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Product Specification
Boss Dia
110mm
Number of Teeth
33
Outside Dia
138.4mm
Overall Length
55mm
Pilot Bore Size
20mm
Pitch
1/2inch
Reference
4TR33
Brand
Medway
Quick Order Code
BB-20798
Product Description

08B3-33 Triplex Chain Sprocket

This 33-tooth pilot bore sprocket is engineered to meet British standard 08B3 specifications and delivers reliable power transmission for a wide range of industrial applications. With a 1/2 inch pitch triplex configuration, this mid-range sprocket provides an excellent balance between speed and torque, making it suitable for both moderate and heavy-duty drive systems.

Key Specifications:

  • 08B3 British standard roller chain sprocket
  • 1/2 inch pitch x 33 teeth
  • Outside diameter: 138.4mm
  • Boss diameter: 110mm
  • Pilot bore size: 20mm
  • Overall length: 55mm
  • Brand: Medway

Applications:

The 33-tooth configuration makes this sprocket particularly suited for:

  • Industrial machinery requiring balanced speed and torque
  • Conveyor systems with standard operational demands
  • Heavy-duty power transmission applications
  • General-purpose drive assemblies
  • Manufacturing equipment and production line systems

As part of our comprehensive 08B3 triplex chain sprocket range, this sprocket maintains full compatibility with standard 1/2 inch pitch triplex roller chains. Our technical team is available to help you select the ideal sprocket configuration for your specific application requirements.


  • 08B3 Roller Chain To Suit