Transmissions
Chain Sprockets
Pilot Bore Sprockets
5/8inch Pitch (10B1, 10B2, 10B3) Pilot Bore Sprockets
10B1 - 5/8inch Simplex Chain Sprocket
Quick Code: BB-20259
5SR23 Pilot Bore Sprocket 10B1
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Product Specification
Boss Dia
80mm
Outside Dia
123.5mm
Overall Length
30mm
Pilot Bore Size
16mm
Pitch
5/8inch
Teeth
23
Reference
5SR23
Brand
Medway
Quick Order Code
BB-20259
Product Description
The 5SR23 is a 10B1 British standard pilot bore sprocket, designed for reliable power transmission in industrial chain drive applications. This simplex chain sprocket features a 5/8 inch pitch and 23 teeth, making it ideal for medium-duty machinery and moderate speed applications.
Key Specifications:
- 5/8 inch pitch x 23 teeth
- Outside diameter: 123.5mm
- Boss diameter: 80mm
- Pilot bore size: 16mm
- Overall length: 30mm
- British standard 10B1 specification
Features & Benefits:
- Pilot bore design for easy machining to your specific shaft requirements
- Manufactured to exacting standards by Medway for reliable performance
- Suitable for conveyor systems, agricultural equipment, and general industrial machinery
- Durable construction for demanding operational environments
The 5SR23 is part of our comprehensive range of 10B1 simplex chain sprockets, offering 37 different tooth configurations to meet your specific power transmission needs. This mid-range tooth count provides an excellent balance between speed and torque for a wide variety of industrial applications.



