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| Parameter | SKFIR 50X55X20 IS150 × 55 × 20 mm | INAIR50X55X20-XL50 × 55 × 20 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | IR 50X55X20 IS1 | IR50X55X20-XL |
| Product family | Inner rings | — |
| Detailed type | Inner ring for needle roller bearings, ir series, with lubrication feature | Inner rings |
| Series | — | IR50X55X20 |
| Bore diameterd | 50 mm | 50 mm |
| Outside diameterD | 55 mm | 55 mm |
| WidthB | 20 mm | 20 mm |
| Mass≈m | 0.063 kg | 0.06402 kg |
| Internal clearance | CN | — |
| Dimensions | ||
| Raceway diameter | 55.0 mm | — |
| Engineering — Dimensions | ||
| Raceway diameterF | 55 mm | — |
| Chamfer dimension inner ringr, r 1,2 | min. 0.6 mm | — |
| Logistics | ||
| Product net weight | 0.063 kg | — |
| eClass code | 23-05-09-03 | — |
| UNSPSC code | 31171512 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 1139039 |
| Base Type | — | IR50X55X20 |
| Gpsd Group | — | I01 |
| Product Line Id | — | 09 |
| X Life Marking | — | XL |
| Product identity | ||
| Official product category | Inner rings | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/needle-roller-bearings/needle-roller-bearing-components | — |
| Structure group ID | BN1_006 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Construction | — | Inner ring IR..-XL, cylindrical |
| Short Description | — | Inner ring |
| Properties | ||
| Special raceway feature | None | — |
| Radial internal clearance | CN | — |
| Tolerance class | Normal | — |
| Material | Bearing steel | — |
| Coating | Without | — |
| Relubrication feature | With | — |
| Technical Data | ||
| Bore Diameter (D) | — | 50 mm |
| Raceway Diameter Inner Ring (F) | — | 55 mm |
| Total Width (B) | — | 20 mm |
| Raceway Diameter Upper Tolerance (Raceway Diam) | — | 0 mm |
| Minimum Chamfer Dimension (Rmin) | — | 0.6 mm |
| Raceway Diameter Lower Tolerance (Raceway Diam) | — | -0.011 mm |
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.