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Product Specification
Boss Dia
70mm
Number of Teeth
23
Outside Dia
98.2mm
Overall Length
55mm
Pitch
1/2inch
Reference
4TR23
Brand
Medway
Quick Order Code
BB-20788
Product Description

The 4TR23 Pilot Bore Chain Sprocket 08B3 is a precision-engineered triplex chain sprocket built to the British standard 08B3 specification. This 23-tooth sprocket is ideal for applications requiring reliable power transmission with moderate load capacity.

Key Specifications:

  • 08B3 British standard roller chain sprocket
  • 1/2 inch pitch with 23 teeth
  • Boss diameter: 70mm
  • Outside diameter: 98.2mm
  • Overall length: 55mm
  • Pilot bore design for secure shaft mounting
  • Manufactured by Medway - a trusted quality brand

Applications:

This sprocket is well-suited for:

  • Industrial machinery and equipment
  • Conveyor systems and material handling
  • Power transmission systems requiring high reliability
  • Heavy-duty applications demanding consistent performance

The triplex (three-strand) configuration provides excellent load distribution and durability for demanding industrial environments. This sprocket is fully compatible with standard 08B3 triplex roller chains, ensuring seamless integration into your existing systems.

For assistance in selecting the correct sprocket for your specific application or to discuss custom bore sizes, please contact our technical team.


  • 08B3 Roller Chain To Suit