Premium Metric 28B-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 |
28B-2 Roller Chain Dimensions

- Part #: 28B-2
- Pitch (P): 44.45mm
- Roller Width (R): 30.99mm
- Roller Diameter (D): 27.94mm
- Connecting Link Overall Width (X): 129.1mm
- Plate Height (H): 37.00mm
- Plate Thickness (T): 6.40mm
- Pin Diameter (L): 15.90mm
- Minimum Breaking Load: 406.8 kN
- Weight: 16.6 kG/ m

- Part #: 28B-2
- Pitch (P): 44.45mm
- Roller Width (R): 30.99mm
- Roller Diameter (D): 27.94mm
- Connecting Link Overall Width (X): 129.1mm
- Plate Height (H): 37.00mm
- Plate Thickness (T): 6.40mm
- Pin Diameter (L): 15.90mm
- Minimum Breaking Load: 406.8 kN
- Weight: 16.6 kG/ m