Transmissions
Chain Sprockets
Pilot Bore Sprockets
3/4inch Pitch (12B1, 12B2, 12B3) Pilot Bore Sprockets
12B1 - 3/4inch Simplex Chain Sprockets
Quick Code: BB-20288
6SR15 Pilot Bore Sprocket 12B1
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Product Specification
Boss Dia
70mm
Number of Teeth
15
Outside Dia
99.8mm
Overall Length
35mm
Pilot Bore Size
14mm
Pitch
3/4inch
Reference
6SR15
Brand
Medway
Quick Order Code
BB-20288
Product Description
12B1 British Standard Pilot Bore Sprocket
The 6SR15 is a precision-engineered pilot bore sprocket designed for use with 12B1 simplex roller chains. This sprocket features a pilot bore that allows for custom machining to your exact shaft requirements, making it an ideal solution for a wide range of industrial power transmission applications.
Specifications:
- Pitch: 3/4 inch
- Number of Teeth: 15
- Boss Diameter: 70mm
- Outside Diameter: 99.8mm
- Overall Length: 35mm
- Pilot Bore Size: 14mm
- Manufacturer: Medway
Ideal Applications:
- Conveyor systems
- Agricultural equipment
- Packaging machinery
- General industrial power transmission
This compact 15-tooth sprocket is perfect for applications requiring higher speed ratios and is available for quick dispatch from our UK warehouse. For assistance in selecting the correct sprocket for your specific application, please contact our knowledgeable technical team.



