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20B Roller Chain


20B Roller Chain

20B Roller Chain

#20B Roller Chain

The 20B roller chain is a British Standard metric chain designed to comply with ISO 606, BS 228, and DIN 8187 standards. It features a pitch of 1-1/4 inches (31.75 mm) and a roller diameter of 0.750 inches (19.05 mm). The chain's inner width is 0.770 inches (19.56 mm), and it is made from high-grade carbon steel, offering strength and durability for various industrial applications.

20B Roller Chain Dimension

20B Roller Chain Size Chart
Roller diameter
Roller width
Pin diameter
Pin length
Plate depth
Plate thickness
Tensile strength
31.750 mm
19.05 mm
19.56 mm
10.19 mm
41.30 mm
26.40 mm
4.50/3.5 mm

20B Roller Chain Specs

We offer a variety of 20B chains to address specific needs. Here are some 20B roller chains with different specifications designed to address challenges in 20B roller chain applications. Our metric 20B roller chain is made from high-quality steel components and features heat-treated and shot-peened components.

20B Roller Chain Solution

We manufacture 20B roller chains using high-quality materials and offer various material options to meet special requirements and applications.

If you don't find a solution that meets your requirements, please contact us for customized options.
Carbon Steel 20B Roller Chain

Carbon Steel 20B Roller Chain

Our carbon steel 20B roller chain boasts high strength and wear resistance, making it ideal for typical operating environments. Metric 20B roller chain finds applications in various industries, including general industrial and agricultural machinery.
Stainless Steel 20B Roller Chain

Stainless Steel 20B Roller Chain

Stainless steel 20B roller chains are characterized by their high resistance to corrosion, making them well-suited for use in demanding environments. Metric 20BSS roller chain finds applications across various industries including pharmaceuticals, chemicals, and marine equipment, where durability and reliability are needed.
Nickel Plated 20B Roller Chain

Nickel Plated 20B Roller Chain

In humid and mildly corrosive environments, Nickel-plated 20B roller chains showcase their resistance to rust and corrosion, rendering them suitable.  The 20BNP roller chains are mostly employed in food processing equipment and outdoor machinery.

20B Roller Chain Accessories

Whether you need 20B roller chain attachments20B roller chain connecting links, 20B chain sprockets, or roller chain breakers, we have a full range of accessories. If you need any 20B chain accessories, please contact us.
20B Roller Chain Attachments
Metric 20B roller chain attachments are essential components designed to enhance the functionality and adaptability of standard 20B roller chains. Metric 20B roller chains with attachments are commonly used in conveyors, packaging, and agricultural machinery.
20B Roller Chain Connecting Links

20B Chain Connecting Links

20B roller chain connecting link, also known as a 20B master link, is a removable component used to join or disconnect sections of a roller chain. It allows quick and easy maintenance, making the roller chain assemble or disassemble in machinery.
20B Roller Chain Breakers
20B roller chain breakers are designed to cut and break roller chains efficiently. It simplifies removing or resizing chains by separating the links without damaging them. 

20B Chain Sprockets
Metric 20B roller chain sprockets are engaged with size 20B roller chains. We have a complete selection of 20B roller chain sprockets ranging from A-plate, B-hub, taper-bushed, plain bore sprocket, and finished bore sprocket configurations. 

