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| Parameter | SKFK 105X112X21Single row needle roller and cage assembly | INAK105X112X21105 × 112 × 21 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | K 105X112X21 | K105X112X21 |
| Product family | Needle roller bearings | — |
| Detailed type | Single row needle roller and cage assembly | Needle roller cage assembly |
| Bore diameterd | — | 105 mm |
| Outside diameterD | 112 mm | 112 mm |
| WidthB | 21 mm | 21 mm |
| Basic dynamic load ratingC | 45.7 kN | 47.5 kN |
| Basic static load ratingC0 | 129 kN | 127 kN |
| Fatigue load limitPu | 15.3 kN | 17.7 kN |
| Reference speednref | 4000 r/min | 3000 r/min |
| Limiting speednG | 4500 r/min | 4500 r/min |
| Mass≈m | 0.123 kg | 0.132 kg |
| Sealing | Without | — |
| Cage | Sheet steel | — |
| Bearing material | Bearing steel | — |
| Lubricant | None | — |
| Minimum operating temperatureTmin | — | -30 °C |
| Maximum operating temperatureTmax | — | 140 °C |
| Dimensions | ||
| Bore diameter of needle roller complement | 105.0 mm | — |
| Outside diameter of needle roller complement | 112.0 mm | — |
| Engineering — Dimensions | ||
| Diameter under rollersF w | 105 mm | — |
| Outside diameter roller complementE w | 112 mm | — |
| Width needle roller and cage assemblyU | 21 mm | — |
| Logistics | ||
| Product net weight | 0.123 kg | — |
| eClass code | 23-05-09-03 | — |
| UNSPSC code | 31171512 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 379425 |
| Base Type | — | K105X112X21 |
| Gpsd Group | — | I01 |
| Product Line Id | — | 09 |
| X Life Marking | — | n.r. |
| Product identity | ||
| Official product category | Needle roller bearings | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/needle-roller-bearings/needle-roller-and-cage-assemblies | — |
| Structure group ID | BN1_001 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Construction | — | Needle roller cage assembly K, single row |
| Short Description | — | Needle roller cage assembly |
| Properties | ||
| Bearing part | Needle roller and cage assembly | — |
| Number of rows | 1 | — |
| Outer ring type | Not applicable | — |
| Aligning feature | Without | — |
| Tolerance class | Normal | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Relubrication feature | Without | — |
| Indicative carbon footprint for new product | 0.46 kg CO 2 e | — |
| Technical Data | ||
| Inner Diameter Of Needle Roller Complement (Fw) | — | 105 mm |
| Outside Diameter Of Needle Roller Complement (Ew) | — | 112 mm |
| Width (Bc) | — | 21 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 47,500 N |
| Basic Static Load Rating, Radial (C0R) | — | 127,000 N |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Operating Temperature Max. (Tmax) | — | 140 °C |
| Limiting Speed (Limiting Spe) | — | 4,500 1/min |
| Reference Speed (Nϑr) | — | 3,000 1/min |
| Fatigue Load Limit, Radial (Cur) | — | 17,700 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.