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Product Specification
Boss Dia
95mm
Number of Teeth
31
Outside Dia
196.3mm
Overall Length
40mm
Pilot Bore Size
20mm
Pitch
3/4inch
Reference
6SR31
Brand
Medway
Quick Order Code
BB-20304
Product Description

12B1 British Standard Pilot Bore Sprocket

The 6SR31 is a precision-engineered pilot bore sprocket designed for use with 12B1 simplex roller chains. This Medway sprocket is an essential component for reliable power transmission across a diverse range of industrial applications. With 31 teeth and a 3/4 inch pitch, it offers an excellent balance for medium to high-torque applications.

Specifications:

  • Pitch: 3/4 inch
  • Number of Teeth: 31
  • Boss Diameter: 95mm
  • Outside Diameter: 196.3mm
  • Overall Length: 40mm
  • Pilot Bore Size: 20mm
  • Manufacturer: Medway

Key Features:

  • British Standard 12B1 specification for guaranteed compatibility
  • Pilot bore design allows for custom machining to your exact shaft requirements
  • Precision-engineered for optimal performance and durability
  • Suitable for conveyor systems, agricultural equipment, packaging machinery, and general industrial power transmission applications

With its 95mm boss diameter and 20mm pilot bore, the 6SR31 provides excellent versatility for medium-duty applications requiring dependable chain drive performance. Whether you need this sprocket for replacement or new system installation, it's available from our UK warehouse for quick dispatch. For assistance in selecting the correct sprocket for your specific application, our technical team is ready to help.


  • 12B1 Roller Chain To Suit