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Product Specification
Boss Dia
100mm
Number of Teeth
33
Outside Dia
138.4mm
Overall Length
40mm
Pilot Bore Size
20mm
Pitch
1/2inch
Reference
4DR33
Brand
Medway
Quick Order Code
BB-20582
Product Description

4DR33 Pilot Bore Chain Sprocket 08B2

The 4DR33 Pilot Bore Chain Sprocket 08B2 is a high-quality duplex chain sprocket engineered for reliable power transmission in demanding industrial applications. Featuring 33 teeth and a 1/2 inch pitch, this sprocket delivers excellent torque characteristics and load capacity for heavy-duty machinery.

Key Specifications

  • 08B2 British standard roller chain sprocket
  • 1/2 inch pitch x 33 teeth
  • Outside diameter: 138.4mm
  • Boss diameter: 100mm
  • Pilot bore size: 20mm
  • Overall length: 40mm

Product Features

  • Duplex design with two rows of teeth for increased load capacity and enhanced power transmission
  • Pilot bore configuration allows for precise shaft fitting and secure installation
  • Manufactured to British standard specifications for full compatibility with 1/2 inch pitch roller chains
  • Premium quality from trusted manufacturer Medway
  • Large 20mm pilot bore suitable for substantial shaft applications

Ideal Applications

This sprocket is well-suited for use in:

  • Conveyor systems
  • Agricultural machinery
  • Manufacturing equipment
  • Heavy-duty industrial drive systems
  • High-torque power transmission applications

Brand: Medway | Reference: 4DR33

Part of our comprehensive range of 08B2 pilot bore sprockets, all stocked from quality manufacturer Medway and available for immediate dispatch from our UK warehouse. For assistance in selecting the correct sprocket for your specific application or technical support, please contact our expert team.


  • 08B2 Roller Chain To Suit