| model | JM205149A-JM205110 |
| type | bearing |
| Cone Part Number | JM205149A |
| Cup Part Number | JM205110 |
| 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 | M205100 |
| Inside Diameter | 50 mm |
| Inner Diameter Tolerance | -0.012mm to 0 |
| Outer Diameter | 90 mm |
| Outer Diameter Tolerance | -0.018mm to 0 |
| Cone Width | 28 mm |
| Cone Width | -0.1mm to 0 |
| Cup width | 23 mm |
| Cup Width | -0.2mm to 0 |
| Width | 28 mm |
| Width Tolerance | +0.2mm to 0 |
| Cone back to clearance radius | 5.08 mm |
| Cup back to cleaning radius | 2.54 mm |
| Tapered Front Backing Diameter | 57 mm |
| Tapered backing diameter | 67 mm |
| Cup front backing diameter | 85.10 mm |
| Cup backing diameter | 80.01 mm |
| Cage cone front clearance | 2.8 mm |
| Cage cone back clearance | 0.3 mm |
| Effective central location | -7.6 mm |
| Ferrule Material | 51200 Chrome steel |
| Roller material | 51200 Chrome steel |
| Cage Material | steel |
| Dynamic Radial Load | 33075 lbf |
| Static Radial Load | 34650 lbf |
| Dynamic Radial Rating (90 million rpm) (C90) | 8550 lbf |
| Dynamic Thrust Rating (90 million rpm) (Ca90) | 4815 lbf |
| Lubricant | Lubricant Added |
| Temperature Range | -30° to 110 °C |