Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications11 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | NX12 | |
| Bore diameter | d | 12 mm |
| Outside diameter | D | 21 mm |
| Width | B | 18 mm |
| Basic dynamic load rating | C | 5.4 kN |
| Basic static load rating | C0 | 4.3 kN |
| Fatigue load limit | Pu | 0.84 kN |
| Limiting speed | nG | 9500 r/min |
| Mass | ≈m | 0.02369 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 397469 | |
| Brand | INA | |
| Base Type | NX12 | |
| Old Designation | ["NX12-Z"] | |
| X Life Marking | XL |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Needle roller/axial ball bearings NX..-Z, single direction axial component, for grease lubrication | |
| Short Description | Needle roller/axial ball bearing |
Technical Data20 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (Fw) | 12 mm | |
| Outside Diamater (D) | 21 mm | |
| Height (C) | 18 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 5,400 N | |
| Basic Static Load Rating, Radial (C0R) | 4,300 N | |
| Basic Dynamic Load Rating, Axial (Ca) | 4,850 N | |
| Basic Static Load Rating, Axial (C0A) | 8,200 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Limiting Speed (Limiting Spe) | 9,500 1/min | |
| Fatigue Load Limit, Axial (Cua) | 375 N | |
| Maximum Recess Radius (Ra Max) | 0.3 mm | |
| Mounting Dimension Shaft Shoulder (Da) | 16.6 mm | |
| Connection Diameter Snap Ring (D1) | 23.7 mm | |
| Distance To Lubrication Hole (C1) | 4.7 mm | |
| Distance To Lubrication Hole (C2) | 4.7 mm | |
| Connection Width With Snap Ring (C2) | 10 mm | |
| Bore Diameter Of Shaft Washer (Dw) | 12 mm | |
| Minimum Chamfer Dimension (Rmin) | 0.3 mm | |
| Fatigue Load Limit, Radial (Cur) | 840 N |
