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ANSI Roller Chains

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ANSI Roller Chains

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  • Roller Chain Type
  • Roller Chain Size
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ANSI Roller Chain


We offer a variety of roller chains, including single-strand, double-strand, triple-strand, multi-strand, hollow-pin, and cottered-type roller chains. These roller chains are crafted from high-quality carbon steel for strength and durability. With decades of experience, we've honed our skills to ensure premium products. Whether you need roller chains for power transmission or mechanical drives, you can rely on CTS® roller chains for dependable solutions. Our team of experts is here to assist you in choosing the right roller chains for your needs. Get in touch with us today to experience the benefits of our superior roller chain products.
#25 Roller Chain
#35 Roller Chain
#40 Roller Chain
#41 Roller Chain
#50 Roller Chain
#60 Roller Chain
#80 Roller Chain
#100 Roller Chain
#120 Roller Chain
#140 Roller Chain
#160 Roller Chain
#180 Roller Chain
#200 Roller Chain
#240 Roller Chain

ANSI Roller Chain Type

ANSI Simplex Roller Chain
ANSI Simplex Roller Chain

ANSI Duplex Roller Chain
ANSI Duplex Roller Chain
ANSI Triplex Roller Chain
ANSI Triplex Roller Chain
ANSI Multiple Strand Roller Chain
ANSI Multiple Strand Roller Chain
ANSI Hollow Pin Roller Chain
ANSI Hollow Pin Roller Chain
ANSI Cottered Roller Chain
ANSI Cottered Roller Chain

ANSI Roller Chain Size

ANSI Simplex Roller Chain

ANSI Simplex Roller Chain
ANSI Simplex Roller Chain Dimension Chart
Chain SizePitchRoller diameterWidth between innner platesPin diameterPin lengthInner plate depthPlate thicknessAverage tensile strengthWeight per meter
Pd1
max		b1
min		d2
max		L
max		Lc
max		h2
max		T
max		Q0q
mmmmmmmmmmmmmmmmkNkg/m
154.7625 2.48 2.38 1.62 6.10 6.904.30 0.60 2.0 0.08 
*256.3500 3.30 3.18 2.31 7.90 8.406.00 0.80 5.0 0.15
*359.5250 5.08 4.77 3.58 12.40 13.17 9.00 1.30 11.3 0.33
4112.7000 7.77 6.25 3.58 13.75 15.00 9.91 1.30 12.6 0.41
4012.7000 7.95 7.85 3.96 16.60 17.80 12.00 1.50 18.6 0.62
5015.8750 10.16 9.40 5.08 20.70 22.20 15.09 2.03 31.3 1.02
6019.0500 11.91 12.57 5.94 25.90 27.70 18.00 2.42 43.2 1.50
8025.4000 15.88 15.75 7.92 32.70 35.00 24.00 3.25 74.3 2.60 
10031.7500 19.05 18.90 9.53 40.40 44.70 30.00 4.00 107.6 3.91 
12038.1000 22.23 25.22 11.10 50.30 54.30 35.70 4.80 163.1 5.62 
14044.4500 25.40 25.22 12.70 54.40 59.00 41.00 5.60 222.5 7.50 
16050.8000 28.58 31.55 14.27 64.80 69.60 47.80 6.40 266.9 10.10 
18057.1500 35.71 35.48 17.46 72.80 78.60 53.60 7.20 361.1 13.45 
20063.5000 39.68 37.85 19.85 80.30 87.20 60.00 8.00 466.8 16.15 
24076.2000 47.60 47.35 23.81 95.50 103.00 72.39 9.50 671.6 23.20 

ANSI Duplex Roller Chain

ANSI Duplex Roller Chain
ANSI Duplex Roller Chain Dimension Chart
Chain SizePitchRoller diameterWidth between
innner plates		Pin diameterPin lengthInner plate depthPlate thicknessTransverseAverage
tensile strength		Weight per meter
Pd1
max		b1
min		d2
max		L
max		Lc
max		h2
max		T
max		PtQ0q
mmmmmmmmmmmmmmmmmmkNkg/m
*25-26.350 3.30 3.18 2.31 14.5 15.0 6.00 0.80 6.40 10.0 0.28 
*35-29.525 5.08 4.77 3.58 22.5 23.3 9.00 1.30 10.13 22.3 0.63 
41-212.700 7.77 6.25 3.58 25.7 26.9 9.91 1.30 11.95 16.9 0.81 
40-212.700 7.95 7.85 3.96 31.0 32.2 12.00 1.50 14.38 37.2 1.12 
50-215.875 10.16 9.40 5.08 38.9 40.4 15.09 2.03 18.11 62.6 2.00 
60-219.050 11.91 12.57 5.94 48.8 50.5 18.00 2.42 22.78 86.4 2.92 
80-225.400 15.88 15.75 7.92 62.7 64.3 24.00 3.25 29.29 148.6 5.15 
100-231.750 19.05 18.90 9.53 76.4 80.5 30.00 4.00 35.76 215.2 7.80 
120-238.100 22.23 25.22 11.10 95.8 99.7 35.70 4.80 45.44 326.2 11.70 
140-244.450 25.40 25.22 12.70 103.3 107.9 41.00 5.60 48.87 445.0 15.14 
160-250.800 28.58 31.55 14.27 123.3 128.1 47.80 6.40 58.55 533.8 20.14 
180-257.150 35.71 35.48 17.46 138.6 144.4 53.60 7.20 65.84 722.2 29.22 
200-263.500 39.68 37.85 19.85 151.9 158.8 60.00 8.00 71.55 933.6 32.24 
240-276.200 47.63 47.35 23.81 183.4 190.8 72.39 9.50 87.83 1343.2 45.23 

