Transmissions
Chain Sprockets
Pilot Bore Sprockets
1inch Pitch (16B1, 16B2, 16B3) Pilot Bore Sprockets
16B2 - 1inch Duplex Chain Sprocket
Quick Code: BB-20695
8DR25 Pilot Bore Chain Sprocket 16B2
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Product Specification
Boss Dia
130mm
Number of Teeth
25
Outside Dia
213.5mm
Overall Length
70mm
Pilot Bore Size
25mm
Pitch
1inch
Reference
8DR25
Brand
Medway
Quick Order Code
BB-20695
Product Description
16B2 British Standard Duplex Roller Chain Sprocket
The 8DR25 is a pilot bore chain sprocket designed for reliable power transmission in industrial applications. This 25-tooth sprocket features a 1 inch pitch and is manufactured to British Standard specifications, making it ideal for machinery requiring consistent rotational force distribution.
Key Specifications:
- 1 inch pitch x 25 teeth
- Pilot bore size: 25mm
- Boss diameter: 130mm
- Outside diameter: 213.5mm
- Overall length: 70mm
- British Standard 16B2 Duplex chain compatible
- Brand: Medway
Applications:
This sprocket is suitable for use in conveyor systems, material handling equipment, agricultural machinery, and general power transmission applications where duplex roller chain is specified. The 25-tooth configuration provides optimal speed ratios for mid-range torque applications.
Benefits:
- Precision engineered for smooth operation
- Pilot bore design ensures accurate shaft alignment
- Durable construction for extended service life
- Part of Medway's comprehensive 16B2 sprocket range (8 to 95 teeth available)



