Transmissions
Chain Sprockets
Pilot Bore Sprockets
5/8inch Pitch (10B1, 10B2, 10B3) Pilot Bore Sprockets
10B2 - 5/8inch Duplex Chain Sprockets
Quick Code: BB-20597
5DR12 Pilot Bore Chain Sprocket 10B2
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Product Specification
Boss Dia
44mm
Number of Teeth
12
Outside Dia
68mm
Overall Length
40mm
Pilot Bore Size
14mm
Pitch
5/8inch
Reference
5DR12
Brand
Medway
Quick Order Code
BB-20597
Product Description
10B2 British Standard Roller Chain Sprocket
The 5DR12 is a compact pilot bore sprocket designed for use with 10B2 duplex (double row) roller chains. This 12-tooth sprocket is ideal for applications requiring higher speed ratios and is particularly suited to space-restricted installations where a smaller diameter sprocket is essential.
Key Specifications:
- 5/8 inch (15.875mm) pitch – British standard 10B2 compatible
- 12 teeth – compact, high-speed configuration
- Outside diameter: 68mm
- Boss diameter: 44mm
- Pilot bore size: 14mm
- Overall length: 40mm
Typical Applications:
The 5DR12 is commonly used in:
- High-speed industrial machinery and conveyors
- Compact mechanical drive systems with limited radial space
- Power transmission applications requiring increased speed reduction
- Equipment where a small diameter pinion is critical to system design
Manufactured to exacting standards for reliable, long-lasting performance, this Medway sprocket is stocked in our UK warehouse and ready for immediate delivery. Our technical team is available to assist with sprocket selection for your specific application requirements.



