| model | 52387D-52618 |
| type | bearing |
| Cone Part Number | 52387D |
| Cup Part Number | 52618 |
| Metering System | Imperial |
| 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 |
| series | 52000 |
| Inside Diameter | 3.875" |
| Inner Diameter Tolerance | +0.025" to 0 |
| Outer Diameter | 6.1875" |
| Outer Diameter Tolerance | +0.025" to 0 |
| Double Cone Width | 3.125" |
| Double Cone Width | +0.076" to -0.254" |
| Cup width | 1.0313" |
| Cup Width | +0.051" to -0.254" |
| Bearing width across cup body | 3.1561" |
| Bearing width across cup | +0.203" to 0 |
| Cone back to clearance radius | 0.03" |
| Cup back to cleaning radius | 0.13" |
| Cup front backing diameter | 4.29" |
| Cup backing diameter | 5.59" |
| Dynamic Radial Load | 87500 lbf |
| Ferrule Material | 51200 Chrome steel |
| Roller material | 51200 Chrome steel |
| Cage Material | steel |
| Dynamic Radial Rating (90 million revolutions in two columns) | 13000 lbf |
| Dynamic Thrust Rating (90 million rpm) (Ca90) | 10600 lbf |
| Dynamic Radial Rating (90 million revolutions in two columns) | 22700 lbf |
| 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 | 11.8 lb |