NTN NK45/30R needle roller bearings
Manufacturers of all are represented in our partial list of clients. Contact Gary 422 Cone Part Number for a complete NTN NK45/30R needle roller bearings list of clients and projects.
| Cone Part Number | 422 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 45300 lbf |
| C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 11700 lbf |
| d | 1.5625 in |
| B – Cone Width | 1.1450 in |
| R – Cone Backface To Clear Radius3 | 0.14 in |
| da – Cone Frontface Backing Diameter | 1.79 in |
| db – Cone Backface Backing Diameter | 2.05 in |
| Ab – Cage-Cone Frontface Clearance | 0.06 in |
| Aa – Cage-Cone Backface Clearance | 0.03 in |
| a – Effective Center Location4 | -0.38 in |
| C90 – Dynamic Radial Rating (90 million revolutions)5 | 6740 lbf |
| C1 – Dynamic Radial Rating (1 million revolutions)6 | 26000 lbf |
| C0 – Static Radial Rating | 28000 lbf |
| Ca90 – Dynamic Thrust Rating (90 million revolutions)7 | 3040 lbf |
| K – Factor8 | 2.22 |
| G1 – Heat Generation Factor (Roller-Raceway) | 34.4 |
| G2 – Heat Generation Factor (Rib-Roller End) | 9.9 |
| Cg – Geometry Factor | 0.0731 |
Detailed Parameters
parameter：
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