ANSI Triplex Roller Chain

ANSI Triplex Roller Chain
ANSI Triplex Roller Chain Dimension Chart
Chain SizePitchRoller diameterWidth between
innner plates		Pin diameterPin lengthInner plate depthPlate thicknessTransverseAverage
tensile strength		Weight per meter
Pd1
max		b1
min		d2
max		L
max		Lc
max		h2
max		T
max		PtQ0q
mmmmmmmmmmmmmmmmmmkNkg/m
*25-36.350 3.30 3.18 2.31 21.0 21.5 6.00 0.80 6.40 15.00 0.44 
*35-39.525 5.08 4.77 3.58 32.7 33.5 9.00 1.30 10.13 33.90 1.05 
40-312.700 7.95 7.85 3.96 45.4 46.6 12.00 1.50 14.38 55.80 1.90 
50-315.875 10.16 9.40 5.08 57.0 58.5 15.09 2.03 18.11 93.90 3.09 
60-319.050 11.91 12.57 5.94 71.5 73.3 18.00 2.42 22.78 129.60 4.54 
80-325.400 15.88 15.75 7.92 91.7 93.6 24.00 3.25 29.29 222.90 7.89 
100-331.750 19.05 18.90 9.53 112.2 116.3 30.00 4.00 35.76 322.80 11.77 
120-338.100 22.23 25.22 11.10 141.4 145.2 35.70 4.80 45.44 489.30 17.53 
140-344.450 25.40 25.22 12.70 152.2 156.8 41.00 5.60 48.87 667.50 22.20 
160-350.800 28.58 31.55 14.27 181.8 186.6 47.80 6.40 58.55 800.70 30.02 
180-357.150 35.71 35.48 17.46 204.4 210.2 53.60 7.20 65.84 1083.30 38.22 
200-363.500 39.68 37.85 19.85 223.5 230.4 60.00 8.00 71.55 1400.40 49.03 
240-376.200 47.63 47.35 23.81 271.3 278.6 72.39 9.50 87.83 2014.80 71.60 

ANSI Hollow Pin Roller Chain

ANSI Hollow Pin Roller Chain
ANSI Hollow Pin Roller Chain Dimension Chart
Chain SizePitchRoller diameterWidth between
innner plates		Pin diameterPin lengthInner plate depthPlate thicknessAverage
tensile strength		Weight per meter
Pd1
max		b1
min		d2
max		d3
min		L
max		Lc
max		h2
max		t/T
max		Q0q
mmmmmmmmmmmmmmmmmmkNkg/m
40HP12.7007.957.855.634.0016.517.612.001.5012.200.54
50HP15.87510.169.407.035.1320.721.915.092.0322.600.91
60HP19.05011.9112.708.316.0025.826.818.002.4226.901.29
80HP25.40015.8815.7511.408.0532.533.824.003.2552.002.26

ANSI Cottered Roller Chain

ANSI Simplex Cottered Roller Chain
ANSI Simplex Cottered Roller Chain Dimension Chart
Chain SizePitchRoller diameterWidth between innner platesPin diameterPin lengthInner plate depthPlate thicknessAverage tensile strengthWeight per meter
Pd1
max		b1
min		d2
max		Lc
max		h2
max		t/T
max		Q0q
mmmmmmmmmmmmmmkNkg/m
50-115.875 10.16 9.40 5.08 23.315.09 2.03 29.41.02 
60-119.050 11.91 12.57 5.94 28.318.00 2.42 41.51.50 
80-125.400 15.88 15.75 7.92 36.524.00 3.25 69.42.60 
100-131.750 19.05 18.90 9.53 44.730.00 4.00 109.23.91 
120-138.100 22.23 25.22 11.10 54.335.70 4.80 156.35.62 
140-144.450 25.40 25.22 12.70 59.041.00 5.60 2127.50 
160-150.800 28.58 31.55 14.27 69.647.80 6.40 278.910.10 
180-157.150 35.71 35.48 17.46 78.653.60 7.20 341.813.45 
200-163.500 39.68 37.85 19.85 87.260.00 8.00 431.616.15 
240-176.200 47.63 47.35 23.81 10372.39 9.50 622.523.20 

