Cross-brand designation analysis
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Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
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One base designation across loaded brands
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Data incomplete
“51188” across 2 loaded brands
The base designation is shared, but too few brands have complete boundary dimensions. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| 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 |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.