210.34
78
*78
*78
*78
*78
16
16
16
16
16
32
32
32
32
32
53
54
55
56
57
219.9
224.0
228.0
232.1
236.1
214.37
218.43
222.46
226.50
230.54
*78
*78
*78
*78
*78
16
16
16
16
16
32
32
32
32
32
58
59
60
62
64
240.2
244.2
248.2
256.7
264.8
234.58
238.62
242.66
250.75
258.82
*78
*78
*78
*78
*78
16
16
16
16
16
32
32
32
32
32
65
66
68
70
72
268.8
272.9
280.9
289.0
297.1
262.86
266.90
274.99
283.07
291.16
*78
*78
*78
*78
*78
16
16
16
16
16
32
32
32
32
32
76
78
80
85
90
313.3
321.4
329.4
349.7
369.9
307.33
315.40
323.49
343.69
363.90
*78
*78
*78
*80
*80
16
16
16
16
16
32
32
32
32
32
95
100
110
114
120
125
390.1
410.3
450.7
466.9
491.2
511.4
384.11
404.32
444.74
460.91
485.16
505.37
*80
*80
*80
*80
*80
*80
16
16
16
16
16
16
32
32
32
32
32
32

Accept OEM Purchase.

SPROCKET mm CHAIN mm
Tooth radius r3 13 Pitch 12.7
Radius width C 1.0 Internal width 3.3
Tooth width f 3 Roller 7.75
Material : C45
*weld-on hub
F=5mm-From Z=31 the width of the plate is increased
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