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Product Specification
Boss Dia
90mm
Number of Teeth
38
Outside Dia
158.6mm
Overall Length
35mm
Pilot Bore Size
16mm
Pitch
1/2inch
Reference
4SR38
Brand
Medway
Quick Order Code
BB-20237
Product Description

4SR38 Pilot Bore Sprocket 08B1 – 38 Tooth Simplex Chain Sprocket

The 4SR38 Pilot Bore Sprocket 08B1 is a premium British standard roller chain sprocket manufactured by Medway, engineered for reliable power transmission in heavy-duty industrial and mechanical applications. With its 38-tooth configuration, this sprocket is ideal for low-speed, high-torque drive systems.

Key Specifications:

  • 08B1 British standard roller chain sprocket
  • 1/2 inch pitch x 38 teeth
  • Boss diameter: 90mm
  • Outside diameter: 158.6mm
  • Overall length: 35mm
  • Pilot bore size: 16mm
  • Brand: Medway

Product Benefits:

  • Manufactured to British standards for consistent performance and reliability
  • Large 38-tooth configuration provides optimal torque multiplication for demanding applications
  • Robust construction with 90mm boss diameter ensures secure mounting and stability
  • 16mm pilot bore accommodates larger shafts for heavy-duty operations
  • Durable design suitable for continuous industrial operation
  • Compatible with all 08B1 simplex roller chains

Typical Applications:

This sprocket is ideal for use in heavy-duty conveyor systems, industrial machinery drives, agricultural equipment, mining applications, and general industrial power transmission where high torque and reliable chain drive performance are essential.


  • 08B1 Roller Chain To Suit