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Product Specification
Boss Dia
140mm
Number of Teeth
31
Outside Dia
262mm
Overall Length
100mm
Pitch
1inch
Reference
8TR31
Brand
Medway
Quick Order Code
BB-20904
Product Description

16B3 British Standard Roller Chain Sprocket

The 8TR31 is a pilot bore sprocket designed for use with 16B3 British standard triplex roller chain systems. This sprocket offers an excellent balance between compact design and high tooth count, making it suitable for applications requiring moderate speed reduction or torque multiplication.

Key Specifications:

  • 1 inch pitch
  • 31 teeth
  • Boss diameter: 140mm
  • Outside diameter: 262mm
  • Overall length: 100mm
  • Pilot bore design for secure shaft mounting

Common Applications:

  • Conveyors and material handling systems
  • Industrial machinery and equipment drives
  • Power transmission in moderate-speed applications
  • Agricultural and construction equipment
  • Production line automation

Built to British Standard specifications, this Medway sprocket offers reliable performance and compatibility with standard 16B3 triplex chain, making it a dependable choice for your mechanical power transmission needs.


  • 16B3 Roller Chain To Suit