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| Parameter | SKFK 81111 TN55 × 78 × mm | INAK81111-TV55 × 78 × 6 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | K 81111 TN | K81111-TV |
| Product family | Cylindrical roller thrust bearings | — |
| Detailed type | Cylindrical roller and cage thrust assembly | Axial cyl roller and cage assy -ls |
| Series | — | K81111 |
| Bore diameterd | 55 mm | 55 mm |
| Outside diameterD | 78 mm | 78 mm |
| WidthB | — | 6 mm |
| HeightH | 6 mm | — |
| Basic dynamic load ratingC | 69.5 kN | — |
| Basic static load ratingC0 | 285 kN | — |
| Fatigue load limitPu | 31 kN | — |
| Reference speednref | 1500 r/min | 1330 r/min |
| Limiting speednG | 3000 r/min | 4350 r/min |
| Mass≈m | 0.0574 kg | 0.05759 kg |
| Cage | Non-metallic | — |
| Bearing material | Bearing steel | — |
| Minimum operating temperatureTmin | — | -30 °C |
| Maximum operating temperatureTmax | — | 120 °C |
| Engineering — Associated products | ||
| Shaft washer | WS 81111 | — |
| Housing washer | GS 81111 | — |
| Universal washer | LS 5578 | — |
| Engineering — Calculation data | ||
| Minimum axial load factorA | 0.006 | — |
| Engineering — Dimensions | ||
| Diameter rollerD w | 6 mm | — |
| Raceway diameter (min.) roller and cage thrust assemblyE a | 57 mm | — |
| Raceway diameter (max.) roller and cage thrust assemblyE b | 77 mm | — |
| Logistics | ||
| Product net weight | 0.0574 kg | — |
| UNSPSC code | 31171505 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 397083 |
| Base Type | — | K81111 |
| Gpsd Group | — | I02 |
| Product Line Id | — | 12 |
| X Life Marking | — | n.r. |
| Product identity | ||
| Official product category | Cylindrical roller thrust bearings | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/cylindrical-roller-thrust-bearings | — |
| Structure group ID | BGS_001_002_003 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Construction | — | Axial cylindrical roller and cage assembly K811, single direction, suitable for combination with axial bearing washers |
| Short Description | — | Axial cyl roller and cage assy -LS |
| Properties | ||
| Bearing part | Roller and cage assembly | — |
| Axial load capability | Single-direction | — |
| Number of rows | 1 | — |
| Tolerance class | Normal | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Indicative carbon footprint for new product | 0.21 kg CO 2 e | — |
| Technical Data | ||
| Bore Diameter Cage (Dc1) | — | 55 mm |
| Cage Outer Diameter (Dc) | — | 78 mm |
| Rolling Element Diameter (Dw) | — | 6 mm |
| Basic Dynamic Load Rating, Axial (Ca) | — | 90,000 N |
| Basic Static Load Rating, Axial (C0A) | — | 300,000 N |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Raceway Dimension (Eb) | — | 57 mm |
| Operating Temperature Max. (Tmax) | — | 120 °C |
| Limiting Speed (Limiting Spe) | — | 4,350 1/min |
| Reference Speed (Nϑr) | — | 1,330 1/min |
| Fatigue Load Limit, Axial (Cua) | — | 31,500 N |
| Raceway Dimension (Ea) | — | 77 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.