20B Roller Chain Sprocket

20B Sprockets Dimensions

20B Sprocket
20B Sprocket Dimension Chart
Sprocket SizeNo. Teeth Outside Dia.(de)Pitch Dia.(dp) Hub Dia.(dm)Bore Dia.(D1) LTB(A)Weight(Lbs.)
20B8898.1 82.965320 400.92
20B99108.0 92.846320 401.19
20B1010117.9 102.747020 401.51
20B1111127.8 112.687720 452.04
20B1212137.8 122.688820 452.58
20B1313147.8 132.659820 453.15
20B1414157.8 142.6810820 453.78
20B1515167.9 152.7211820 454.47
20B1616177.9 162.7512020 505.28
20B1717187.9 172.7812025 505.64
20B1818198.0 182.8512025 506.01
20B1919208.1 192.9112025 506.55
20B2020218.1 202.9812025 506.98
20B2121228.2 213.0414025 558.64
20B2222238.3 223.1114025 559.11
20B2323248.3 233.1714025 559.60
20B2424258.4 243.2314025 5510.31
20B2525268.5 253.3314025 5510.85
20B2626278.6 263.40*15025 5511.90
20B2727288.6 273.49*15025 5512.48
20B2828298.7 283.56*15025 5513.08
20B2929308.8 293.65*15025 5513.71
20B3030318.9 303.75*15025 5514.36
20B3131329.0 313.85*15025 5515.02
20B3232339.1 323.91*15025 5515.71
20B3333349.2 334.01*15025 5516.42
20B3434359.3 344.10*15025 5517.94
20B3535369.4 354.20*15025 5518.72
20B3636379.5 364.30*15025 5519.53
20B3737389.5 374.39*15025 5520.35
20B3838399.6 384.49*15025 5521.20
20B3939409.7 394.59*15025 5522.07
20B4040419.8 404.69*15025 5522.97
20B4141429.9 414.77*15025 7025.49
20B4242440.0 424.86*15025 7026.43
20B4343450.1 434.96*15025 7027.38
20B4444460.2 445.06*15025 7028.36
20B4545470.3 455.17*15025 7029.36
20B4646480.4 465.25*15025 7030.38
20B4747490.5 475.35*15025 7031.43
20B4848500.6 485.45*15025 7032.49
20B49  49510.7 495.55*15025 7033.58
20B50  50520.8 505.65*15025 7034.68
20B51  51530.9 515.75*15025 8036.89
20B52  52541.0 525.85*15025 8038.04
20B53  53551.1 535.95*15025 8039.21
20B54  54561.2 546.05*15025 8040.40
20B55  55571.3 556.15*15025 8041.62
20B56  56581.4 566.25*15025 8042.85 
20B57  57591.5 576.35*15025 8044.11
20B58  58601.6 586.45*15025 8045.39
20B59  59611.7 596.56*15025 8046.69
20B60  60621.8 606.66*15025 8048.01
20B62  62642.0 626.86*15025 8050.72
20B64  64662.2 647.07*15025 8053.51
20B65  65672.3 657.17*15025 8054.94
20B66  66682.4 667.27*15025 8056.39
20B68  68702.6 687.48*15025 8059.35
20B70  70722.8 707.68*15025 8062.40
20B72  72743.1 727.89*15025 8065.55
20B75  75773.3 758.20*15025 8070.40
20B76  76783.5 768.32*15025 8072.08
20B80  80823.9 808.71*15025 8078.96
20B85  85874.4 859.23*15025 9089.10
20B90  90924.9 909.76*15025 9098.71
20B95  95975.2 960.28*15025 90108.81
20B100  1001026.0 1010.80*15025 90119.56 
20B114  1141167.4 1152.26*15025 90152.32 

20B Roller Chain Application

The metric 20B roller chain is widely used in many industries and has become the main chain size for most applications. Each component of our 20B chain is precisely manufactured professionally heat-treated and shot-peened for optimal performance. Keep in mind that the standard carbon steel 20B chain is designed to operate in temperatures from 15°F to 140°F, with a heat-treated hardness range of HRC 45-55. For any situations outside this range, please contact us for a solution.
Roller Chain Application
Roller Chain Application
Conveyor Systems: Used in various types of conveyor systems to move materials and products efficiently.

Agricultural Machinery: Employed in equipment such as harvesters, tractors, and planters for transmitting power.

Industrial Machinery: Utilized in machines like packaging equipment, printing presses, and textile machinery for power transmission and operational functions.

Food Processing Equipment: Used in food processing machinery due to their availability in corrosion-resistant materials like stainless steel or with special coatings.

Mining Equipment: Used in mining operations for machinery that requires durable and robust power transmission solutions.

Material Handling: Essential in systems like palletizers and depalletizers for handling and moving materials in warehouses and distribution centers.

Elevators and Lifts: Incorporated into the mechanisms of elevators and lifting equipment to ensure smooth and reliable operation.

20B Roller Chain Resource


20B Roller Chain

DescriptionStock LevelMore

CTS®'s Commitment

Enhanced Durability:

Our 20B Roller Chain is crafted to handle exceptional strength, ensuring longevity and reliability in your operations.

Smooth Performance: 

Designed to minimize friction and maximize efficiency.

Versatile Applications: 

Suitable for a wide range of applications, providing flexibility and adaptability.

Reduced Downtime: 

Decreased maintenance due to robust construction and dependable performance.

Quality Assurance: 

Our 20B Chain undergoes rigorous testing to meet Metric standards, guaranteeing superior performance.

Professional Roller Chain supplier

CTS® Roller Chain is a trustworthy provider due to its commitment to quality, expertise, and customer service. With many years of extensive experience, CTS® offers high-quality products and assistance from a team of professional technicians. Whether you need standard roller chains, specialty chains, or roller chain sprockets, CTS® ensures durable and dependable solutions customized to your project needs.

Ask CTS?

Having trouble finding the product you need? Send us an email with your question or message, and we'll quickly respond with tailored solutions. We're eager to hear from you! Expect top-notch precision, reliability, efficiency, and performance. Let's redefine excellence together.

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