Transmissions
Chain Sprockets
Pilot Bore Sprockets
1/2inch Pitch (08B1, 08B2, 08B3) Pilot Bore Sprockets
08B2 - 1/2inch Duplex Chain Sprockets
Quick Code: BB-20516
4DR08 Pilot Bore Chain Sprocket 08B2
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Product Specification
Boss Dia
20mm
Number of Teeth
8
Outside Dia
37.2mm
Overall Length
32mm
Pilot Bore Size
10mm
Pitch
1/2inch
Reference
4DR08
Brand
Medway
Quick Order Code
BB-20516
Product Description
The 4DR08 Pilot Bore Chain Sprocket 08B2 is a compact duplex chain sprocket manufactured by Medway, engineered for precision power transmission in light to medium-duty applications.
Key Specifications:
- 08B2 British standard roller chain sprocket
- 1/2 inch pitch with 8 teeth
- Pilot bore size: 10mm for secure shaft fitting
- Outside diameter: 37.2mm
- Boss diameter: 20mm
- Overall length: 32mm
Product Benefits:
- Compact Design: With only 8 teeth and an outside diameter of just 37.2mm, this sprocket is ideal for space-constrained applications requiring high-speed chain drive systems
- Duplex Construction: The two rows of teeth provide enhanced load capacity and reliability compared to simplex alternatives
- Quality Manufacturing: Produced by trusted manufacturer Medway and stocked from our UK warehouse for rapid dispatch
- Versatile Application: Suitable for conveyor systems, agricultural machinery, manufacturing equipment, and other industrial power transmission needs
The 10mm pilot bore allows for custom shaft fitting to suit your specific requirements. For assistance in selecting the correct sprocket for your application or to discuss technical specifications, our expert team is available to help.