ANSI Roller Chain Selection

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ANSI Roller Chains

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ANSI #50-8 Roller ChainANSI #50-8 Roller ChainANSI #50 Multiple Strand Roller chains are efficient transmission component in industrial machinery.In Stock
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ANSI #50-3 Cottered Roller ChainANSI #50-3 Cottered Roller ChainANSI #50-3 Cottered Roller chains are efficient transmission component for power and motion transfer in industrial machinery.Email/Call
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ANSI #60-8 Roller ChainANSI #60-8 Roller ChainANSI #60 Multiple Strand Roller chains are efficient transmission component in industrial machinery.In Stock
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ANSI #60-3 Cottered Roller ChainANSI #60-3 Cottered Roller ChainANSI #60-3 Cottered Roller chains are efficient transmission component for power and motion transfer in industrial machinery.In Stock
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ANSI #80-8 Roller ChainANSI #80-8 Roller ChainANSI #80 Multiple Strand Roller chains are efficient transmission component in industrial machinery.Available Now
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ANSI #80-3 Cottered Roller ChainANSI #80-3 Cottered Roller ChainANSI #80-3 Cottered Roller chains are efficient transmission component for power and motion transfer in industrial machinery.In Stock
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ANSI #100-8 Roller ChainANSI #100-8 Roller ChainANSI #100 Multiple Strand Roller chains are efficient transmission component in industrial machinery.In Stock
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ANSI #100-3 Cottered Roller ChainANSI #100-3 Cottered Roller ChainANSI #100-3 Cottered Roller chains are efficient transmission component for power and motion transfer in industrial machinery.Available Now
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ANSI #120-8 Roller ChainANSI #120-8 Roller ChainANSI #120 Multiple Strand Roller chains are efficient transmission component in industrial machinery.Email/Call
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ANSI #120-3 Cottered Roller ChainANSI #120-3 Cottered Roller ChainANSI #120-3 Cottered Roller chains are efficient transmission component for power and motion transfer in industrial machinery.In Stock
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ANSI Roller Chain FAQ

What is the ANSI standard for roller chain?
Roller chain comes in various sizes, with the most prevalent standards set by the American National Standards Institute (ANSI) including 40, 50, 60, and 80. The first digits represent the chain's pitch in eighths of an inch, while the last digit signifies the type of chain: 0 for standard, 1 for lightweight, and 5 for bushed chain without rollers.

What is the difference between ANSI and BS chain?
The ANSI series chain is measured in eighths of an inch, but only the numerator of the fraction is provided. For instance, 4 denotes 4/8 inches, which simplifies to ½ inch chain and is stamped as 40. Conversely, the BS series chain is measured in sixteenths of an inch. Therefore, 8/16 inches simplifies to ½ inch, and the chain is stamped as 08B.
What Is The US Standard ANSI?
ANSI (American National Standards Institute) is a leading organization shaping technology standards in the United States. Collaborating with industry associations, it serves as the U.S. representative for the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC).

About CTS® Roller Chain

Professional Roller Chain Supplier

CTS® Roller Chain is an industry-leading roller chain supplier with excellent customer service. We take our products and customers seriously, combining high-quality products and professional services to provide our customers with the Roller Chain that best suits their applications. With CTS®'s Roller Chain online selection, we can easily find your chain online or via phone consultation. Roller Chains have been around since the 1880s, so it's no wonder they've become so common today with their simple yet efficient design. We supply Roller Chain to all over the world, and supply standard ANSI Roller Chains and Metric Roller Chains directly from stock!

Your trusted partner in Custom Roller Chain Manufacturing

At CTS®, we are more than just a manufacturer and supplier; we are your partner on the road to success. Our commitment to providing the best custom Roller Chains solutions for your industry continues to grow with each passing day. As we continue to expand our facilities and manufacturing activities, we are committed to setting new standards in the Roller Chains industry. Join us on this journey of technology and innovation.

Contact us today to learn how CTS® can provide you with a perfectly customized industrial chain that fits the unique needs of your industry.

CTS's Commitment

High-quality materials and manufacturing:

We prioritize quality and customer satisfaction as our differentiators.


Pursuit of perfection:

We strive to be the “best” in all our actions.


Customer-centric approach:

We value our customers’ needs and treat them as our roadmap.


Continuous Innovation:

Research and development are core values for our growth and success.

Global Vision:

Transmit Force, Dirve Future. We aspire to become a globally renowned company that drives a more sustainable future with high-quality industrial transmission products.

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