| model | 331780 A |
| type | bearing |
| Metering system | Metric system |
| Bearing Type | Roller |
| Roller Bearing Type | Tapered roller |
| Load Direction | Radial force and axial force |
| Structure | Double row |
| Seal Type | Open |
| Outer ring type | Standard Type |
| Inside Diameter | 762 mm |
| Inner Diameter Tolerance | -0.08mm to 0 |
| Outer Diameter | 965.2 mm |
| Outer Diameter Tolerance | -0.01mm to 0 |
| Double Cone Width | 187.325 mm |
| Double Cone Width | -0.3mm to 0 |
| Bearing width | 187.325 mm |
| Bearing Width Tolerance | +0.4mm to -0.4mm |
| Abutment diameter shaft | 853 mm |
| Housing shoulder size | 853 mm |
| Inner ring chamfer size | min.6.4 mm |
| Outer ring chamfer size | min.1.5 mm |
| Dynamic Radial Load | 805500 lbf |
| Static Radial Load | 2205000 lbf |
| Ferrule Material | 51200 Chrome steel |
| Roller material | 51200 Chrome steel |
| Fatigue load limit | 150750 lbf |
| Compare Radial Load Ratings | 194625 lbf |
| Compare Axial Load Ratings | 76050 lbf |
| Distance from pressure point | 316 mm |
| Lubricant | Lubricant Added |
| Temperature Range | -30° to 110 °C |
| ABEC Standard | ABEC-1 |
| Clearance Range | Standard (applicable to C3/C4/C5) |
| RoHS Standard | Conform |
| REACH Standard | Conform |
| Weight | 639.34 lb |