Transmissions
Chain Sprockets
Pilot Bore Sprockets
5/8inch Pitch (10B1, 10B2, 10B3) Pilot Bore Sprockets
10B2 - 5/8inch Duplex Chain Sprockets
Quick Code: BB-20611
5DR26 Pilot Bore Chain Sprocket 10B2
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Product Specification
Boss Dia
110mm
Number of Teeth
26
Outside Dia
139mm
Overall Length
45mm
Pilot Bore Size
20mm
Pitch
5/8inch
Reference
5DR26
Brand
Medway
Quick Order Code
BB-20611
Product Description
10B2 British Standard Roller Chain Sprocket
The 5DR26 is a pilot bore chain sprocket designed for use with 10B2 duplex (double row) roller chains. This sprocket is ideal for industrial power transmission applications requiring reliable, high-load performance in machinery, conveyors, and mechanical drive systems.
Key Specifications:
- 5/8 inch (15.875mm) pitch
- 26 teeth
- Outside diameter: 139mm
- Boss diameter: 110mm
- Overall length: 45mm
- Pilot bore size: 20mm
Features & Benefits:
- Duplex configuration for higher load and torque requirements
- Pilot bore design for precise shaft alignment and customisation
- Manufactured to exacting standards for reliable, long-lasting performance
- Engineered to British standard 10B2 specifications
- Suitable for space-restricted applications requiring moderate speed reduction
The 5DR26 is part of Medway's comprehensive range of 10B2 pilot bore sprockets, available from our UK warehouse. Our technical team is available to assist you in selecting the correct sprocket configuration for your specific application requirements.



