Transmissions
Chain Sprockets
Pilot Bore Sprockets
1.1/4inch Pitch (20B1) Simplex Chain sprockets
Quick Code: BB-20362
20B1-11 Simplex Pilot Bore Sprocket
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Product Specification
Boss Dia
77mm
Number of Teeth
11
Outside Dia
127.8mm
Overall Length
45mm
Pilot Bore Size
20mm
Pitch
1.1/4inch
Brand
Medway
Quick Order Code
BB-20362
Product Description
The 20B1-11 Simplex Pilot Bore Sprocket is a precision-engineered British standard roller chain sprocket designed for reliable power transmission in industrial applications.
Key Specifications:
- 20B1 British standard roller chain sprocket
- 1.1/4 inch pitch x 11 teeth
- Outside diameter: 127.8mm
- Boss diameter: 77mm
- Pilot bore size: 20mm
- Overall length: 45mm
Product Features:
- Pilot bore design allows for precise machining to your exact shaft requirements
- Manufactured to exacting British standards for consistent performance
- Compatible with 20B1 simplex roller chains
- Ideal for compact applications requiring smaller tooth counts
- Supplied by Medway, a trusted name in power transmission components
Applications:
This 11-tooth sprocket is particularly suitable for:
- Conveyor systems requiring high-speed drive ratios
- Agricultural machinery
- Industrial equipment and machinery
- Power transmission systems requiring compact sprocket configurations
Stocked in our UK warehouse for fast delivery. For assistance in selecting the correct sprocket for your specific application, please contact our technical team.



