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Product Specification
Boss Dia
120mm
Number of Teeth
30
Outside Dia
190.5mm
Overall Length
70mm
Pitch
3/4inch
Reference
6TR30
Brand
Medway
Quick Order Code
BB-20866
Product Description

12B3 British Standard Pilot Bore Roller Chain Sprocket

The 6TR30 is a precision-engineered 12B3 triplex chain sprocket designed for heavy-duty power transmission applications. This pilot bore sprocket features a 30-tooth configuration with 3/4 inch pitch, making it ideal for systems requiring moderate speed reduction with excellent torque transfer and load capacity.

Specification Details:

  • Pitch: 3/4 inch
  • Number of Teeth: 30
  • Boss Diameter: 120mm
  • Outside Diameter: 190.5mm
  • Overall Length: 70mm
  • Brand: Medway

Key Features:

  • British standard 12B3 triplex (three-row) configuration for enhanced load capacity and durability
  • Pilot bore design allows for custom machining to fit your exact shaft dimensions
  • Manufactured to exacting standards for smooth, efficient power transfer
  • Engineered for reliable performance in demanding industrial environments

Ideal Applications:

Perfect for industrial machinery, conveyor systems, and equipment where reliable power transmission and heavy-duty performance are essential. The 30-tooth configuration provides an excellent balance between speed and torque, making it suitable for mid to high-range drive systems requiring consistent, dependable operation.

Our UK-based warehouse stocks this sprocket ready for quick dispatch. For assistance in selecting the correct sprocket for your chain drive system, please contact our technical team.


  • 12B3 Roller Chain To Suit