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Product Specification
Boss Dia
120mm
Number of Teeth
20
Outside Dia
218.1mm
Overall Length
50mm
Pilot Bore Size
25mm
Pitch
1.1/4inch
Reference
20B1-20
Brand
Medway
Quick Order Code
BB-20371
Product Description

The 20B1-20 Simplex Pilot Bore Sprocket is a precision-engineered power transmission component manufactured to British standard specifications. This sprocket is an ideal replacement or upgrade component for industrial machinery requiring reliable chain drive systems.

Key Specifications:

  • 20B1 British standard roller chain sprocket
  • 1.1/4 inch (31.75mm) pitch
  • 20 teeth
  • Outside diameter: 218.1mm
  • Boss diameter: 120mm
  • Pilot bore size: 25mm
  • Overall length: 50mm

Features & Benefits:

  • Pilot bore design allows for precise machining to your exact shaft requirements
  • Compatible with 20B1 simplex roller chains
  • Manufactured to exacting standards by Medway, a trusted name in power transmission
  • Suitable for use in conveyor systems, agricultural machinery, and general industrial applications

About This Product: This 20-tooth sprocket offers an excellent mid-range option within the comprehensive 20B1 simplex range. With its robust construction and precision engineering, it provides reliable performance in demanding industrial environments. Whether you're replacing worn sprockets or designing new drive systems, this sprocket delivers consistent power transmission efficiency.

Stocked in our UK warehouse for fast delivery. For technical assistance in selecting the correct sprocket for your specific application, please contact our technical team.


Product Reviews
Robert M starstarstarstarstar  03 May 22
Great product at a great price