NNCF4938V TIMKEN Double row full complement cylindrical roller bearings
| Brand Name: | TIMKEN |
| Model Number: | NNCF4938V |
| Series: | 649000 |
| Cone Part Number: | EE649239 |
| Cup Part Number: | 649310 |
| Design Units: | Imperial |
| Bearing Weight: | 112.900 Kg |
| Cage Type: | Pin-Type |
| d: | 607.720 mm |
| D: | 787.400 mm |
Product Details
| Series | 649000 |
| Cone Part Number | EE649239 |
| Cup Part Number | 649310 |
| Design Units | Imperial |
| Bearing Weight | 112.900 Kg |
| Cage Type | Pin-Type |
| d | 607.720 mm |
| D | 787.400 mm |
| B - Cone Width | 93.663 mm |
| C - Cup Width | 69.850 mm |
| B | 93.663 mm |
| R - Cone Backface To Clear Radius1 | 6.35 mm |
| r - Cup Backface To Clear Radius2 | 6.35 mm |
| da - Cone Frontface Backing Diameter | 632.97 mm |
| db - Cone Backface Backing Diameter | 642.11 mm |
| Da - Cup Frontface Backing Diameter | 762.50 mm |
| Db - Cup Backface Backing Diameter | 747.01 mm |
| Ab - Cage-Cone Frontface Clearance | 8.4 mm |
| Aa - Cage-Cone Backface Clearance | 8.6 mm |
| a - Effective Center Location3 | 31.5 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 152000 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 587000 lbf |
| C0 - Static Radial Rating | 1260000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 96600 lbf |
| K - Factor7 | 1.58 |
| e - ISO Factor8 | 0.37 |
| Y - ISO Factor9 | 1.62 |
| G1 - Heat Generation Factor (Roller-Raceway) | 9384.8 |
| G2 - Heat Generation Factor (Rib-Roller End) | 930 |
| Cg - Geometry Factor | 0.279 |
