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Product Specification
Boss Dia
140mm
Number of Teeth
31
Outside Dia
262mm
Overall Length
70mm
Pilot Bore Size
25mm
Pitch
1inch
Reference
8DR31
Brand
Medway
Quick Order Code
BB-20701
Product Description

16B2 British Standard Duplex Roller Chain Sprocket

The 8DR31 is a pilot bore chain sprocket engineered for reliable power transmission in industrial applications. This 31-tooth sprocket is part of Medway's comprehensive range of 16B2 duplex chain sprockets and is designed to meet British Standard specifications for optimal performance.

Key Specifications:

  • Chain Pitch: 1 inch
  • Number of Teeth: 31
  • Pilot Bore Size: 25mm
  • Boss Diameter: 140mm
  • Outside Diameter: 262mm
  • Overall Length: 70mm
  • Brand: Medway

Applications:

This sprocket is suitable for a wide range of power transmission applications including:

  • Industrial conveyor systems
  • Machinery drive systems
  • Equipment requiring medium-speed power transmission
  • Agricultural machinery

The 31-tooth configuration provides an effective solution for applications requiring moderate speed ratios with improved torque transmission capabilities compared to smaller tooth counts. As part of Medway's extensive 16B2 duplex range, this sprocket can be paired with compatible chain and other sprockets to achieve your desired drive configuration.


  • 16B2 Roller Chain To Suit