Transmissions
Roller Chains
British Standard
Duplex (Double Row)
Duplex Chains
Quick Code: BB-353395
12B2 Roller Chain Per Meter (Donghua Chromised Pin)
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Product Specification
Brand
Donghua
Inner Width
11.7mm
Length/Type
Per Meter
Pitch
19.1mm = 3/4inch
Roller Dia
12.1mm
Reference
12B-2CP-1MTR-DONGHUA
Quick Order Code
BB-353395
Product Description
High-performance 12B2 Roller Chain with Chromised Pins from Donghua, engineered to deliver exceptional durability and extended service life in demanding applications. This duplex (double row) chain features advanced chromised pin technology that provides up to five times the wear life compared to standard roller chains.
Key Specifications:
- Duplex roller chain (12B-2)
- Donghua Chromised Pin (CP) design
- Pitch: 19.1mm (3/4 inch)
- Inner Width: 11.7mm
- Roller Diameter: 12.1mm
- Surface Hardness: 1100 HV10
- Supplied per meter - purchase exactly the length you need
Advanced Technology Benefits:
- Chromised pin surface coating creates super-hard pins for enhanced wear resistance
- Up to 5x longer wear life than standard roller chain
- Split bush design optimises performance and durability
- Ideal for high-wear and demanding industrial environments
- Trusted Donghua quality and reliability
Applications:
This robust duplex chain is particularly suited for demanding power transmission applications where extended chain life and minimal maintenance are critical, including:
- High-wear industrial machinery
- Conveyor systems operating in harsh conditions
- Heavy-duty manufacturing equipment
- Applications requiring reduced downtime and maintenance costs
- Industrial environments where chain replacement frequency needs to be minimised


