Service Specifications
| Main Journal | Diameter | Minimum | 2.4995 |
| Maximum | 2.5005 | ||
| Out of Round | Maximum | 0.001 | |
| Taper | Maximum | 0.001 | |
| Bearing Clearance No. 1 | Minimum | 0.0005 | |
| Maximum | 0.0015 | ||
| Bearing Clearance No.s 2 Through 4 | Minimum | 0.0005 | |
| Maximum | 0.0020 | ||
| Service Limit | 0.0025 |