NNU4988K NTN Cylindrical Roller Bearing
NNU4988K NTN Cylindrical Roller Bearing 142.8 G2 - Heat Generation Factor (Rib-Roller End) Product LLC NTN-SNR BEARINGS RUS Brochures , Tapered Roller Bearing 9.0000 in d Manufacturing Service . Get Your Free.
| Brand Name: | NTN |
| Model Number: | NNU4988K |
| G2 - Heat Generation Factor (Rib-Roller End): | 142.8 |
| K - Factor8: | 1.33 |
| d: | 9.0000 in |
| Ab - Cage-Cone Frontface Clearance: | 0.11 in |
| Cg - Geometry Factor: | 0.157 |
| G1 - Heat Generation Factor (Roller-Raceway): | 1351.2 |
| Design Units: | Imperial |
| Cage Type: | Stamped Steel |
| PDF |
NNU4988K |
Product Details
| G2 - Heat Generation Factor (Rib-Roller End) | 142.8 |
| K - Factor8 | 1.33 |
| d | 9.0000 in |
| Ab - Cage-Cone Frontface Clearance | 0.11 in |
| Cg - Geometry Factor | 0.157 |
| G1 - Heat Generation Factor (Roller-Raceway) | 1351.2 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 65500 lbf |
| Series | 430000 |
| Cone Part Number | EE430902 |
| db - Cone Backface Backing Diameter | 11.42 in |
| C0 - Static Radial Rating | 432000 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 253000 lbf |
| R - Cone Backface To Clear Radius3 | 0.780 in |
| B - Cone Width | 3.4375 in |
| Aa - Cage-Cone Backface Clearance | 0.55 in |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 49300 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 114000 lbf |
| da - Cone Frontface Backing Diameter | 9.96 in |
