Renold A&S 20B‑1 Simplex Roller Chain - 1¼″ (31.75 mm) Pitch

The Renold A&S 20B‑1 is a single-strand simplex roller chain featuring a 31.75 mm (1¼″) pitch, crafted from durable carbon steel. Designed to meet ISO 606, DIN 8187, and BS standards, it is perfect for general industrial applications. Its robust plate thickness and solid pin construction ensure reliable performance under standard duty conditions.

Typical specifications:

• Pitch: 31.75 mm (1¼″)

• Roller diameter: 19.05 mm

• Inner plate width: 19.56 mm

• Plate height: ~26.3 mm

• Pin diameter: ~10.19 mm

• Breaking strength: approx. 95,000 lbs (≈42 kN)

• Chain weight: ~3.9 kg/m

Key Benefits

• Standards-compliant - fully compatible with ISO, DIN, and British Standard sprockets

• Reliable performance - designed for conveyors, machinery, agricultural equipment, and production lines

• Durable construction - hardened carbon steel withstands stress and wear

• Versatile lengths - available in boxes of 2.5 m or 3 m, sold by the meter

• Connector ready - use with standard 20B‑1 connecting links

SEO Keywords

Renold A&S 20B‑1, 20B-1 roller chain, 1¼″ pitch chain, Renold simplex chain, industrial roller chain, ISO 606 chain, DIN 8187 chain, 20B1 chain Lublin.

FAQ

What chain pitch does it have?
It has a pitch of 31.75 mm (1¼″), compatible with 20B‑1 standard components.

What is its breaking strength?
Approximately 95,000 lbs, or about 42 kN, making it suitable for medium stress applications.

What lengths are offered?
Available in 2.5 m or 3 m boxes, also sold per meter if needed.

What industries is it used in?
Common in conveyors, industrial machines, agricultural machinery, and material handling systems.

Which standards does it comply with?
Meets ISO 606, DIN 8187, and British Standard for industrial roller chains.

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