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Chain Sprockets
Pilot Bore Sprockets
1.1/4inch Pitch (20B1) Simplex Chain sprockets
Quick Code: BB-20360
20B1-09 Simplex Pilot Bore Sprocket
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Product Specification
Boss Dia
63mm
Number of Teeth
9
Outside Dia
108mm
Overall Length
40mm
Pilot Bore Size
20mm
Pitch
1.1/4inch
Brand
Medway
Quick Order Code
BB-20360
Product Description
The 20B1-09 Simplex Pilot Bore Sprocket is a compact British standard roller chain sprocket designed for power transmission applications requiring smaller diameter components.
Key Specifications:
- 20B1 British standard roller chain sprocket
- 1.1/4 inch (31.75mm) pitch
- 9 teeth
- Outside diameter: 108mm
- Boss diameter: 63mm
- Pilot bore size: 20mm
- Overall length: 40mm
Features & Benefits:
- Pilot bore design allows for precise machining to your exact shaft requirements
- Manufactured to exacting British standards
- Engineered for use with 20B1 simplex roller chains
- Compact size ideal for space-constrained applications
Applications:
This small-tooth sprocket is particularly suitable for high-speed drive systems, conveyor equipment, agricultural machinery, and other industrial power transmission applications where compact dimensions and efficient power transfer are essential.
Supplied by Medway – a trusted name in power transmission components. Stocked in our UK warehouse for fast delivery. Contact our technical team if you need assistance selecting the correct sprocket for your application.



