INA Nkia 5903 NA Combined Needle Roller / Angular Contact Ball Bearing
In stock2 unitsReady to ship
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.
Massive Inventory
Global Shipping
Expert Support
Quality Guaranteed
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 |













