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Product Specification
Boss Dia
48mm
Number of Teeth
21
Outside Dia
68mm
Overall Length
28mm
Pilot Bore Size
12mm
Pitch
3/8inch
Reference
3SR21
Brand
Medway
Quick Order Code
BB-20183
Product Description

The 3SR21 Pilot Bore Sprocket 06B1 is a precision-engineered British standard simplex chain sprocket designed for reliable power transmission in a wide range of industrial applications.

Key Features:

  • 06B1 British standard roller chain sprocket
  • 3/8 inch pitch with 21 teeth
  • Pilot bore design (12mm) for easy machining to your required shaft size
  • Outside diameter: 68mm
  • Boss diameter: 48mm
  • Overall length: 28mm
  • Manufactured to exacting British Standard specifications
  • Supplied by Medway, a trusted name in transmission components

Applications:

This 21-tooth sprocket is ideal for use in:

  • Conveyor systems
  • Industrial machinery
  • Agricultural equipment
  • Material handling systems
  • General mechanical power transmission applications

The pilot bore design allows for versatile integration into your existing systems, making it a cost-effective solution for machinery requiring a 3/8 inch pitch simplex roller chain. If you require assistance in selecting the correct 06B1 sprocket specification for your application, our technical team is available to provide expert guidance.


  • 06B1 Roller Chain To Suit