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Product Specification
Boss Dia
49mm
Number of Teeth
20
Outside Dia
64.3mm
Overall Length
30mm
Pilot Bore Size
12mm
Pitch
3/8inch
Reference
3DR20
Brand
Medway
Quick Order Code
BB-20529
Product Description

The 3DR20 Pilot Bore Chain Sprocket 06B2 is a precision-engineered duplex chain sprocket designed for British standard roller chain applications. This compact 20-tooth sprocket is ideal for power transmission systems where space is at a premium or lower speed ratios are required.

Key Specifications:

  • 06B2 British standard roller chain sprocket
  • 3/8 inch pitch x 20 teeth
  • Outside diameter: 64.3mm
  • Boss diameter: 49mm
  • Pilot bore size: 12mm
  • Overall length: 30mm

Features & Benefits:

  • Pilot Bore Design: Allows for easy machining and customization to match your specific shaft requirements
  • Compact Size: The smaller tooth count makes this sprocket ideal for applications requiring compact drive systems or speed reduction
  • Quality Construction: Manufactured by Medway to exacting standards for reliable performance
  • Universal Compatibility: Compatible with all 06B2 duplex chain systems, ensuring seamless integration into existing machinery

Ideal Applications:

This sprocket is perfect for conveyors, industrial machinery, automation equipment, and other chain-driven applications requiring a smaller sprocket with 12mm bore capacity.

For technical assistance or to confirm this sprocket meets your application requirements, please contact our knowledgeable team.


  • 06B2 Roller chains To Suit