| Inner diameter of needle roller complement | Fw | 45 | mm |
| Width | B | 20 | mm |
| Basic static load rating, radial | C0r | 67,000 | |
| Limiting speed | nG | 10,000 |
| Outside diameter of needle roller complement | Ew | 53 | mm |
| Basic dynamic load rating, radial | Cr | 39,000 | |
| Fatigue load limit, radial | Cur | 8,800 | |
| Reference speed | nϑr | 5,500 |
| Fabricante | Referencia |
|---|---|
| NTN | K45X53X20 (NTN) |
