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| Parameter | SKF51188 F440 × 540 × mm | FAG51188-MP440 × 540 × 80 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | FAG |
| Designation | 51188 F | 51188-MP |
| Product family | Thrust ball bearings | — |
| Detailed type | Single direction thrust ball bearing | Axial deep groove ball bearings |
| Series | — | 51188 |
| Bore diameterd | 440 mm | 440 mm |
| Outside diameterD | 540 mm | 540 mm |
| WidthB | — | 80 mm |
| HeightH | 80 mm | — |
| Basic dynamic load ratingC | 527 kN | — |
| Basic static load ratingC0 | 3250 kN | — |
| Fatigue load limitPu | 55 kN | — |
| Reference speednref | 600 r/min | 740 r/min |
| Limiting speednG | 850 r/min | 900 r/min |
| Mass≈m | 40.2 kg | 40 kg |
| Precision class | — | PN — Normal (ISO 492:2023) |
| Cage | Machined brass | MP — Solid brass cage, rolling element guided |
| Bearing material | Bearing steel | — |
| Minimum operating temperatureTmin | — | -30 °C |
| Maximum operating temperatureTmax | — | 200 °C |
| Calculation factors | ||
| Minimum load factorA | 55 | 47 |
| Capabilities & suitability | ||
| Axial load capacity in one direction | — | Yes |
| Suitable for grease lubrication | — | Yes |
| Suitable for oil lubrication | — | Yes |
| Unsealed design | — | Yes |
| Largebearing | — | Yes |
| Dimensions | ||
| Minimum chamfer dimensionrmin | — | 2.1 mm |
| Minimum chamfer dimensionrmin | — | 0.083 in |
| Inner diameter housing washerD1 | — | 444 mm |
| Inner diameter housing washerD1 | — | 17.48 in |
| Outer diameter shaft washerd1 | — | 535 mm |
| Outer diameter shaft washerd1 | — | 21.063 in |
| Engineering — Abutment dimensions | ||
| Abutment diameter shaftd a | min. 500 mm | — |
| Abutment diameter housingD a | max. 480 mm | — |
| Fillet radiusr a | max. 2 mm | — |
| Engineering — Dimensions | ||
| Outside diameter shaft washerd 1 | ≈ 535 mm | — |
| Inner diameter housing washerD 1 | ≈ 444 mm | — |
| Chamfer dimension washerr 1,2 | min. 2.1 mm | — |
| Logistics | ||
| Product net weight | 40.2 kg | — |
| eClass code | 23-05-10-01 | — |
| UNSPSC code | 31171507 | — |
| Main Dimensions & Performance Data | ||
| Inner diameter shaft washerd | — | 440 mm |
| Inner diameter shaft washerd | — | 17.323 in |
| Outer diameter housing washerD | — | 540 mm |
| Outer diameter housing washerD | — | 21.26 in |
| Basic dynamic load rating, axialCa | — | 530,000 N |
| Basic dynamic load rating, axialCa | — | 119,154.676 lbf |
| Basic static load rating, axialC0a | — | 3,000,000 N |
| Basic static load rating, axialC0a | — | 674,460.432 lbf |
| Fatigue load limit, axialCua | — | 62,000 N |
| Fatigue load limit, axialCua | — | 13,938.849 lbf |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 394512 |
| Base Type | — | 51188 |
| Old Designation | — | ["51188MP"] |
| Gpsd Group | — | S02 |
| Product Line Id | — | 14 |
| X Life Marking | — | n.r. |
| SAP material number | — | 0190616760000 |
| Base product | — | 2305100101 |
| Bearing X designation | — | 51188-MP |
| Mounting Manager ID | — | 51188-MP |
| Grease application ID | — | 51188-MP |
| Mounting dimensions | ||
| Minimum diameter shaft shoulderda min | — | 500 mm |
| Minimum diameter shaft shoulderda min | — | 19.685 in |
| Maximum diameter of housing shoulderDa max | — | 480 mm |
| Maximum diameter of housing shoulderDa max | — | 18.898 in |
| Maximum filled radiusra max | — | 2.1 mm |
| Maximum filled radiusra max | — | 0.083 in |
| Product characteristics | ||
| Tolerance classPN | — | Normal (ISO 492:2023) |
| Dimensional / heat stabilizationS1 | — | Rings dimensional stabilized up to 200° |
| Product identity | ||
| Official product category | Thrust ball bearings | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/thrust-ball-bearings | — |
| Structure group ID | BD1_001_BDC_001 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Construction | — | Axial deep groove ball bearing 511..-MP, single direction, solid brass cage |
| Short Description | — | Axial deep groove ball bearing |
| Properties | ||
| Axial load capability | Single-direction | — |
| Number of rows | 1 | — |
| Housing washer type | Flat | — |
| Tolerance class | Normal | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Indicative carbon footprint for new product | 149.0 kg CO 2 e | — |
| Technical Data | ||
| Bore Diameter (D) | — | 440 mm |
| Outside Diameter (D) | — | 540 mm |
| Width (B) | — | 80 mm |
| Basic Dynamic Load Rating, Axial (Ca) | — | 530,000 N |
| Basic Static Load Rating, Axial (C0A) | — | 3,000,000 N |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Limiting Speed (Ng) | — | 900 1/min |
| Operating Temperature Max. (Tmax) | — | 200 °C |
| Reference Speed (Nϑr) | — | 740 1/min |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 500 mm |
| Minimum Load Factor (A) | — | 47 |
| Rip Diameter Shaft Washer (D1) | — | 535 mm |
| Bore Diameter Housing Washer (D1) | — | 444 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 480 mm |
| Minimum Chamfer Dimension (Rmin) | — | 2.1 mm |
| Maximum Fillet Radius (Ra Max) | — | 2.1 mm |
| Fatigue Load Limit, Axial (Cua) | — | 62,000 N |
| Temperature range | ||
| Operating temperature min.Tmin | — | -30 °C |
| Operating temperature min.Tmin | — | -22 °F |
| Operating temperature max.Tmax | — | 200 °C |
| Operating temperature max.Tmax | — | 392 °F |
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.