Transmissions
Chain Sprockets
Pilot Bore Sprockets
1.1/4inch Pitch (20B1) Simplex Chain sprockets
Quick Code: BB-20379
20B1-25 Simplex Pilot Bore Sprocket
20B1-25 Simplex Pilot Bore Sprocket
A precision-engineered British standard roller chain sprocket designed for reliable power transmission in industrial machinery and equipment. This 20B1 simplex sprocket features a pilot bore that allows for precise machining to your exact shaft requirements, making it an ideal replacement component for conveyor systems, agricultural machinery, and other industrial applications.
- 20B1 British standard roller chain sprocket
- 1.1/4 inch pitch with 25 teeth
- Outside diameter: 268.5mm
- Boss diameter: 140mm
- Pilot bore size: 25mm
- Overall length: 55mm
- Manufactured to exacting standards by Medway
This sprocket is engineered to work seamlessly with 20B1 simplex roller chains and is part of our comprehensive range of pilot bore sprockets stocked in our UK warehouse for fast delivery. Whether you are upgrading worn components or designing new power transmission systems, this 25-tooth sprocket offers the durability and precision required for demanding industrial applications.
For assistance in selecting the correct sprocket for your specific application, our technical team is available to provide expert guidance.



