Roller chains are classified by DIN standards according to their design. This standardisation ensures that the respective design and construction also corresponds to the purpose of use.
DIN 8187 governs the European series of roller chains. There are further sub-divisions within this standard according to simple, double and triple roller chains. The DIN numbers are also used to catalog the respective dimensions, among other things of the bolt and roller diameter, link height and weight. The chains are pre-stretched with approx. 20-30%.
The admission of ISO 606 into the regulatory body replaces DIN standard 8187 and introduces an international standard.
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Simple roller chains, regulated by DIN 8187, consist of a single series of chain links and are available in the following pitches:
Double roller chains, classified according to DIN 8187, have two rows of chain links and are available in the following pitches:
8.000 mm, 9.525 mm, 12.700 mm, 15.875 mm, 19.050 mm, 25.400 mm, 31.750 mm, 38.100 mm, 44.450 mm, 50.800 mm, 63.500 mm, 76.200 mm
Triple roller chains, regulated by DIN 8187, consist of three rows of chain links and are available in the following pitches:
8.000 mm, 9.525 mm, 12.700 mm, 15.875 mm, 19.050 mm, 25.400 mm, 31.750 mm, 38.100 mm, 44.450 mm, 50.800 mm, 63.500 mm, 76.200 mm