Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | NKIA5903 | |
| Bore diameter | d | 17 mm |
| Outside diameter | D | 30 mm |
| Width | B | 18 mm |
| Basic dynamic load rating | C | 12.4 kN |
| Basic static load rating | C0 | 14.6 kN |
| Fatigue load limit | Pu | 2.65 kN |
| Reference speed | nref | 15000 r/min |
| Limiting speed | nG | 20600 r/min |
| Mass | ≈m | 0.0527 kg |
Manufacturer Identity3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 397305 | |
| Brand | INA | |
| Base Type | NKIA5903 |
Product Identity1 parameter
| Parameter | Symbol | Value |
|---|---|---|
| Short Description | Needle roller/angular contact ball bearing |
Technical Data14 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 17 mm | |
| Outside Diamater (D) | 30 mm | |
| Total Width (B) | 18 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 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 | |
| Raceway Diameter Inner Ring (F) | 22 mm | |
| Limiting Speed (Limiting Spe) | 20,600 1/min | |
| Reference Speed (Nϑr) | 15,000 1/min | |
| Fatigue Load Limit, Axial (Cua) | 222 N | |
| Fatigue Limit Load, Radial (Cur) | 2,650 N | |
| Minimum Chamfer Dimension (Rmin) | 0.3 mm | |
| Fatigue Load Limit, Radial (Cur) | 2,650 N |
