Transmissions
Chain Sprockets
Pilot Bore Sprockets
3/8inch Pitch (06B1, 06B2, 06B3) Pilot Bore Sprocket
06B2 - 3/8inch Duplex Chain Sprocket
Quick Code: BB-20530
3DR21 Pilot Bore Chain Sprocket 06B2
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Product Specification
Boss Dia
52mm
Number of Teeth
21
Outside Dia
68mm
Overall Length
30mm
Pilot Bore Size
12mm
Pitch
3/8inch
Reference
3DR21
Brand
Medway
Quick Order Code
BB-20530
Product Description
06B2-21 Duplex Chain Sprocket
The 3DR21 is a high-quality pilot bore chain sprocket designed for reliable power transmission in industrial applications. This sprocket is engineered to work seamlessly with British standard 06B2 duplex roller chains, making it an ideal choice for machinery requiring precise speed and torque control.
Key Specifications:
- 06B2 British standard roller chain sprocket
- 3/8 inch pitch x 21 teeth
- Pilot bore size: 12mm
- Outside diameter: 68mm
- Boss diameter: 52mm
- Overall length: 30mm
Features & Benefits:
- Pilot Bore Design: Allows for easy machining to accommodate your specific shaft requirements, providing flexibility for custom installations
- Versatile Application: Suitable for conveyors, industrial machinery, and various chain-driven equipment
- Manufactured by Medway to ensure consistent quality and durability
- Compatible with the extensive 06B2 duplex chain system range
Whether you're upgrading existing equipment or designing new machinery, the 3DR21 pilot bore sprocket offers the reliability and precision needed for effective chain drive systems. For technical support or assistance in selecting the right sprocket for your application, our team is available to help.



