Sprockets with hardened teeth simplex 3/4" x 7/16"

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Details
Induction-hardened teeth (HRc45-55)
Technical info
  • Hub bore, keyway and tapped hole are optional
  • Recommended maximum bore: D3 x 0.6
  • For chain type 12B1
Benefits
Longer service life of chain and sprocket

Interested in buying products?

Want to know more about the prices or order directly? This is possible when you are affiliated with a dealer in your area.

  • Tailored advice from our specialists
  • 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

Teeth hardness range

Each
Simplex
12 B-1
12
73.6 mm
81.8 mm
11.1 mm
35 mm
Hub one side
52 mm
16 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
13
79.59 mm
87.8 mm
11.1 mm
35 mm
Hub one side
58 mm
16 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
14
85.61 mm
93.8 mm
11.1 mm
35 mm
Hub one side
64 mm
16 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
15
91.63 mm
99.8 mm
11.1 mm
35 mm
Hub one side
70 mm
16 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
16
97.65 mm
105.8 mm
11.1 mm
35 mm
Hub one side
75 mm
16 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
17
103.67 mm
111.9 mm
11.1 mm
35 mm
Hub one side
80 mm
16 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
18
109.71 mm
117.9 mm
11.1 mm
35 mm
Hub one side
80 mm
16 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
19
115.75 mm
123.9 mm
11.1 mm
35 mm
Hub one side
80 mm
16 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
20
121.78 mm
130 mm
11.1 mm
35 mm
Hub one side
80 mm
16 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
21
127.82 mm
136 mm
11.1 mm
40 mm
Hub one side
90 mm
20 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
22
133.86 mm
142 mm
11.1 mm
40 mm
Hub one side
90 mm
20 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
23
139.9 mm
148.1 mm
11.1 mm
40 mm
Hub one side
90 mm
20 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
24
145.94 mm
154.1 mm
11.1 mm
40 mm
Hub one side
90 mm
20 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
25
152 mm
160.2 mm
11.1 mm
40 mm
Hub one side
90 mm
20 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
30
182.25 mm
190.4 mm
11.1 mm
40 mm
Hub one side
95 mm
20 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
33
200.4 mm
208.6 mm
11.1 mm
40 mm
Hub one side
95 mm
20 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
38
230.69 mm
238.9 mm
11.1 mm
40 mm
Hub one side
100 mm
20 mm
Yes
Steel C45
HRC 45-55
Each
Simplex
12 B-1
40
242.81 mm
251 mm
11.1 mm
40 mm
Hub one side
100 mm
20 mm
Yes
Steel C45
HRC 45-55