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Roller Chains
British Standard
Duplex (Double Row)
Duplex Chains
Quick Code: BB-371454
20B2 1.1/4inch Pitch Roller Chain Per Meter (Dunlop)
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Product Specification
Brand
Dunlop
Inner Width
19.56mm
Length
Per Meter
Pitch
31.75mm = 1.1/4inch
Roller Dia
19.05mm
Reference
20B-2 DUN-1M
Quick Order Code
BB-371454
Product Description
The 20B2 1.1/4inch Pitch Roller Chain Per Meter from Dunlop is a professional-grade duplex (double row) roller chain manufactured to internationally recognised standards ISO/R 606-1982 (DIN 8187). This chain is ideal for applications requiring reliable power transmission with enhanced load capacity.
Key Specifications:
- 114106 Duplex roller chain
- Dunlop British Standard 1.1/4inch pitch
- Pitch: 31.75mm
- Roller Diameter: 19.05mm
- Inner Width: 19.56mm
- Supplied per meter - cut to your required length
Applications:
This duplex chain configuration is suited for a variety of industrial and mechanical applications including:
- Power transmission systems requiring increased load-bearing capacity
- Conveyor systems and material handling equipment
- Agricultural and construction machinery
- General industrial drive systems
- Heavy duty equipment requiring synchronised dual-row drive mechanisms
The duplex design provides greater strength and stability compared to simplex chains, making it an excellent choice for demanding applications requiring reliable performance and durability.


