INA Nkia 5903 NA Combined Needle Roller / Angular Contact Ball Bearing
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Combined Bearing
INA NKIA 5903 NA combined needle roller and angular contact ball bearing designed for high radial and axial load capacity in compact industrial assemblies.
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INA NKIA 5903 NA Combined Bearing
The INA NKIA 5903 NA is a combined needle roller and angular contact ball bearing designed to support both radial and axial loads within a compact bearing arrangement. This bearing configuration allows for high load-carrying capacity and precise guidance in demanding industrial applications.
Manufacturer: INA / Schaeffler
Type: Combined Needle Roller / Angular Contact Ball Bearing
Model: NKIA 5903 NA
| Bore Diameter (d) | 17 mm |
| Outer Diameter (D) | 30 mm |
| Width (B) | 18 mm |
| Basic Dynamic Load Rating, Radial | 12,400 N |
| Basic Static Load Rating, Radial (C0r) | 14,600 N |
| Basic Dynamic Load Rating, Axial (Ca) | 3,150 N |
| Basic Static Load Rating, Axial (C0a) | 4,900 N |
| Fatigue Limit Load, Radial (Cur) | 2,650 N |
| Fatigue Load Limit, Axial (Cua) | 222 N |
| Limiting Speed | 20,600 1/min |
| Reference Speed | 15,000 1/min |
