| model | JL580946-JL580914 |
| type | bearing |
| Cone Part Number | JL580946 |
| Cup Part Number | JL580914 |
| Metering System | Metric System |
| Bearing Type | Roller |
| Roller Bearing Type | Tapered roller |
| Load Direction | Radial force and axial force |
| Structure | Single Column |
| Seal Type | Open |
| Outer ring type | Standard Type |
| series | L580900 |
| Inside Diameter | 630 mm |
| Inner Diameter Tolerance | -0.05mm to 0 |
| Outer Diameter | 850 mm |
| Outer Diameter Tolerance | -0.01mm to 0 |
| Cone Width | 100 mm |
| Cone Width | -0.25mm to 0 |
| Cup width | 78 mm |
| Cup Width | -0.35mm to 0 |
| Width | 108 mm |
| Width Tolerance | +0.4mm to -0.4mm |
| Cone back to clearance radius | 7.62 mm |
| Cup back to cleaning radius | 6.10 mm |
| Tapered Front Backing Diameter | 660 mm |
| Tapered backing diameter | 672 mm |
| Cup front backing diameter | 807.00 mm |
| Cup backing diameter | 801.12 mm |
| Cage cone front clearance | 14 mm |
| Cage cone back clearance | 14 mm |
| Effective central location | 35.6 mm |
| Ferrule Material | 51200 Chrome steel |
| Roller material | 51200 Chrome steel |
| Cage Material | steel |
| Dynamic Radial Load | 650250 lbf |
| Static Radial Load | 1329750 lbf |
| Dynamic Radial Rating (90 million rpm) (C90) | 168300 lbf |
| Dynamic Thrust Rating (90 million rpm) (Ca90) | 114750 lbf |
| Lubricant | Lubricant Added |
| Temperature Range | -30° to 110 °C |