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| Parameter | SKFNKX 2020 × 30 × 30 mm | INANKX20-XL20 × 30 × 30 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | NKX 20 | NKX20-XL |
| Product family | Combined needle roller / thrust ball bearings | — |
| Detailed type | Combined needle roller / thrust ball bearing | Needle roller/axial ball bearing |
| Series | — | NKX20 |
| Bore diameterd | 20 mm | 20 mm |
| Outside diameterD | 30 mm | 30 mm |
| WidthB | 30 mm | 30 mm |
| Basic dynamic load ratingC | — | 18.6 kN |
| Basic static load ratingC0 | — | 23.8 kN |
| Fatigue load limitPu | — | 4.2 kN |
| Reference speednref | 7500 r/min | — |
| Limiting speednG | 10000 r/min | 7500 r/min |
| Mass≈m | 0.083 kg | 0.08053 kg |
| Bearing material | Bearing steel | — |
| Minimum operating temperatureTmin | — | -30 °C |
| Maximum operating temperatureTmax | — | 120 °C |
| Engineering — Abutment dimensions | ||
| Diameter of shaft abutmentd a | min. 30.7 mm | — |
| Radius of filletr a | max. 0.3 mm | — |
| Radius of filletr b | max. 0.3 mm | — |
| Bore diameter of associated inner ringd i | 17 mm | — |
| Diameter of inner ring racewayF | 20 mm | — |
| Width of associated inner ringB i | 20 mm | — |
| Engineering — Associated products | ||
| Inner ring | IR 17x20x20 | — |
| Engineering — Calculation data | ||
| Basic dynamic load rating, radialC | 16.5 kN | — |
| Basic static load rating, radialC 0 | 25.5 kN | — |
| Basic dynamic load rating, axialC | 14.3 kN | — |
| Basic static load rating, axialC 0 | 27 kN | — |
| Fatigue load limit, radialP u | 3.05 kN | — |
| Fatigue load limit, axialP u | 1 kN | — |
| Minimum axial load factorA | 0.004 | — |
| Engineering — Dimensions | ||
| Diameter under rollersF w | 20 mm | — |
| Width of thrust partC 1 | 10 mm | — |
| Distance side face to lubrication holeC 2 | 10.5 mm | — |
| Bore diameter of thrust partd | 20 mm | — |
| Diameter of flangeD 1 | 35.1 mm | — |
| Chamfer dimensionr 1,2 | min. 0.3 mm | — |
| Logistics | ||
| Product net weight | 0.083 kg | — |
| eClass code | 23-05-09-03 | — |
| UNSPSC code | 31171512 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 397403 |
| Base Type | — | NKX20 |
| Old Designation | — | ["NKX20"] |
| Gpsd Group | — | I01 |
| Product Line Id | — | 09 |
| X Life Marking | — | XL |
| Product identity | ||
| Official product category | Combined needle roller / thrust ball bearings | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/needle-roller-bearings/combined-needle-roller-bearings | — |
| Structure group ID | BVN_002_003 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Construction | — | Needle roller/axial ball bearings NKX, axial component, single direction, to DIN 5429, without end cap, for oil lubrication |
| Short Description | — | Needle roller/axial ball bearing |
| Properties | ||
| Rolling bearing type | Needle roller / thrust ball bearing | — |
| Bearing part | Radial part without inner ring | — |
| Thrust part | With cage | — |
| Radial part | With cage | — |
| Rolling element (thrust part) | Balls | — |
| Axial load capability | Single-direction | — |
| Tolerance class | Other | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Lubricant (thrust part) | None | — |
| Indicative carbon footprint for new product | 0.31 kg CO 2 e | — |
| Technical Data | ||
| 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) | — | 14,200 N |
| Basic Static Load Rating, Axial (C0A) | — | 24,700 N |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Operating Temperature Max. (Tmax) | — | 120 °C |
| Limiting Speed (Limiting Spe) | — | 7,500 1/min |
| Fatigue Load Limit, Axial (Cua) | — | 1,220 N |
| Maximum Outerside Diameter Flange (D1 Max) | — | 35.1 mm |
| Maximum Recess Radius (Ra Max) | — | 0.3 mm |
| Mounting Dimension Shaft Shoulder (Da) | — | 30.7 mm |
| Distance To Lubrication Hole (C1) | — | 10.5 mm |
| Distance To Lubrication Hole (C2) | — | 10.5 mm |
| Maximum Outerside Diameter Flange (D2 Max) | — | 35.1 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 |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.