NN30/630K NSK Double row cylindrical roller bearings
| Brand Name: | NSK |
| Model Number: | NN30/630K |
| Series: | 475 |
| Cone Part Number: | NA483SW |
| Cup Part Number: | 472D |
| Design Units: | Imperial |
| Bearing Weight: | 6.68 lb |
| Cage Type: | Stamped Steel |
| d: | 2.7559 in |
| D: | 4.7244 in |
Product Details
| Series | 475 |
| Cone Part Number | NA483SW |
| Cup Part Number | 472D |
| Design Units | Imperial |
| Bearing Weight | 6.68 lb |
| Cage Type | Stamped Steel |
| d | 2.7559 in |
| D | 4.7244 in |
| B - Cone Width | 1.4688 in |
| C - Double Cup Width | 2.125 in |
| T - Bearing Width across Cones | 2.9376 in |
| R - Cone Backface To Clear Radius1 | 0.14 in |
| r - Cup Frontface To Clear Radius2 | 0.03 in |
| db - Cone Backface Backing Diameter | 3.27 in |
| Da - Cup Frontface Backing Diameter | 4.49 in |
| Aa - Cage-Cone Backface Clearance | 0.22 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 | 8360 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 | 56100 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 | 14600 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 5500 lbf |
| K - Factor7 | 1.52 |
| e - ISO Factor8 | 0.38 |
| Y1 - ISO Factor9 | 1.75 |
| Y2 - ISO Factor10 | 2.61 |
| G1 - Heat Generation Factor (Roller-Raceway)11 | 77.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 23 |