NNU4988K NTN Cylindrical Roller Bearing
NNU4988K NTN Cylindrical Roller Bearing 17100 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 manufacturer and global supplier of reliable ball and roller ... NNU4988K NTN Cylindrical Roller Bearing Industries Products 0.08 in Ab - Cage-Cone Frontface Clearance Manufacturing & Precision Parts Bearing Co., Ltd. Engineering and Agricultural Bearings designed to meet the unique requirements of our targeted industries.
| Brand Name: |
NTN |
| Model Number: |
NNU4988K |
| Ab - Cage-Cone Frontface Clearance: |
0.08 in |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: |
17100 lbf |
| Aa - Cage-Cone Backface Clearance: |
0.05 in |
| C0 - Static Radial Rating: |
14000 lbf |
| db - Cone Backface Backing Diameter: |
2.76 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5: |
2550 lbf |
| d: |
2.4995 in |
| G1 - Heat Generation Factor (Roller-Raceway): |
33.5 |
| PDF |
NNU4988K |
Product Details
| Ab - Cage-Cone Frontface Clearance |
0.08 in |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
17100 lbf |
| Aa - Cage-Cone Backface Clearance |
0.05 in |
| C0 - Static Radial Rating |
14000 lbf |
| db - Cone Backface Backing Diameter |
2.76 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 |
2550 lbf |
| d |
2.4995 in |
| G1 - Heat Generation Factor (Roller-Raceway) |
33.5 |
| Design Units |
Imperial |
| K - Factor8 |
0.75 |
| a - Effective Center Location4 |
0.45 in |
| R - Cone Backface To Clear Radius3 |
0.04 in |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
4450 lbf |
| B - Cone Width |
0.6102 in |
| G2 - Heat Generation Factor (Rib-Roller End) |
38.2 |
| Cage Type |
Stamped Steel |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 |
3410 lbf |
| Cone Part Number |
L910349 |
| da - Cone Frontface Backing Diameter |
2.72 in |
| C1 - Dynamic Radial Rating (1 million revolutions)6 |
9850 lbf |