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
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
40
242.81 mm
251 mm
11.1 mm
40 mm
Hub one side
100 mm
20 mm
Yes
Steel C45
HRC 45-55