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Product Specification
Boss Dia (mm)
120
Bush Type
2517
Length Inc Boss (mm)
50
No of Teeth
25
Pcd (mm)
152
Brand
Medway
Quick Order Code
BB-7699
Product Description

Premium taperlock type roller chain sprocket designed for 12B2 duplex chain systems. This 25-tooth sprocket delivers reliable power transmission performance across a wide range of industrial applications.

Key Specifications:

  • 3/4 inch pitch duplex chain compatibility
  • 25 teeth for optimal speed and torque characteristics
  • Taperlock bush type: 2517
  • Boss diameter: 120 mm
  • Pitch circle diameter (PCD): 152 mm
  • Overall length including boss: 50 mm

Features & Benefits:

  • Taperlock Bush System: Enables quick and secure shaft mounting without the need for keyways, simplifying installation and reducing downtime
  • Precision Manufactured: Built to exacting specifications for consistent performance and longevity
  • Fully Compatible: Works seamlessly with 12B2 duplex roller chain systems
  • Trusted Quality: Manufactured by Medway, a established name in power transmission components

Ideal Applications:

This sprocket is well-suited for conveyor systems, agricultural machinery, packaging equipment, and general industrial drive applications where reliable mid-range gear ratio is required.

Available for prompt dispatch from our UK warehouse. Contact our technical team if you need assistance selecting the correct sprocket specification for your application.


  • 12B2 Roller Chain to Suit
  • 2517 Taperlock Bushes to Suit