Roller Chain Size Chart: How do I know the Roller Chain Size?
This post was last updated on April 13th, 2023 at 10:09 pm
Roller chains are commonly used in industrial applications, power transmissions, and agriculture. The standard roller chains have a reliable mechanism for transmitting power to various moving parts (Skip straight to the Roller Chain Size Chart).
Since it was innovated in 1880, this versatile chain has been meeting the need of the hour for industries such as food and beverage, automotive, and farming.
Each chain type provides a distinct service, depending on the chainrings, chain link, and chain load. Getting the correct size helps you avoid chain failure, which can interfere with the efficient operation of your agricultural machinery.
You can choose thin or thicker side plates depending on your machinery requirements. Do you want to learn more about roller chain sizes?
Let’s delve in!
Jump right into the Frequently Asked Questions
Table of Content Roller Chain
- Roller Chain Size Chart
Roller Chain Size Chart
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Single Strand Chains Size Chart
|Chain Size||Pitch (P)||Roller Width (W)||Roller Diameter (D)||Overall Width (A)||Plate Height (H)||Plate Thickness (T)||Pin Diameter (E)||Avg. Ultimate Strength||Weight (Per Ft)|
|25R||0.250 in 0.635 cm||0.125 in 0.317 cm||0.130 in 0.330 cm||0.306 in 0.777 cm||0.228 in 0.579 cm||0.029 in 0.074 cm||0.091 in 0.231 cm||930 lbs 421 kgs||0.09 lbs 0.041 kgs|
|35R||0.375 in 0.952 cm||0.188 in 0.478 cm||0.200 in 0.508 cm||0.456 in 1.158 cm||0.356 in 0.904 cm||0.050 in 0.127 cm||0.141 in 0.358 cm||2,330 lbs 1,052 kgs||0.22 lbs 0.009 kgs|
|40R||0.500 in 1.27 cm||0.312 in 0.792 cm||0.312 in 0.792 cm||0.642 in 1.630 cm||0.475 in 1.207 cm||0.058 in 0.147 cm||0.156 in 0.396 cm||3,970 lbs 1800 kgs||0.42 lbs 1.191 kgs|
|41R||0.500 in 1.27 cm||0.250 in 0.635 cm||0.306 in 0.777 cm||0.522 in 1.326 cm||0.390 in 0.991 cm||0.050 in 0.127 cm||0.141 in 0.358 cm||2,760 lbs 1251 kgs||0.28 lbs 0.127 kgs|
|50R||0.625 in 1.587 cm||0.375 in 0.952 cm||0.400 in 1.016 cm||0.794 in 2.017 cm||0.594 in 1.509 cm||0.079 in 0.201 cm||0.200 in 0.508 cm||6,620 lbs 3002 kgs||0.68 lbs 0.308 kgs|
|60R||0.750 in 1.905 cm||0.500 in 1.27 cm||0.469 in 1.191 cm||0.994 in 2.524 cm||0.712 in 1.808 cm||0.093 in 0.236 cm||0.234 in 0.594 cm||9,270 lbs 4204 kgs||0.97 lbs 0.440 kgs|
|80R||1.000 in 2.54 cm||0.625 in 1.587 cm||0.625 in 1.587 cm||1.290 in 3.277 cm||0.950 in 2.413 cm||0.125 in 0.317 cm||0.312 in 0.792 cm||16,540 lbs 7502 kgs||1.71 lbs 0.770 kgs|
|100R||1.250 in 3.175 cm||0.750 in 1.905 cm||0.750 in 1.905 cm||1.578 in 4.008 cm||1.188 in 3.018 cm||0.157 in 0.399 cm||0.375 in 0.952 cm||25,360 lbs 11503 kgs||2.65 lbs 1.202 kgs|
|120R||1.500 in 3.81 cm||1.000 2.54 cm in||0.875 in 2.222 cm||1.966 in 4.994 cm||1.425 in 3.620 cm||0.189 in 0.480 cm||0.437 in 1.110 cm||32,640 lbs 14805 kgs||3.79 lbs 1.719 kgs|
|140R||1.750 in 4.445 cm||1.000 in 2.54 cm||1.000 in 2.54 cm||2.132 in 5.415 cm||1.663 in 4.224 cm||0.219 in 0.556 cm||0.500 in 1.270 cm||45,210 lbs 20506 kgs||4.96 lbs 2.249 kgs|
|160R||2.000 in 5.08 cm||1.250 in 3.175 cm||1.125 in 2.857 cm||2.564 in 6.513 cm||1.901 p 4.828 cm||0.255 in 0.648 cm||0.563 in 1.430 cm||57,780 lbs 26208 kgs||6.32 lbs 2.870 kgs|
|180R||2.250 in 5.715 cm||1.406 in 3.571 cm||1.406 in 3.571 cm||2.808 in 7.132 cm||2.130 in 5.410 cm||0.283 in 0.719 cm||0.687 in 1.745 cm||80,480 lbs 36505 kgs||9.04 lbs 4.100 kgs|
|200R||2.500 in 6.35 cm||1.500 in 3.810 cm||1.562 in 3.967 cm||3.160 in 8.046 cm||2.376 in 6.035 cm||0.312 in 0.792 cm||0.782 in 1.986 cm||109,150 lbs 49509 kgs||10.31 lbs 4.680 kgs|
|240R||3.000 in 7.62 cm||1.875 in 4.763 cm||1.875 in 4.763 cm||3.772 in 9.581 cm||2.850 in 7.239 cm||0.375 in 0.953 cm||0.937 in 2.507 cm||152,140 lbs 69009 kgs||16.40 lbs 7.440 kgs|
Double Strand Roller Chain Size Chart
|Chain Size||Pitch (P)||Roller Width (W)||Roller Diameter (D)||Overall Width (A)||Plate Height (H)||Plate Thickness (T)||Pin Diameter (E)||Average Tensile Strength||Weight (Per Ft)|
