Transmissions
Chain Sprockets
Pilot Bore Sprockets
3/8inch Pitch (06B1, 06B2, 06B3) Pilot Bore Sprocket
06B3 - 3/8inch Triplex Chain Sprocket
Quick Code: BB-20748
3TR18 Triplex Chain Sprocket 06B3
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Product Specification
Boss Dia
43mm
Number of Teeth
18
Outside Dia
58.3mm
Overall Length
35mm
Pilot Bore Size
12mm
Pitch
3/8inch
Reference
3TR18
Brand
Dunlop
Quick Order Code
BB-20748
Product Description
The 3TR18 Triplex Chain Sprocket 06B3 is a British standard roller chain sprocket designed for demanding industrial power transmission applications. With its triplex (three-strand) configuration, this sprocket delivers enhanced load capacity and torque transmission capabilities, making it ideal for heavy-duty machinery, conveyor systems, and equipment requiring reliable chain drive performance.
Specifications:
- 06B3 British standard roller chain sprocket
- 3/8 inch pitch with 18 teeth
- Outside diameter: 58.3mm
- Boss diameter: 43mm
- Pilot bore size: 12mm
- Overall length: 35mm
- Manufactured by Dunlop
Key Features:
- Heavy-duty construction: Triplex chain configuration for increased load capacity and extended service life
- Pilot bore design: 12mm pilot bore allows for easy machining to your exact shaft dimensions, providing a customised fit for your specific application
- British standard specification: Ensures compatibility with 06B3 chain and other standardised components
- Quality assured: Dunlop manufacturing guarantees consistent quality and reliable performance
Ideal Applications: Industrial machinery, conveyor systems, power transmission equipment, and any application where reliable torque transmission with increased load capacity is essential.
For assistance in selecting the correct sprocket for your chain drive system, please contact our technical team.



