Transmissions
Chain Sprockets
Pilot Bore Sprockets
1inch Pitch (16B1, 16B2, 16B3) Pilot Bore Sprockets
16B2 - 1inch Duplex Chain Sprocket
Quick Code: BB-20712
8DR57 Pilot Bore Chain Sprocket 16B2
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Product Specification
Boss Dia
160mm
Number of Teeth
57
Outside Dia
474mm
Overall Length
84mm
Pitch
1inch
Reference
8DR57
Brand
Medway
Quick Order Code
BB-20712
Product Description
16B2 British Standard Duplex Roller Chain Sprocket
The 8DR57 is a high-capacity pilot bore chain sprocket designed for demanding power transmission applications. Featuring a 57-tooth configuration with 1-inch pitch, this sprocket delivers precise speed control and reliable torque transmission in industrial machinery and mechanical drive systems.
Key Specifications:
- Chain Pitch: 1 inch (16B2 British Standard Duplex)
- Number of Teeth: 57
- Outside Diameter: 474mm
- Boss Diameter: 160mm
- Overall Length: 84mm
- Bore Type: Pilot Bore
- Brand: Medway
- Reference: 8DR57
Applications:
This large-tooth sprocket is ideal for applications requiring lower speed ratios with higher torque output. Commonly used in:
- Heavy-duty conveyor systems
- Industrial machinery and equipment
- Agricultural machinery
- Packaging and processing equipment
- General industrial drive systems requiring precise speed control
Benefits:
- Manufactured to British Standard specifications for reliability and compatibility
- 57-tooth design provides smooth operation with lower speed ratios and enhanced torque capacity
- Duplex chain compatible for consistent performance in demanding environments
- Precision-engineered pilot bore for secure and accurate mounting
- Part of Medway's comprehensive 16B2 range with over 37 options (8-95 teeth) for flexible application solutions



