| Series | 30311M |
| Cone Part Number | X30311M |
| Design Units | METRIC |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 68100 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 17600 lbf |
| d | 55.000 mm |
| B - Cone Width | 29.000 mm |
| WPD | 109.7 mm |
| DD | 100.4 mm |
| R - Cone Backface To Clear Radius3 | 2.540 mm |
| da - Cone Frontface Backing Diameter | 67 mm |
| db - Cone Backface Backing Diameter | 71 mm |
| Ab - Cage-Cone Frontface Clearance | 3.8 mm |
| Aa - Cage-Cone Backface Clearance | 2 mm |
| a - Effective Center Location4 | -6.6 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 45100 N |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 174000 N |
| C0 - Static Radial Rating | 190000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 26600 N |
| K - Factor8 | 1.69 |
| G1 - Heat Generation Factor (Roller-Raceway) | 62.8 |
| G2 - Heat Generation Factor (Rib-Roller End) | 24 |
| Cg - Geometry Factor | 0.0628 |
