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Product Specification
Boss Dia
140mm
Number of Teeth
34
Outside Dia
287mm
Overall Length
70mm
Pilot Bore Size
25mm
Pitch
1inch
Reference
8DR34
Brand
Medway
Quick Order Code
BB-20704
Product Description

16B2 British Standard Duplex Roller Chain Sprocket

The 8DR34 Pilot Bore Chain Sprocket 16B2 is a premium British standard Duplex roller chain sprocket engineered for reliable power transmission in medium to high-torque applications. Manufactured by Medway, this sprocket features a 1 inch pitch and 34 teeth configuration, providing an optimal balance of speed and torque delivery for demanding industrial environments.

Key Specifications:

  • Chain Pitch: 1 inch (16B2 Duplex)
  • Number of Teeth: 34
  • Pilot Bore Size: 25mm
  • Outside Diameter: 287mm
  • Boss Diameter: 140mm
  • Overall Length: 70mm
  • Brand: Medway

Ideal Applications:

  • Heavy-duty power transmission systems
  • Industrial machinery and manufacturing equipment
  • Conveyor systems and material handling
  • Mid-range speed applications with higher torque requirements
  • Retrofit and replacement installations

With 34 teeth, this sprocket is designed for applications requiring balanced torque and speed characteristics. The 25mm pilot bore accommodates larger shaft sizes, while the robust duplex chain design ensures exceptional durability and longevity in demanding industrial environments. As part of our extensive 16B2 - 1 inch Duplex Chain Sprocket range, this product is one of over 37 options available, offering teeth counts from 8 to 95 teeth to suit your specific application requirements.

For technical guidance on selecting the correct sprocket for your system, please contact our team.


  • 16B2 Roller Chain To Suit