Inner link of a roller chain
The inner link of a roller chain consists of
two inner plates, two press-fit bushes and
two rollers rotating on the bushes.
Outer link of the roller chain
The outer link is composed of two outer plates and
two pins. The pins are pressed into the holes of the
outer plates with high pressure forming a frictiontype
contact between these elements which will not
slacken even under heavy and continuing impacts.
The inner links are connected by the outer links
by passing the pins through the bushes of the inner
link and riveting them to the two outer link plates.
The design of a roller chain
We distinguish between three different types of design: simple, double and triple roller chains.
We also call these three designs simplex, duplex and triplex roller chains.
Simplex roller chain Duplex roller chain Triplex roller chain
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