Best Mechanical Roller Chain Sprockets of 2026

Name: sourcing map 25 Tooth Roller Sprocket B Type
Brand: sourcing map

Harvey Wall

Last Updated: 2 Feb 2026

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Mechanical roller chain sprockets are an essential component of many types of machinery, used to transmit power and motion between rotating shafts. These sprockets are typically made of durable materials such as steel or cast iron, and come in a range of sizes and configurations to suit various applications. They are commonly used in manufacturing, agriculture, and automotive industries, among others. These sprockets are designed to work in conjunction with roller chains, which mesh with the teeth of the sprocket to transfer power and stabilise motion.

At a Glance: Our Top Picks

#TOP 1

sourcing map 25 Tooth Roller Sprocket B Type

9.8

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#TOP 2

sourcing map 15 Tooth Roller Sprocket B Type

9.7

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#TOP 3

sourcing map 12 Tooth Roller Sprocket B Type

9.5

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Top 5 Mechanical Roller Chain Sprockets

#TOP 1

sourcing map 25 Tooth Roller Sprocket B Type

sourcing map
a21121100ux0408
20mm

sourcing map 25 Tooth Roller Sprocket B Type, #25 Chain, Single Strand 1/4" Pitch, 20mm Bore Black Oxide C45 Carbon Steel with Set Screws for ISO 04C

The sourcing map Roller Sprocket is designed for ease of use in mechanical applications. It comes with two set screws, ensuring a secure fit on a fixed shaft. This feature allows you to mount the sprocket firmly, enhancing stability during operation. Made from durable C45 carbon steel, it boasts high hardness and wear resistance, which means it will last longer, saving you time and money. Additionally, the black oxide coating offers rust resistance, making it suitable for various environments.

9.8

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What We Like

Durable C45 carbon steel
Rust-resistant black oxide coating
Secure fit with set screws
Long service life

#TOP 2

sourcing map 15 Tooth Roller Sprocket B Type

sourcing map
a21121100ux0298
10mm

sourcing map 15 Tooth Roller Sprocket B Type, #25 Chain, Single Strand 1/4" Pitch, 10mm Bore Black Oxide C45 Carbon Steel with Set Screws for ISO 04C

The sourcing map Roller Sprocket features a robust design, perfect for fixed installations on machinery. With two set screws at 90 degrees, it ensures a stable shaft connection, enhancing ease of use. The sprocket's strong teeth are designed to securely latch onto the chain, providing reliable performance. Made from durable C45 carbon steel, it boasts high hardness and wear resistance, ensuring a long service life for your applications.

9.7

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What We Like

Durable carbon steel construction
Stable shaft connection
High wear resistance
Easy to install

#TOP 3

sourcing map 12 Tooth Roller Sprocket B Type

sourcing map
a21121100ux0284
10mm

sourcing map 12 Tooth Roller Sprocket B Type, #25 Chain, Single Strand 1/4" Pitch, 10mm Bore Black Oxide C45 Carbon Steel with Set Screws for ISO 04C

The sourcing map Roller Sprocket is designed for easy installation on fixed shafts, featuring two set screws that ensure a secure fit. With a robust construction from C45 carbon steel, this sprocket offers high hardness and wear resistance, promising a long service life. Its black oxide coating provides excellent rust resistance, making it suitable for various industrial applications. Additionally, the sprocket's design allows for effective engagement with the chain, ensuring efficient power transmission in machines like milling and drilling equipment.

9.5

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What We Like

Secure installation with set screws
Durable C45 carbon steel
Rust-resistant black oxide coating
Efficient power transmission
Suitable for various machines

#TOP 4

Kozelo Roller Sprocket B Type 10 Tooth 8mm

Kozelo
klf230926zz002985
Black

Kozelo Roller Sprocket B Type - [10 Tooth x 8mm ID] Carbon Steel with 2pcs Screw Chain Sprocket for Milling Drilling Machines ISO 04C Use | 1/4 Inch Pitch, #25 Chain

The Kozelo Roller Sprocket offers a package containing a 10-tooth sprocket with an 8mm bore, plus two set screws for secure fitting. Made from durable c45 carbon steel, it features teeth treated with high-temperature quenching to provide excellent hardness and wear resistance, ensuring long-lasting performance. Designed for fixed mounting on shafts, this sprocket is ideal for use in milling and drilling machines, giving you reliable power transmission. Its strong teeth latch firmly onto the chain, helping you maintain efficient and consistent machine operation.

9.4

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What We Like

Durable carbon steel material
High hardness teeth treatment
Includes set screws for fitting
Reliable power transmission

#TOP 5

sourcing map 9 Teeth 1/2" Pitch Sprocket

sourcing map
a22010500ux0539
41mm

sourcing map 9 Teeth Sprocket Type B Single Strand 1/2" Pitch, 10mm Bore A3 Carbon Steel for ISO 08B

The sourcing map 9 Teeth Sprocket is designed for reliable performance in various machinery. It features a hub extension that ensures stability when mounted on a fixed shaft, giving you peace of mind during operation. The robust teeth are engineered to mesh securely with the chain, enhancing efficiency and longevity. Made of A3 carbon steel, the sprocket’s surface is treated for improved hardness and wear resistance, allowing for durability in demanding applications. You can also customise the inner diameter for specific requirements, providing versatility in use.

9.3

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What We Like

Stable hub extension design
Strong teeth for secure meshing
Durable A3 carbon steel material
Customisable inner diameter options

Frequently Asked Questions (FAQs)

1. How many types of chain sprockets are there?

Type A sprockets, which are only the plate with no added thickness or hubs. Type B sprockets, which have a hub on one side. Type C sprockets, which have hubs of equal thickness on both sides of the plate. Type C offset or Type D sprockets, which also have two hubs.

2. What is chain roller sprocket?

One of the questions we've run into from time to time is, “What are chain sprockets (or roller chain sprockets)?” Roller chain sprockets are, simply put, any wheel with teeth that mesh with a chain, although sometimes they are also run in conjunction with a track or other perforated material.

3. What are the different types of sprocket?

Following are the main types of sprockets:. Chain sprockets.Duplex sprockets.Industrial sprockets.Drive sprockets.Triplex sprockets.Shaft sprockets.Simplex sprockets.Single pitch and double pitch sprocket.

4. How do I choose a chain sprocket size?

Determine the number of teeth of the small sprocket. The number of teeth for the large sprocket is determined by multiplying the number of teeth for the small sprocket by the speed ratio. More than 15 teeth on the small sprocket is recommended. The number of teeth on the large sprocket should be less than 120.

Editor's Notes

During our mechanical roller chain sprocket research, we found 303 mechanical roller chain sprocket products and shortlisted 5 quality products. We collected and analyzed 2,563 customer reviews through our big data system to write the mechanical roller chain sprockets list. We found that most customers choose mechanical roller chain sprockets with an average price of £20.00.

The mechanical roller chain sprockets are available for purchase. We have researched hundreds of brands and picked the top brands of mechanical roller chain sprockets, including sourcing map, Kozelo.

Written by

Harvey Wall

Harvey Wall was born and raised in Norwich. He mastered the art of tool production and finished at the prestigious Norwich University. His area of interest include cutting tools, abrasive finishing and power tools. Harvey is always looking for ways to improve the finesse of industrial tools via his myriads of researches. He also shares some of his experiences on many platforms while writing on tool products.