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 |
