NTN SKF FAG TIMKEN NSK KOYO 1097768 bearing Size Chart (mm/inches) |
|---|
| Series | 30312 |
| Cone Part Number | X30312 |
| Design Units | METRIC |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 78800 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 20400 lbf |
| d | 60.000 mm |
| B - Cone Width | 31.000 mm |
| WPD | 118.8 mm |
| DD | 109.1 mm |
| R - Cone Backface To Clear Radius3 | 3.050 mm |
| da - Cone Frontface Backing Diameter | 69 mm |
| db - Cone Backface Backing Diameter | 74 mm |
| Ab - Cage-Cone Frontface Clearance | 4.8 mm |
| Aa - Cage-Cone Backface Clearance | 1.8 mm |
| a - Effective Center Location4 | -7.1 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 52200 N |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 201000 N |
| C0 - Static Radial Rating | 221000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 30800 N |
| K - Factor8 | 1.69 |
| G1 - Heat Generation Factor (Roller-Raceway) | 75.8 |
| G2 - Heat Generation Factor (Rib-Roller End) | 22.2 |
| Cg - Geometry Factor | 0.071 |