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| Parameter | INARNA4844-XL240 × 270 × 50 mm | IKORNA4844240 × 270 × 50 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | INA | IKO |
| Designation | RNA4844-XL | RNA4844 |
| Product family | — | Machined Type Needle Roller Bearings |
| Detailed type | Radial roller bearing | Needle roller bearings |
| Series | RNA4844 | RNA48 |
| Bore diameterd | 240 mm | 240 mm |
| Outside diameterD | 270 mm | 270 mm |
| WidthB | 50 mm | 50 mm |
| Basic dynamic load ratingC | 275 kN | 266 kN |
| Basic static load ratingC0 | 790 kN | 833 kN |
| Fatigue load limitPu | 112 kN | — |
| Reference speednref | 1130 r/min | 900 r/min |
| Limiting speednG | 1980 r/min | 1500 r/min |
| Mass≈m | 3.592 kg | 3.820019 kg |
| Precision class | — | JIS, Class 0 |
| Cage | — | Steel |
| Bearing material | — | High Carbon Chrome Steel |
| Minimum operating temperatureTmin | -30 °C | -20 °C |
| Maximum operating temperatureTmax | 120 °C | 120 °C |
| Manufacturer Identity | ||
| Schaeffler Product Code | 393448 | — |
| Base Type | RNA4844 | — |
| Old Designation | ["RNA4844"] | — |
| Gpsd Group | I01 | — |
| Product Line Id | 09 | — |
| X Life Marking | XL | — |
| Cad Part Number | — | RNA4844 |
| Materials | ||
| Rolling Element Material | — | SUJ2 |
| Retainer Material | — | Steel |
| Product Identity | ||
| Short Description | Radial roller bearing | Machined Type Needle Roller Bearings |
| Long Description | — | Machined Type Caged Needle Roller Bearings, High Carbon Steel, With Oil Hole |
| Official Bearing Family | — | Needle Roller Bearings |
| Official Bearing Type | — | Machined Type Needle Roller Bearings |
| Construction | Needle roller bearings RNA, to DIN 617/ISO 1206 | — |
| Technical Data | ||
| Rolling Element | — | Roller |
| Relubricatable | — | Yes |
| Under Roller Diameter (Fw) | 240 mm | — |
| Outside Diamater (D) | 270 mm | — |
| Total Width (B) | 50 mm | — |
| Basic Dynamic Load Rating, Radial (Cr) | 275,000 N | — |
| Basic Static Load Rating, Radial (C0R) | 790,000 N | — |
| Operating Temperature Min. (Tmin) | -30 °C | — |
| Limiting Speed For Grease Lubrication (Ng Grea) | 1,190 1/min | — |
| Operating Temperature Max. (Tmax) | 120 °C | — |
| Limiting Speed (Limiting Spe) | 1,980 1/min | — |
| Reference Speed (Nϑr) | 1,130 1/min | — |
| Width, Outer Ring (C) | 50 mm | — |
| Minimum Chamfer Dimension (Rmin) | 1.5 mm | — |
| Fatigue Load Limit, Radial (Cur) | 112,000 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.