Transmissions
Chain Sprockets
Pilot Bore Sprockets
1/2inch Pitch (08B1, 08B2, 08B3) Pilot Bore Sprockets
08B3 - 1/2inch Triplex Chain Sprockets
Quick Code: BB-20775
4TR10 Pilot Bore Chain Sprocket 08B3
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Product Specification
Boss Dia
28mm
Number of Teeth
10
Outside Dia
45.2mm
Overall Length
46mm
Pilot Bore Size
12mm
Pitch
1/2inch
Reference
4TR10
Brand
Medway
Quick Order Code
BB-20775
Product Description
08B3-10 Triplex Chain Sprocket
This compact 10-tooth pilot bore chain sprocket is engineered to meet British standard 08B3 specifications, making it ideal for applications requiring precise speed reduction and reliable power transmission in confined spaces.
Key Features:
- 08B3 British standard roller chain sprocket
- 1/2 inch pitch with 10 teeth
- Triplex (three-strand) chain configuration for enhanced load capacity
- Compact design with 45.2mm outside diameter
- 12mm pilot bore for secure shaft mounting
- 28mm boss diameter for robust hub support
- 46mm overall length
- Manufactured by trusted brand Medway
Applications:
This sprocket is particularly suited for:
- High-speed drive applications requiring maximum speed reduction
- Industrial machinery with limited installation space
- Conveyor systems and material handling equipment
- Power transmission systems demanding reliable performance
- Heavy-duty applications where triplex chain configuration ensures superior load distribution
Compatible with standard 08B3 1/2 inch pitch triplex roller chains. Our technical team is available to help you confirm this sprocket is the correct fit for your application.



