Transmissions
Chain Sprockets
Pilot Bore Sprockets
3/4inch Pitch (12B1, 12B2, 12B3) Pilot Bore Sprockets
12B2 - 3/4inch Duplex Chain Sprocket
Quick Code: BB-20661
6DR39 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
39
Outside Dia
245.1mm
Overall Length
50mm
Pilot Bore Size
25mm
Pitch
3/4inch
Reference
6DR39
Brand
Medway
Quick Order Code
BB-20661
Product Description
The 6DR39 Pilot Bore Chain Sprocket 12B2 is a premium British standard duplex roller chain sprocket manufactured by Medway, engineered for heavy-duty power transmission applications requiring superior load capacity. With 39 teeth and a 3/4 inch pitch, this sprocket delivers excellent performance in demanding industrial environments where reliable torque transmission and durability are essential.
Key Specifications:
- Pitch: 3/4 inch (12B2 standard)
- Number of Teeth: 39
- Outside Diameter: 245.1mm
- Boss Diameter: 120mm
- Overall Length: 50mm
- Pilot Bore Size: 25mm
- Type: Duplex (double row)
- Manufacturer: Medway
- Reference: 6DR39
Features & Benefits:
- Pilot Bore Design: The 25mm pilot bore can be easily machined to your specific shaft size and keyway configuration, providing versatility for custom installations
- British Standard Compliance: Fully compatible with all standard 12B2 duplex roller chains
- High Load Capacity: Duplex construction delivers greater power transmission capacity compared to simplex alternatives, ideal for demanding applications
- Heavy-Duty Construction: Built for reliable performance and longevity in industrial power transmission systems
Typical Applications:
- Conveyor systems
- Agricultural machinery
- Industrial power transmission
- Manufacturing equipment
- Material handling systems
The 6DR39 is particularly well-suited for applications requiring moderate to high torque transmission with stable speed ratios. Its larger tooth count and robust construction make it an excellent choice for heavy-duty industrial operations.
For assistance selecting the correct sprocket for your specific application, please contact our technical team.
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