Renold 12B‑2 Duplex Roller Chain - 3/4″ (19.05 mm) Pitch, Double‑Strand

The Renold 12B‑2 Duplex Roller Chain is a double‑strand carbon steel drive chain featuring a 3/4″ (19.05 mm) pitch, designed for heavy‑duty industrial use. Manufactured to ISO 606 / DIN 8187 / BS standards, its duplex construction significantly increases tensile strength and wear resistance compared to simplex chains. Robust and reliable, it is ideal for conveyors, agricultural equipment, presses, and production lines.

Specifications:

• Pitch: 19.05 mm (3/4″)

• Roller Diameter: 12.07 mm

• Inner Plate Width: 11.68 mm

• Plate Height: 16.00 mm

• Pin Diameter: 5.72 mm

• Breaking Load: ~57.8 kN

• Weight: ~2.5 kg/m

• Material: Hardened carbon steel, riveted duplex build

Benefits & Applications

✅ Enhanced durability and strength - duplex design resists heavy loads and vibration
✅ Industrial compliance - meets ISO, DIN, and British standards for quality and interchangeability
✅ Versatile use - ideal for conveyors, presses, agricultural machinery, production lines
✅ Long service life - heat-treated steel and duplex geometry enhance fatigue resistance
✅ Easy customization - available in 5 m or 10 ft packs for flexible installation

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FAQ

What makes 12B‑2 different from simplex 12B‑1?
12B‑2 is a double‑strand (duplex) chain with higher tensile strength, better load distribution, and longer wear life.

Is it compatible with standard sprockets?
Yes - built to ISO 606 / DIN 8187 specifications, it works with B-series sprockets (pitch 19.05 mm, inner width 11.68 mm).

What is its breaking load?
Approximately 57.8 kN, ideal for heavy-duty industrial applications.

Available in what lengths?
Supplied in 5 m or 10 ft packs from our stock.

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