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Product Specification
Boss Dia
120mm
Number of Teeth
38
Outside Dia
199.2mm
Overall Length
60mm
Pitch
5/8inch
Reference
5TR38
Brand
Medway
Quick Order Code
BB-20839
Product Description

10B3 - British Standard Pilot Bore Roller Chain Sprocket

The 5TR38 pilot bore chain sprocket is a precision-engineered component designed for reliable power transmission in industrial machinery and mechanical systems. Built to British standard specifications, this sprocket features a 5/8 inch pitch and is ideal for drive applications requiring larger tooth counts for speed reduction and increased torque delivery.

Key Specifications:

  • 5/8 inch pitch x 38 teeth
  • Boss Diameter: 120mm
  • Outside Diameter: 199.2mm
  • Overall Length: 60mm
  • Pilot bore design for secure shaft mounting

Typical Applications:

  • Speed reduction applications in chain drive systems
  • Conveyor systems and material handling equipment
  • Agricultural machinery
  • Industrial automation and control systems
  • Heavy-duty drive mechanisms requiring increased torque

Manufactured by Medway, this sprocket delivers consistent performance and durability in demanding operational environments. The pilot bore design ensures accurate concentricity and reliable engagement with standard 10B3 roller chain, making it an essential component for efficient power transmission across a wide range of industrial applications.


  • 10B3 Roller Chain To Suit