| model | HM256849-HM256810 |
| type | bearing |
| Cone Part Number | HM256849 |
| Cup Part Number | HM256810 |
| Metering System | Imperial |
| 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 | HM256800 |
| Inside Diameter | 11.8125" |
| Inner Diameter Tolerance | +0.025" to 0 |
| Outer Diameter | 16.625" |
| Outer Diameter Tolerance | +0.051" to 0 |
| Cone Width | 3.25" |
| Cone Width | +0.076" to -0.254" |
| Cup width | 2.5" |
| Cup Width | +0.051" to -0.254" |
| Width | 3.25" |
| Width Tolerance | +0.356" to-0.254" |
| Cone back to clearance radius | 0.25" |
| Cup back to cleaning radius | 0.130" |
| Tapered Front Backing Diameter | 13.58" |
| Tapered backing diameter | 12.91" |
| Cup front backing diameter | 15.95" |
| Cup backing diameter | 15.51" |
| Cage cone front clearance | 0.2" |
| Cage cone back clearance | 0.22" |
| Effective central location | -0.22" |
| Ferrule Material | 51200 Chrome steel |
| Roller material | 51200 Chrome steel |
| Cage Material | Pin-Type |
| Dynamic Radial Load | 292000 lbf |
| Static Radial Load | 622000 lbf |
| Dynamic Radial Rating (90 million rpm) (C90) | 75600 lbf |
| Dynamic Thrust Rating (90 million rpm) (Ca90) | 43600 lbf |
| Lubricant | Lubricant Added |
| Temperature Range | -30° to 110 °C |