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Product Specification
Boss Dia
150mm
Number of Teeth
57
Outside Dia
591.5mm
Overall Length
80mm
Pitch
1.1/4inch
Brand
Medway
Quick Order Code
BB-20400
Product Description

20B1-57 Simplex Pilot Bore Sprocket

A precision-engineered British standard roller chain sprocket designed for heavy-duty power transmission applications in industrial machinery and equipment. This larger capacity sprocket is part of our comprehensive range of 20B1 simplex chain sprockets and is ideal for applications requiring reliable torque transfer and consistent performance in demanding environments.

Key Specifications:

  • 20B1 British standard roller chain sprocket
  • 1.1/4 inch pitch with 57 teeth
  • Outside diameter: 591.5mm
  • Boss diameter: 150mm
  • Overall length: 80mm
  • Brand: Medway

Features & Benefits:

  • Large tooth count provides smooth chain engagement and reduced noise operation
  • Precision pilot bore design allows for exact machining to your specific shaft requirements
  • Manufactured to exacting British standards for durability and reliability
  • Compatible with 20B1 simplex roller chains
  • Robust construction suitable for high-load industrial applications

Typical Applications:

  • Heavy-duty conveyor systems
  • Agricultural machinery
  • Industrial power transmission systems
  • Equipment requiring high torque transfer
  • Packaging and material handling equipment

Supplied by Medway, a trusted name in power transmission components, with stock held in our UK warehouse for fast delivery. For assistance in selecting the correct sprocket for your specific application, please contact our technical team.