Introduction to Chain

Chain can be divided into categories depending on its construction and function it is used for.




Roller chain

Suitable for thousands of applications. Roller chain is also known as Transmission or Drive Chain.

Special Chain

Chain that differs from standard chain either because of a material, coating or attachment.


Leaf Chain

Conveyor chain

For applications where items need to be transported.

Leaf chain

For fork truck and other lifting applications.

Component Parts of a Roller Chain


Each roller chain is made up of the same key components. The diagram above shows how they fit together to make the chain.


 Normally only 3 measurements are needed to identify a chain:

  • (a) Pitch
  • (b) Width between inner plates
  • (c) Roller diameter