Metric 20B-2 Roller Chain - 10ft Box
Carbon Steel Chains
| Features | Premium/Premier | General Duty Plus | Economy Plus |
|---|---|---|---|
| Solid Bushings | Split Bushings in most cases | Split Bushings | |
| Solid Rollers | |||
| Through-Hardened Pins | Case-Hardened Pins | Heat-Treated Pins | |
| Case-Hardened Rollers | Heat-Treated in Some Chains | ||
| Case-Hardened Bushings | Heat-Treated in Some Chains | ||
| Wide Contour Plates | Standard Contour Plates | Standard Contour Plates | |
| Superior Pin to Plate Contact | |||
| High-Hold Riveting | Standard Dual-Stake Rivets | Standard Dual-Stake Rivets | |
| Factory Pre-Loading | Not Standard on Economy Chains | ||
| Specific Heat-Treatment on Every Component | Some Components Might be Heat-Treated | ||
| Premium Alloy & Carbon Materials | High-Quality Carbon Materials | Standard-Quality Carbon Materials | |
| Shot-Peened Components | Non Shot-Peened Components | Non Shot-Peened Components | |
| High-Precision Components | Standard Precision Components | Low Precision Components | |
| Conforms to ANSI B29.1 or ISO/DIN Standards |
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

- 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