Transmissions
Chain Sprockets
Pilot Bore Sprockets
1/2inch Pitch (08B1, 08B2, 08B3) Pilot Bore Sprockets
08B3 - 1/2inch Triplex Chain Sprockets
Quick Code: BB-20800
4TR35 Pilot Bore Chain Sprocket 08B3
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Product Specification
Boss Dia
110mm
Number of Teeth
35
Outside Dia
146.7mm
Overall Length
55mm
Pilot Bore Size
20mm
Pitch
1/2inch
Reference
4TR35
Brand
Medway
Quick Order Code
BB-20800
Product Description
08B3-35 Triplex Chain Sprocket
This 35-tooth pilot bore chain sprocket is engineered to meet British standard 08B3 specifications, delivering reliable power transmission for a wide range of industrial applications. With its robust design and triplex chain configuration, it provides excellent load capacity and consistent performance in demanding environments.
Key Features:
- 08B3 British standard roller chain sprocket
- 1/2 inch pitch with 35 teeth
- Triplex (three-strand) chain configuration for enhanced load capacity
- 146.7mm outside diameter
- 20mm pilot bore for secure shaft mounting
- 110mm boss diameter for robust hub support
- 55mm overall length
- Manufactured by trusted brand Medway
Applications:
This sprocket is particularly suited for:
- Industrial machinery requiring balanced speed and torque transmission
- Conveyor systems and material handling equipment
- Heavy-duty power transmission systems
- Applications demanding reliable performance with superior load distribution
- Mid-range speed reduction requirements in confined or standard installation spaces
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.



