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 |