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

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Application range
NOT suitable for chain ASA/DIN 8188
Technical info
  • Hub bore, keyway and tapped hole are optional
  • Recommended maximum bore: D3 x 0.6
  • - For type 20b2 chain

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. Do you want to sell products via Kramp as a dealer? Then sign up!

  • Tailored advice from our specialists
  • More than 500.000 products
  • Up-to-date information on current stock and delivery times
Product
Unit

Type

Chain size code

Number of teeth

Pitch diameter

D1

Outside diameter

D2

Teeth width

Total teeth width

Width

B

Sections distance

Hub type

Hub diameter

D3

Bore diameter

B0

Bore

Material

Each
Duplex
20 B-2
10
102,74 mm
117 mm
18,2 mm
54,6 mm
75 mm
36,45 mm
Hub one side
70 mm
20 mm
Yes
Steel C45
Each
Duplex
20 B-2
12
122,68 mm
137 mm
18,2 mm
54,6 mm
80 mm
36,45 mm
Hub one side
90 mm
25 mm
Yes
Steel C45
Each
Duplex
20 B-2
17
172,78 mm
187,7 mm
18,2 mm
54,6 mm
80 mm
36,45 mm
Hub one side
120 mm
30 mm
Yes
Steel C45
Each
Duplex
20 B-2
19
192,91 mm
207,9 mm
18,2 mm
54,6 mm
80 mm
36,45 mm
Hub one side
120 mm
30 mm
Yes
Steel C45