Transmissions
Chain Sprockets
Pilot Bore Sprockets
1.1/4inch Pitch (20B1) Simplex Chain sprockets
Quick Code: BB-20371
20B1-20 Simplex Pilot Bore Sprocket
The 20B1-20 Simplex Pilot Bore Sprocket is a precision-engineered power transmission component manufactured to British standard specifications. This sprocket is an ideal replacement or upgrade component for industrial machinery requiring reliable chain drive systems.
Key Specifications:
- 20B1 British standard roller chain sprocket
- 1.1/4 inch (31.75mm) pitch
- 20 teeth
- Outside diameter: 218.1mm
- Boss diameter: 120mm
- Pilot bore size: 25mm
- Overall length: 50mm
Features & Benefits:
- Pilot bore design allows for precise machining to your exact shaft requirements
- Compatible with 20B1 simplex roller chains
- Manufactured to exacting standards by Medway, a trusted name in power transmission
- Suitable for use in conveyor systems, agricultural machinery, and general industrial applications
About This Product: This 20-tooth sprocket offers an excellent mid-range option within the comprehensive 20B1 simplex range. With its robust construction and precision engineering, it provides reliable performance in demanding industrial environments. Whether you're replacing worn sprockets or designing new drive systems, this sprocket delivers consistent power transmission efficiency.
Stocked in our UK warehouse for fast delivery. For technical assistance in selecting the correct sprocket for your specific application, please contact our technical team.

Great product at a great price


