Transmissions
Chain Sprockets
Pilot Bore Sprockets
1.1/4inch Pitch (20B1) Simplex Chain sprockets
Quick Code: BB-20399
20B1-45 Simplex Pilot Bore Sprocket
The 20B1-45 Simplex Pilot Bore Sprocket is a precision-engineered British standard roller chain sprocket designed for reliable power transmission in industrial machinery and equipment.
Key Specifications:
- 20B1 British standard roller chain sprocket
- 1.1/4 inch pitch with 45 teeth
- Outside diameter: 470.3mm
- Boss diameter: 150mm
- Pilot bore size: 25mm
- Overall length: 70mm
Features:
- Pilot bore design allows for precise machining to your exact shaft requirements
- Manufactured to exacting British standards for optimal performance and durability
- Compatible with 20B1 simplex roller chains
- Supplied by Medway, a trusted name in power transmission components
Applications:
This 45-tooth sprocket is ideal for use in conveyor systems, agricultural machinery, industrial equipment, and other power transmission applications requiring reliable chain drive solutions. The mid-to-high tooth count makes it particularly suitable for applications requiring specific gear ratios and reduced speed operation. Whether you are replacing worn sprockets or building new systems, this sprocket offers the precision and durability needed for demanding industrial environments.
Stocked in our UK warehouse for fast delivery. If you need assistance selecting the correct sprocket for your application, please contact our technical team.



