Transmissions
Chain Sprockets
Pilot Bore Sprockets
1.1/4inch Pitch (20B1) Simplex Chain sprockets
Quick Code: BB-20365
20B1-14 Simplex Pilot Bore Sprocket
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Product Specification
Boss Dia
108mm
Number of Teeth
14
Outside Dia
157.8mm
Overall Length
45mm
Pilot Bore Size
20mm
Pitch
1.1/4inch
Reference
10SR14
Brand
Medway
Quick Order Code
BB-20365
Product Description
20B1-14 Simplex Pilot Bore Sprocket
A compact 14-tooth sprocket from our comprehensive range of British standard roller chain sprockets. This 20B1 sprocket is engineered for power transmission applications requiring smaller gear ratios and higher speed operation.
Key Specifications:
- 20B1 British standard roller chain sprocket
- 1.1/4 inch pitch x 14 teeth
- Outside diameter: 157.8mm
- Boss diameter: 108mm
- Pilot bore size: 20mm
- Overall length: 45mm
- Brand: Medway
- Reference: 10SR14
Features & Benefits:
- Pilot bore design allows precise machining to your exact shaft requirements
- Manufactured to exacting British standards for reliable performance
- Ideal for high-speed applications and step-up ratios in industrial machinery
- Compatible with 20B1 simplex roller chains
- Compact size suitable for space-constrained installations
Typical Applications:
- Conveyor systems and material handling equipment
- Agricultural machinery
- Industrial power transmission systems
- Machinery requiring higher operational speeds
Stock held in our UK warehouse for fast delivery. Contact our technical team for assistance in selecting the correct sprocket for your specific application.



