Transmissions
Chain Sprockets
Pilot Bore Sprockets
1/2inch Pitch (08B1, 08B2, 08B3) Pilot Bore Sprockets
08B2 - 1/2inch Duplex Chain Sprockets
Quick Code: BB-20563
4DR18 Pilot Bore Chain Sprocket 08B2
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Product Specification
Boss Dia
58mm
Number of Teeth
18
Outside Dia
77.8mm
Overall Length
35mm
Pilot Bore Size
14mm
Pitch
1/2inch
Reference
4DR18
Brand
Medway
Quick Order Code
BB-20563
Product Description
The 4DR18 Pilot Bore Chain Sprocket 08B2 is a high-quality duplex chain sprocket designed for reliable power transmission in demanding industrial applications.
Key Specifications
- 08B2 British standard roller chain sprocket
- 1/2 inch pitch x 18 teeth
- Outside diameter: 77.8mm
- Boss diameter: 58mm
- Pilot bore size: 14mm
- Overall length: 35mm
Product Features
- Duplex design with two rows of teeth for increased load capacity and enhanced power transmission
- Pilot bore configuration allows for precise shaft fitting and secure installation
- Manufactured to British standard specifications for compatibility with 1/2 inch pitch roller chains
- Premium quality from trusted manufacturer Medway
Ideal Applications
This sprocket is well-suited for use in:
- Conveyor systems
- Agricultural machinery
- Manufacturing equipment
- Heavy-duty industrial drive systems
Part of our comprehensive range of 08B2 pilot bore sprockets stocked from our UK warehouse. For assistance in selecting the correct sprocket for your specific application or technical support, please contact our expert team.



