Transmissions
Chain Sprockets
Pilot Bore Sprockets
3/8inch Pitch (06B1, 06B2, 06B3) Pilot Bore Sprocket
06B3 - 3/8inch Triplex Chain Sprocket
Quick Code: BB-20768
3TR38 Triplex Chain Sprocket 06B3
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Product Specification
Boss Dia
90mm
Number of Teeth
38
Outside Dia
119.4mm
Overall Length
40mm
Pilot Bore Size
16mm
Pitch
3/8inch
Reference
3TR38
Brand
Dunlop
Quick Order Code
BB-20768
Product Description
The 3TR38 Triplex Chain Sprocket 06B3 is a British standard roller chain sprocket engineered for demanding industrial power transmission applications. Manufactured by Dunlop, this triplex (three-strand) configuration sprocket delivers enhanced load capacity and torque transmission capabilities.
Specifications:
- 06B3 British standard roller chain sprocket
- 3/8 inch pitch with 38 teeth
- Outside diameter: 119.4mm
- Boss diameter: 90mm
- Pilot bore size: 16mm
- Overall length: 40mm
Applications:
This sprocket is ideally suited for:
- Heavy-duty industrial machinery requiring increased load capacity
- Conveyor systems and material handling equipment
- Power transmission systems where higher torque is essential
- Equipment requiring reliable, consistent performance in demanding environments
- Large-diameter chain drive systems requiring smooth power transmission
Key Features:
- Pilot bore design (16mm) allows for easy machining to your exact shaft dimensions
- Customizable fit for your specific application requirements
- Manufactured to Dunlop's exacting quality standards
- Built for long-lasting durability and reliable performance
- Substantial boss diameter (90mm) provides robust structural support
- Mid-range tooth count suitable for balanced speed and torque applications
For assistance in selecting the correct sprocket for your chain drive system, please contact our technical team.



