Sprockets standard DIN 8187 simplex 1 1/4" x 3/4"

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Technical info
  • Hub bore, keyway and tapped hole are optional
  • Recommended maximum bore: D3 x 0.6

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  • More than 500.000 products
Product
Unit

Type

Chain size code

Number of teeth

Pitch diameter

D1

Outside diameter

D2

Teeth width

Width

B

Hub type

Hub diameter

D3

Bore diameter

B0

Bore

Material

Each
Simplex
20 B-1
8
82.96 mm
96 mm
18.5 mm
40 mm
Hub one side
53 mm
20 mm
Yes
Steel C45
Each
Simplex
20 B-1
9
92.84 mm
106.5 mm
18.5 mm
40 mm
Hub one side
63 mm
20 mm
Yes
Steel C45
Each
Simplex
20 B-1
10
102.74 mm
117 mm
18.5 mm
40 mm
Hub one side
70 mm
20 mm
Yes
Steel C45
Each
Simplex
20 B-1
11
112.68 mm
127 mm
18.5 mm
45 mm
Hub one side
77 mm
20 mm
Yes
Steel C45
Each
Simplex
20 B-1
12
122.68 mm
137 mm
18.5 mm
45 mm
Hub one side
88 mm
20 mm
Yes
Steel C45
Each
Simplex
20 B-1
13
132.65 mm
147.5 mm
18.5 mm
45 mm
Hub one side
98 mm
20 mm
Yes
Steel C45
Each
Simplex
20 B-1
14
142.68 mm
157.6 mm
18.5 mm
45 mm
Hub one side
108 mm
20 mm
Yes
Steel C45
Each
Simplex
20 B-1
15
152.72 mm
167.7 mm
18.5 mm
45 mm
Hub one side
118 mm
20 mm
Yes
Steel C45
Each
Simplex
20 B-1
16
162.75 mm
177.7 mm
18.5 mm
50 mm
Hub one side
120 mm
25 mm
Yes
Steel C45
Each
Simplex
20 B-1
17
172.78 mm
187.7 mm
18.5 mm
50 mm
Hub one side
120 mm
25 mm
Yes
Steel C45
Each
Simplex
20 B-1
18
182.85 mm
197.8 mm
18.5 mm
50 mm
Hub one side
120 mm
25 mm
Yes
Steel C45
Each
Simplex
20 B-1
19
192.91 mm
207.9 mm
18.5 mm
50 mm
Hub one side
120 mm
25 mm
Yes
Steel C45
Each
Simplex
20 B-1
20
202.98 mm
217.9 mm
18.5 mm
50 mm
Hub one side
120 mm
25 mm
Yes
Steel C45
Each
Simplex
20 B-1
21
213.04 mm
228 mm
18.5 mm
55 mm
Hub one side
140 mm
25 mm
Yes
Steel C45
Each
Simplex
20 B-1
23
233.17 mm
248.2 mm
18.5 mm
55 mm
Hub one side
140 mm
25 mm
Yes
Steel C45
Each
Simplex
20 B-1
24
243.23 mm
258.3 mm
18.5 mm
55 mm
Hub one side
140 mm
25 mm
Yes
Steel C45
Each
Simplex
20 B-1
25
253.33 mm
268.4 mm
18.5 mm
55 mm
Hub one side
140 mm
25 mm
Yes
Steel C45
Each
Simplex
20 B-1
26
263.4 mm
278.4 mm
18.5 mm
55 mm
Hub one side
150 mm
30 mm
Yes
Steel C45
Each
Simplex
20 B-1
27
273.48 mm
288.5 mm
18.5 mm
55 mm
Hub one side
150 mm
30 mm
Yes
Steel C45
Each
Simplex
20 B-1
28
283.56 mm
298.5 mm
18.5 mm
55 mm
Hub one side
150 mm
30 mm
Yes
Steel C45
Each
Simplex
20 B-1
29
293.65 mm
308.6 mm
18.5 mm
55 mm
Hub one side
150 mm
30 mm
Yes
Steel C45
Each
Simplex
20 B-1
30
303.75 mm
318.7 mm
18.5 mm
55 mm
Hub one side
150 mm
30 mm
Yes
Steel C45