Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | NKIB5911 | |
| Bore diameter | d | 55 mm |
| Outside diameter | D | 80 mm |
| Width | B | 38 mm |
| Basic dynamic load rating | C | 65 kN |
| Basic static load rating | C0 | 100 kN |
| Fatigue load limit | Pu | 17.6 kN |
| Reference speed | nref | 6000 r/min |
| Limiting speed | nG | 7300 r/min |
| Mass | ≈m | 0.57 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 397385 | |
| Brand | INA | |
| Base Type | NKIB5911 | |
| X Life Marking | XL |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Needle roller/angular contact ball bearings NKIB, double direction axial component | |
| Short Description | Needle roller/angular contact ball bearing |
Technical Data16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 55 mm | |
| Outside Diamater (D) | 80 mm | |
| Total Width (B) | 38 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 65,000 N | |
| Basic Static Load Rating, Radial (C0R) | 100,000 N | |
| Basic Dynamic Load Rating, Axial (Ca) | 12,100 N | |
| Basic Static Load Rating, Axial (C0A) | 29,500 N | |
| Raceway Diameter Inner Ring (F) | 63 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Limiting Speed (Limiting Spe) | 7,300 1/min | |
| Reference Speed (Nϑr) | 6,000 1/min | |
| Fatigue Load Limit, Axial (Cua) | 1,340 N | |
| Width, Outer Ring (C) | 34 mm | |
| Minimum Chamfer Dimension (Rmin) | 1 mm | |
| Fatigue Load Limit, Radial (Cur) | 17,600 N |