|25R||0.250 in 0.635 cm||0.125 in 0.317 cm||0.130 in 0.330 cm||0.590 in 1.498 cm||0.230 in 0.584 cm||0.030 in 0.076 cm||0.091 in 0.231 cm||1,700 lbs 771 kgs||0.19 lbs 0.086 kgs|
|35R||0.375 in 0.953 cm||0.188 in 0.477 cm||0.200 in 0.508 cm||0.876 in 2.225 cm||0.356 in 0.904 cm||0.050 in 0.127 cm||0.141 in 0.358 cm||4,640 lbs 2104 kgs||0.46 lbs 0.209 kgs|
|40R||0.500 in 1.270 cm||0.312 in 0.792 cm||0.312 in 0.792 cm||1.212 in 3.078 cm||0.475 in 1.206 cm||0.058 in 0.147 cm||0.156 in 0.396 cm||7,500 lbs 3401 kgs||0.85 lbs 0.386 kgs|
|50R||0.625 in 1.588 cm||0.375 in 0.953 cm||0.400 in 1.016 cm||1.504 in 3.820 cm||0.594 in 1.509 cm||0.079 in 0.200 cm||0.200 in 0.508 cm||13,230 lbs 6001 kgs||1.37 lbs 0.621 kgs|
|60R||0.750 in 1.905 cm||0.500 in 1.270 cm||0.469 in 1.191 cm||1.890 in 4.800 cm||0.712 in 1.808 cm||0.093 in 0.236 cm||0.234 in 0.594 cm||18,530 lbs 8405 kgs||2.04 lbs 0.925 kgs|
|80R||1.000 in 2.540 cm||0.625 in 1.588 cm||0.625 in 1.588 cm||2.440 in 6.198 cm||0.950 in 2.413 cm||0.125 in 0.318 cm||0.312 in 0.792 cm||33,080 lbs 15004 kgs||3.41 lbs 1.547 kgs|
|100R||1.250 in 3.175 cm||0.750 in 1.905 cm||0.750 in 1.905 cm||2.986 in 7.584 cm||1.188 in 3.017 cm||0.157 in 0.399 cm||0.375 in 0.953 cm||50,720 lbs 23006 kgs||5.28 lbs 2.395 kgs|
|120R||1.500 in 3.810 cm||1.000 in 2.540 cm||0.875 in 2.222 cm||3.776 in 9.591 cm||1.425 in 3.620 cm||0.189 in 0.480 cm||0.437 in 1.110 cm||65,270 lbs 29605 kgs||7.88 lbs 3.574 kgs|
|140R||1.750 in 4.445 cm||1.000 in 2.540 cm||1.000 in 2.540 cm||4.058 in 10.307 cm||1.663 in 4.224 cm||0.219 in 0.556 cm||0.500 in 1.270 cm||90,410 lbs 41009 kgs||10.03 lbs 4.550 kgs|
|160R||2.000 in 5.080 cm||1.250 in 3.175 cm||1.125 in 2.860 cm||4.900 in 12.446 cm||1.901 in 4.830 cm||0.255 in 0.648 cm||0.563 in 1.430 cm||115,550 lbs 52412 kgs||13.48 lbs 51.474 kgs|
|180R||2.250 in 5.715 cm||1.406 in 3.571 cm||1.406 3.571 cm||5.414 in 13.752 cm||2.130 in 5.410 cm||0.283 in 0.719 cm||0.687 in 1.745 cm||160,960 lbs 73010 kgs||17.65 lbs 8.006 kgs|
|200R||2.500 in 6.350 cm||1.501 in 3.812 cm||1.562 in 3.967 cm||5.980 in 15.190 cm||2.376 in 6.035 cm||0.312 in 0.792 cm||0.782 in 1.986 cm||218,300 lbs 99019 kgs||21.95 lbs 9.960 kgs|
|240R||3.000 in 7.620 cm||1.875 in 4.762 cm||1.875 in 4.762 cm||7.236 in 18.380 cm||2.850 in 7.239 cm||0.375 in 0.952 cm||0.937 in 2.380 cm||304,280 lbs 138019 kgs||32.45 lbs 14.720 kgs|
Learn more about how to measure roller chain size (video)
Frequently Asked Questions
What is the standard chain size?
The standard chain size on a roller chain is usually 1.4 mm for the thin size, 2.3 mm for the medium, and 3.5 mm for the thick size.
What size is a 50 roller chain?
A 50 roller chain possesses a chain pitch of 5/8 inch and comes with a pin-to-pin measurement. It is one of the most popular types used in all fourteen standard chains.
What size is a 420 roller chain?
The 420 standard roller has a chain pitch of 1/2 inch, 1/4 inch width, 5/16 inch roller diameter, and 0.227-inch sprocket teeth thickness.
What is the difference between 60 and 60H roller chain?
The plate thickness is a key dimension that differentiate 60 and 60H. 60 plate is usually 0.094 inches and 60H is 0.125 inches. Other than that, the two chain standard pin sizes and tensile strength are the same.
Whether using solid rollers or cylindrical rollers, you need the correct chain roller size that will offer enough support to your machinery. Some common chain sizes you can explore include single-strand, duplex roller chains, and quad-strand roller chains.
To get the right roller chain for your equipment, evaluate the key chain dimensions and whether they match your requirements. Suppose you get stuck choosing an appropriate roller diameter plate height, plate thickness, or pin size, don’t hesitate to contact our professionals.
Picture in this post is from Plastena.lt
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