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Product Specification
Boss Dia
64mm
Number of Teeth
25
Outside Dia
80mm
Overall Length
40mm
Pilot Bore Size
14mm
Pitch
3/8inch
Reference
3TR25
Brand
Dunlop
Quick Order Code
BB-20755
Product Description

The 3TR25 Triplex Chain Sprocket 06B3 is a British standard roller chain sprocket engineered for demanding industrial power transmission applications. This triplex (three-strand) configuration sprocket delivers enhanced load capacity and torque transmission, making it ideal for heavy-duty machinery, conveyor systems, and industrial equipment requiring reliable performance.

Key Specifications:

  • 06B3 British standard roller chain sprocket
  • 3/8 inch pitch with 25 teeth
  • Outside diameter: 80mm
  • Boss diameter: 64mm
  • Pilot bore size: 14mm
  • Overall length: 40mm
  • Manufactured by Dunlop

Features & Benefits:

  • Triplex Design: Three-strand configuration provides superior strength and increased load capacity compared to simplex alternatives
  • Pilot Bore: 14mm pilot bore allows for easy customization and machining to your exact shaft requirements, ensuring a precision fit for your specific application
  • Heavy-Duty Performance: Built to withstand demanding industrial environments and continuous operation
  • Quality Assurance: Manufactured by Dunlop, a trusted name in power transmission components

Ideal Applications:

This sprocket is suitable for industrial machinery, conveyor systems, packaging equipment, and any application requiring reliable three-strand chain drive power transmission. The 25-tooth configuration offers optimal performance across a wide range of speed and torque requirements.

For assistance in selecting the correct sprocket for your chain drive system or to discuss customization options, please contact our technical team.


  • 06B3 Roller Chain To Suit