Transmissions
Chain Sprockets
Pilot Bore Sprockets
3/4inch Pitch (12B1, 12B2, 12B3) Pilot Bore Sprockets
12B2 - 3/4inch Duplex Chain Sprocket
Quick Code: BB-20653
6DR31 Pilot Bore Chain Sprocket 12B2
Also Try
12B1 - 3/4inch Simplex Chain Sprockets
12B3 - 3/4inch Triplex Chain Sprockets
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Product Specification
Boss Dia
120mm
Number of Teeth
31
Outside Dia
196.3mm
Overall Length
50mm
Pilot Bore Size
20mm
Pitch
3/4inch
Reference
6DR31
Brand
Medway
Quick Order Code
BB-20653
Product Description
12B2 British Standard Roller Chain Sprocket – 31 Tooth Duplex Pilot Bore
The 6DR31 is a premium duplex chain sprocket engineered for demanding industrial power transmission applications. Manufactured to British Standard specifications by Medway, this sprocket delivers superior load capacity compared to simplex alternatives, making it ideal for heavy-duty operations requiring reliable performance.
Key Specifications:
- 3/4 inch (12B2) pitch duplex chain compatibility
- 31 teeth configuration
- Outside diameter: 196.3mm
- Boss diameter: 120mm
- Pilot bore size: 20mm (easily machined to your specific shaft size and keyway requirements)
- Overall length: 50mm
- Manufactured by Medway to British Standard specifications
Product Features:
- Pilot bore design allows easy customization to match your exact shaft specifications
- Constructed to exacting British Standard specifications for full compatibility with standard 12B2 duplex roller chains
- Heavy-duty construction suitable for maximum load transmission
- Robust boss diameter for secure mounting and enhanced durability
Typical Applications:
- Conveyor systems
- Agricultural machinery
- Manufacturing equipment
- Material handling systems
- Industrial power transmission requiring precise speed ratios
With its pilot bore design, the 6DR31 provides reliable, heavy-duty performance in demanding industrial applications. For technical assistance or to confirm this sprocket is suitable for your specific application requirements, please contact our technical team.
