
20B-2 roller chain is a high-strength duplex metric transmission chain with a 31.75mm pitch that conforms to ISO and British Standards (BS). Our high-quality 20B-2 chain offers excellent lifespan, performance, and strength. We utilize state-of-the-art features and manufacturing techniques to provide one of the industry's best 20B-2 roller chains! Additionally, our 20B-2 chain interchanges with other brands and is supplied as a 10ft box, including one connecting link (master link) for connecting the chain. We also provide 20B-2 roller chain sprockets, breakers, pullers, and spare links. For additional information or to get a quote on our superior 20B-2 roller chain, contact our customer service team, and we will gladly assist you!
20B-2 Roller Chain Dimensions

- Part #: 20B-2
- Pitch (P): 31.75mm
- Roller Width (R): 19.56mm
- Roller Diameter (D): 19.05mm
- Connecting Link Overall Width (X): 81.5mm
- Plate Height (H): 26.40mm
- Plate Thickness (T): 4.50mm
- Pin Diameter (L): 10.19mm
- Minimum Breaking Load: 211.2 kN
- Weight: 7.2 kG/ m
Feature
- Premium Duplex Roller Chain
- High-Precision and Long Lasting
- Shot-Peened and Heat Treated Components
- Uniquely Hardened Pins
- Riveted Construction
- Factory Pre-Loaded
- Conforms to ISO and British Standards

- Part #: 20B-2
- Pitch (P): 31.75mm
- Roller Width (R): 19.56mm
- Roller Diameter (D): 19.05mm
- Connecting Link Overall Width (X): 81.5mm
- Plate Height (H): 26.40mm
- Plate Thickness (T): 4.50mm
- Pin Diameter (L): 10.19mm
- Minimum Breaking Load: 211.2 kN
- Weight: 7.2 kG/ m