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Chain Sprockets
Pilot Bore Sprockets
1.1/4inch Pitch (20B1) Simplex Chain sprockets
Quick Code: BB-20395
20B1-36 Simplex Pilot Bore Sprocket
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Product Specification
Boss Dia
150mm
Number of Teeth
36
Outside Dia
379.5mm
Overall Length
55mm
Pilot Bore Size
25mm
Pitch
1.1/4inch
Reference
10SR36
Brand
Medway
Quick Order Code
BB-20395
Product Description
20B1-36 Simplex Pilot Bore Sprocket
A versatile 36-tooth sprocket from our comprehensive range of British standard roller chain sprockets. This 20B1 sprocket is engineered for balanced power transmission applications requiring moderate gear ratios and reliable performance across a wide range of industrial machinery.
Key Specifications:
- 20B1 British standard roller chain sprocket
- 1.1/4 inch pitch x 36 teeth
- Outside diameter: 379.5mm
- Boss diameter: 150mm
- Pilot bore size: 25mm
- Overall length: 55mm
- Brand: Medway
- Reference: 10SR36
Features & Benefits:
- Pilot bore design allows precise machining to your exact shaft requirements
- Manufactured to exacting British standards for reliable performance
- Compatible with 20B1 simplex roller chains
- Robust construction suitable for demanding industrial applications
- Ideal for general-purpose power transmission with balanced speed and torque characteristics
- 25mm pilot bore accommodates larger shaft diameters for increased load capacity
Typical Applications:
- Conveyor systems and material handling equipment
- Agricultural machinery
- Industrial power transmission systems
- Manufacturing and production line machinery
- General industrial drive systems
Stock held in our UK warehouse for fast delivery. Contact our technical team for assistance in selecting the correct sprocket for your specific application.



