300RV4221 NSK ROLL NECK BEARINGS for ROLLING MILL
| Brand Name: | NSK |
| Model Number: | 300RV4221 |
| Series: | 153000 |
| Cone Part Number: | EE153044 |
| Cup Part Number: | 153100 |
| Design Units: | Imperial |
| Bearing Weight: | 18.20 Kg |
| Cage Type: | Stamped Steel |
| d: | 120.650 mm |
| D: | 254.000 mm |
Product Details
| Series | 153000 |
| Cone Part Number | EE153044 |
| Cup Part Number | 153100 |
| Design Units | Imperial |
| Bearing Weight | 18.20 Kg |
| Cage Type | Stamped Steel |
| d | 120.650 mm |
| D | 254.000 mm |
| B - Cone Width | 82.550 mm |
| C - Cup Width | 57.150 mm |
| B | 77.788 mm |
| R - Cone Backface To Clear Radius1 | 9.650 mm |
| r - Cup Backface To Clear Radius2 | 6.35 mm |
| da - Cone Frontface Backing Diameter | 140.97 mm |
| db - Cone Backface Backing Diameter | 156.97 mm |
| Da - Cup Frontface Backing Diameter | 230.89 mm |
| Db - Cup Backface Backing Diameter | 225.04 mm |
| Ab - Cage-Cone Frontface Clearance | -2 mm |
| Aa - Cage-Cone Backface Clearance | 11.4 mm |
| a - Effective Center Location3 | -24.6 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 41400 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 160000 lbf |
| C0 - Static Radial Rating | 232000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 22800 lbf |
| K - Factor7 | 1.82 |
| e - ISO Factor8 | 0.32 |
| Y - ISO Factor9 | 1.87 |
| G1 - Heat Generation Factor (Roller-Raceway) | 490.5 |
| G2 - Heat Generation Factor (Rib-Roller End) | 65.1 |
| Cg - Geometry Factor | 0.129 |