Product Catalog 
“All roller chains are the same, right?”
If that’s what you think, then you’re exactly the person who needs to learn what makes the Genuine DID Roller Chain stand out. The answer is simple — because it’s different. Truly different.
With over 90 years of history, the DID roller chain is the result of decades of engineering evolution and real-world testing across the globe’s toughest industrial environments. It’s not just a component — it’s a carrier of reliability.
Designed and developed in Japan, every detail of the DID chain reflects a commitment to craftsmanship — from material selection and heat treatment to precision assembly. The parts you don’t see are exactly where we put in the most work. That’s the DID way.
Take durability, for example. Each pin and bushing is specially heat-treated to provide outstanding wear resistance and long service life. The link plates, made from high-tensile steel, deliver exceptional tensile strength, making them ideal for heavy-duty applications like construction equipment, conveyors, and agricultural machinery.
But being “genuine” isn’t just about quality. DID backs its products with on-time delivery, full traceability, and global support — ensuring complete peace of mind for every customer, everywhere.
When you see the DID logo on a chain, you’re not just holding a piece of steel.
You’re holding over 90 years of trust, technology, and responsibility — the unseen force that keeps entire systems running smoothly.
So let us be clear:
“If you’re going to choose a chain — choose the Genuine DID Roller Chain.”