Transmissions
Chain Sprockets
Pilot Bore Sprockets
1.1/4inch Pitch (20B1) Simplex Chain sprockets
Quick Code: BB-20396
20B1-37 Simplex Pilot Bore Sprocket
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Product Specification
Boss Dia
150mm
Number of Teeth
37
Outside Dia
389.5mm
Overall Length
55mm
Pilot Bore Size
25mm
Pitch
1.1/4inch
Brand
Medway
Quick Order Code
BB-20396
Product Description
The 20B1-37 Simplex Pilot Bore Sprocket is a medium-capacity British standard roller chain sprocket designed for reliable power transmission in a wide range of industrial applications.
Key Specifications:
- 20B1 British standard roller chain sprocket
- 1.1/4 inch (31.75mm) pitch
- 37 teeth
- Outside diameter: 389.5mm
- Boss diameter: 150mm
- Pilot bore size: 25mm
- Overall length: 55mm
- Brand: Medway
Features & Benefits:
- Pilot bore design allows for precise machining to your exact shaft requirements
- Manufactured to exacting British standards for dependable performance
- Engineered for use with 20B1 simplex roller chains
- 25mm pilot bore suitable for larger diameter shaft applications
- Robust construction ideal for medium-speed power transmission systems
- Larger tooth count provides smoother operation and reduced noise
Typical Applications:
- Conveyor systems and material handling equipment
- Agricultural machinery and equipment
- Industrial power transmission systems
- Machinery requiring reliable mid-range speed and torque capabilities
- Heavy-duty industrial applications
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.



