Transmissions
Chain Sprockets
Pilot Bore Sprockets
1.3/4inch Pitch (28B1) Simplex Chain Sprocket
Quick Code: BB-20470
28B1-13 Pilot Bore Sprocket
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Product Specification
Boss Dia
125mm
Number of Teeth
13
Outside Dia
204.2mm
Overall Length
70mm
Pilot Bore Size
25mm
Pitch
1.3/4inch
Brand
Medway
Quick Order Code
BB-20470
Product Description
28B1-13 Simplex Chain Sprocket
This 28B1 pilot bore sprocket is a British standard roller chain sprocket designed for reliable power transmission in industrial applications. With 13 teeth and a 1.3/4 inch pitch, it offers precise speed and torque characteristics suitable for medium-duty machinery.
Key Specifications:
- 28B1 British standard roller chain sprocket
- 1.3/4 inch pitch x 13 teeth
- Outside diameter: 204.2mm
- Boss diameter: 125mm
- Pilot bore size: 25mm
- Overall length: 70mm
- Manufactured by Medway to exacting standards
Features:
- Pilot Bore Design: Allows for precise machining to your exact shaft requirements, making it ideal for custom installations and replacements
- Versatile Application: Suitable for conveyor systems, manufacturing equipment, and general industrial machinery
- Quality Construction: Built to deliver reliable performance in demanding industrial environments
Why Choose This Sprocket:
Whether you need a single replacement sprocket or multiple units for a new installation, this 28B1-13 component provides the durability and precision required for effective power transmission. Our UK-based warehouse stocks this quality component ready for quick dispatch, and our technical team is available to help you select the correct specification for your application.



