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 | NKXR20 | |
| Bore diameter | d | 20 mm |
| Outside diameter | D | 30 mm |
| Width | B | 30 mm |
| Basic dynamic load rating | C | 18.6 kN |
| Basic static load rating | C0 | 23.8 kN |
| Fatigue load limit | Pu | 4.2 kN |
| Reference speed | nref | 4200 r/min |
| Limiting speed | nG | 10000 r/min |
| Mass | ≈m | 0.08404 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 397528 | |
| Brand | INA | |
| Base Type | NKXR20 | |
| Old Designation | ["NKXR20-Z"] | |
| X Life Marking | XL |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Needle roller/axial cylindrical roller bearings NKXR..-Z, axial component, single direction, to DIN 5429, with end cap, for grease lubrication | |
| Short Description | Needle roller/axial cylindrical roller bearing |
Technical Data20 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (Fw) | 20 mm | |
| Outside Diamater (D) | 30 mm | |
| Height (C) | 30 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 18,600 N | |
| Basic Static Load Rating, Radial (C0R) | 23,800 N | |
| Basic Dynamic Load Rating, Axial (Ca) | 25,000 N | |
| Basic Static Load Rating, Axial (C0A) | 53,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Limiting Speed (Limiting Spe) | 10,000 1/min | |
| Reference Speed (Nϑr) | 4,200 1/min | |
| Fatigue Load Limit, Axial (Cua) | 7,500 N | |
| Maximum Recess Radius (Ra Max) | 0.3 mm | |
| Mounting Dimension Shaft Shoulder (Da) | 30.7 mm | |
| Distance To Lubrication Hole (C2) | 10.5 mm | |
| Maximum Outerside Diameter Flange (D2 Max) | 36.2 mm | |
| Width Of The Axial Brearing Component (C1) | 10 mm | |
| Bore Diameter Of Shaft Washer (Dw) | 20 mm | |
| Minimum Chamfer Dimension (Rmin) | 0.3 mm | |
| Fatigue Load Limit, Radial (Cur) | 4,200 N |
