NNU4856 NSK Double row cylindrical roller bearings
| Brand Name: | NSK |
| Model Number: | NNU4856 |
| Cone Part Number: | LM117949 |
| Design Units: | Imperial |
| Cage Type: | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: | 54100 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: | 14000 lbf |
| d: | 3.5000 in |
| B - Cone Width: | 1.1250 in |
| R - Cone Backface To Clear Radius3: | 0.09 in |
Product Details
| Cone Part Number | LM117949 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 54100 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 14000 lbf |
| d | 3.5000 in |
| B - Cone Width | 1.1250 in |
| R - Cone Backface To Clear Radius3 | 0.09 in |
| da - Cone Frontface Backing Diameter | 3.78 in |
| db - Cone Backface Backing Diameter | 3.9 in |
| Ab - Cage-Cone Frontface Clearance | 0.07 in |
| Aa - Cage-Cone Backface Clearance | 0.04 in |
| a - Effective Center Location4 | -0.22 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 8060 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 31100 lbf |
| C0 - Static Radial Rating | 49500 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 3710 lbf |
| K - Factor8 | 2.17 |
| G1 - Heat Generation Factor (Roller-Raceway) | 135.7 |
| G2 - Heat Generation Factor (Rib-Roller End) | 61.9 |
| Cg - Geometry Factor | 0.116 |
