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The Difference Between #40 Roller Chain and #41 Roller Chain

The Difference Between #40 Roller Chain and #41 Roller Chain

2024/6/14
#40 Roller Chain VS. #41 Roller Chain

When it comes to roller chains, choosing the right one can make or break your machinery's performance. But what's the difference between #40 and #41 roller chains? These two roller chain types might look similar, but subtle differences in size, strength, and application can significantly impact their use. Understanding these differences between the #40 and #41 roller chain will help you make an informed choice.
40 Roller Chain
40 and 41 roller chain pitch
40 Roller Chain
RS40 Roller Chain Size
Chain Pitch: 0.5 inches
Chain Roller Diameter: 0.312 inches
Chain Width: 0.312 inches

✔ For heavy-duty tasks
✔ Offer high tensile strength
✔ Ideal for long-term, demanding applications
41 Roller Chain
RS41 Roller Chain Size
Chain Pitch: 0.5 inches
Chain Roller Diameter: 0.306 inches
Chain Width: 0.25 inches

✔ For lighter and narrower than #40 chains
✔ For lighter-duty applications
✔ Cost-effective and easier to handle

Choosing Between 40 and 41 Roller Chains

Assessing Between 40 and 41 Roller Chains

The #40 roller chain has a higher tensile strength, making it suitable for heavy-duty applications like industrial machinery and agricultural equipment. The #41 roller chain, with its lower tensile strength, is better suited for lighter loads.
40 roller chains last longer in harsh environments, but regular maintenance can extend the life of both roller chain types.

Common Issues with Roller Chain

Roller Chain Overloading

Exceeding the load limit of a roller chain, especially the #41 roller chain, can cause elongation and failure.

Roller Chain Misalignment

Improper alignment between sprockets and roller chains leads to uneven wear and reduces efficiency.

Roller Chain Replacement Real-Cases

A manufacturing plant switched from #41 to #40 roller chains for a conveyor system, which improved durability and reduced downtime by 20%. Investing in the right roller chain for the job pays off in performance and longevity.
Roller Chain and Sprockets

CTS® | Professional Roller Chain Supplier

CTS®-ChinaTransmissionS is a professional roller chain supplier with over 14 years in the power transmission industry. Our experienced technical team always learns the latest manufacturing technology. We would be a better choice for you to build a long-term and stable cooperation with. We can provide priority service and fast response the first time. In addition, we can also offer high-quality roller chains at a competitive price.


If you have any questions about roller chains, please contact us to help you.
Trilinear coordinates measuring instrument
Chain voltage output testing machine
Roller Chain Fatigue Test
Chain length precision instrument
CTS® Roller Chains Test and Quality Control Equipment 
Quality Management System Certification
Quality Management System Certification
ISO9001:2015
CTS® Quality Certifications

Roller Chain FAQs

Can I interchange the #40 and #41 roller chains?
No, their slight differences in dimensions may cause compatibility issues with chain sprockets.
Are #40 and #41 chains compatible with the same sprockets?
Not always. Check the sprocket specifications to ensure compatibility.

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