Transmissions
Chain Sprockets
Pilot Bore Sprockets
1inch Pitch (16B1, 16B2, 16B3) Pilot Bore Sprockets
16B2 - 1inch Duplex Chain Sprocket
Quick Code: BB-20703
8DR33 Pilot Bore Chain Sprocket 16B2
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Product Specification
Boss Dia
140mm
Number of Teeth
33
Outside Dia
278.5mm
Overall Length
70mm
Pilot Bore Size
25mm
Pitch
1inch
Reference
8DR33
Brand
Medway
Quick Order Code
BB-20703
Product Description
16B2 British Standard Duplex Roller Chain Sprocket
The 8DR33 is a precision-engineered pilot bore chain sprocket designed for reliable power transmission in industrial applications. This sprocket features a 1 inch pitch and 33 teeth configuration, making it suitable for machinery requiring moderate speed reduction and efficient chain drive systems.
Key Specifications:
- Pitch: 1 inch (16B2 British Standard)
- Number of Teeth: 33
- Boss Diameter: 140mm
- Outside Diameter: 278.5mm
- Overall Length: 70mm
- Pilot Bore Size: 25mm
- Bore Type: Pilot Bore
- Brand: Medway
Applications:
This sprocket is ideal for a wide range of industrial power transmission applications including conveyor systems, agricultural machinery, packaging equipment, material handling systems, and general mechanical drives where reliable speed and torque transfer is required.
Benefits:
- Manufactured to British Standard specifications for reliability and compatibility
- Duplex chain compatible for smooth and efficient operation
- 33-tooth design provides balanced speed reduction and torque characteristics
- Precision-engineered pilot bore (25mm) for secure and accurate mounting
- Robust construction suitable for demanding industrial environments



