Bearing 7904T1G/GNP4 NTN 7904T1G/GNP4 NTN bearing Size Chart (mm/inches) |
|---|
| Series | 30217 |
| Cone Part Number | X30217 |
| Design Units | METRIC |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 92500 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 24000 lbf |
| d | 85 mm |
| B - Cone Width | 28.000 mm |
| WPD | 138.6 mm |
| DD | 128 mm |
| R - Cone Backface To Clear Radius3 | 2.540 mm |
| da - Cone Frontface Backing Diameter | 93 mm |
| db - Cone Backface Backing Diameter | 97 mm |
| Ab - Cage-Cone Frontface Clearance | 5.1 mm |
| Aa - Cage-Cone Backface Clearance | 1.3 mm |
| a - Effective Center Location4 | -0.3 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 61200 N |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 236000 N |
| C0 - Static Radial Rating | 236000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 44000 N |
| K - Factor8 | 1.39 |
| G1 - Heat Generation Factor (Roller-Raceway) | 101.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 24.9 |
| Cg - Geometry Factor | 0.0833 |