Transmissions
Chain Sprockets
Pilot Bore Sprockets
1.1/4inch Pitch (20B1) Simplex Chain sprockets
Quick Code: BB-20359
20B1-08 Simplex Pilot Bore Sprocket
The 20B1-08 Simplex Pilot Bore Sprocket is a precision-engineered British standard roller chain sprocket, manufactured by Medway, a trusted leader in power transmission components.
Key Specifications:
- 20B1 British standard roller chain sprocket
- 1.1/4 inch pitch with 8 teeth
- Outside diameter: 98.1mm
- Boss diameter: 53mm
- Pilot bore size: 20mm
- Overall length: 40mm
Features & Benefits:
This compact 8-tooth sprocket features a pilot bore design that allows for precise machining to your exact shaft requirements, making it ideal for applications requiring a smaller, high-speed sprocket. As the smallest in our comprehensive 20B1 range, it delivers the fastest chain speeds and is suitable for:
- High-speed power transmission systems
- Conveyor systems
- Industrial machinery and equipment
- Agricultural applications
- Equipment retrofit and replacement projects
Manufactured to exacting British standards and stocked in our UK warehouse, the 20B1-08 ensures reliable performance and fast delivery for your power transmission needs. Should you require technical assistance in selecting the correct sprocket for your application, our experienced team is here to help.



