| Video outgoing-inspection | Provided |
| Product name | Carrier roller, upper roller, top roller |
| Material | 50Mn/40Mn2 |
| Technique | Forging or Casting |
| Hardness | HRC50-58 |
| Finish | Smooth |
| Warranty time | 2000hours |
| Flange Type | Single Flange |
| Tread Diameter (mm) | 182 |
| Diameter | 202 |
| Flange Diameter | 202 |
| Undercarriage Width (mm) | 295 |
| Shaft Diameter (mm) | 57.1 |
| Bolt Size (mm) | M10 |