| Series | 31318M |
| Cone Part Number | X31318M |
| Design Units | METRIC |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 127000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 32900 lbf |
| d | 90 mm |
| B - Cone Width | 43 mm |
| WPD | 177.7 mm |
| DD | 146.7 mm |
| R - Cone Backface To Clear Radius3 | 4.060 mm |
| da - Cone Frontface Backing Diameter | 117 mm |
| db - Cone Backface Backing Diameter | 128 mm |
| Ab - Cage-Cone Frontface Clearance | 6.6 mm |
| Aa - Cage-Cone Backface Clearance | 6.9 mm |
| a - Effective Center Location4 | 13.2 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 84000 N |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 324000 N |
| C0 - Static Radial Rating | 421000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 119000 N |
| K - Factor8 | 0.71 |
| G1 - Heat Generation Factor (Roller-Raceway) | 169.3 |
| G2 - Heat Generation Factor (Rib-Roller End) | 37.1 |
| Cg - Geometry Factor | 0.114 |
