Cross-brand designation analysis
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Same-model Comparison
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
“81188” 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 | SKF81188 M440 × 540 × mm | INA81188-M440 × 540 × 80 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | 81188 M | 81188-M |
| Product family | Cylindrical roller thrust bearings | — |
| Detailed type | Single row cylindrical roller thrust bearing, single direction | Axial cylindrical roller bearing |
| Series | — | 81188 |
| Bore diameterd | 440 mm | 440 mm |
| Outside diameterD | 540 mm | 540 mm |
| WidthB | — | 80 mm |
| HeightH | 80 mm | — |
| Basic dynamic load ratingC | 1430 kN | — |
| Basic static load ratingC0 | 8000 kN | — |
| Fatigue load limitPu | 550 kN | — |
| Reference speednref | 300 r/min | 189 r/min |
| Limiting speednG | 600 r/min | 590 r/min |
| Mass≈m | 44 kg | 43.2 kg |
| Bearing material | Bearing steel | — |
| Minimum operating temperatureTmin | — | -30 °C |
| Maximum operating temperatureTmax | — | 120 °C |
| Engineering — Abutment dimensions | ||
| Abutment diameter shaftd a | min. 533 mm | — |
| Abutment diameter housingD a | max. 459 mm | — |
| Fillet radiusr a | max. 2 mm | — |
| Engineering — Calculation data | ||
| Minimum axial load factorA | 5.1 | — |
| Engineering — Dimensions | ||
| Outside diameter shaft washerd 1 | 535 mm | — |
| Bore diameter housing washerD 1 | 444 mm | — |
| Height shaft washerB | 24 mm | — |
| Chamfer dimension housing washerr 1,2 | min. 2.1 mm | — |
| Engineering — Included products | ||
| Roller and cage thrust assembly | K-81188 M | — |
| Shaft washer | IW-81188 | — |
| Housing washer | OW-81188 | — |
| Logistics | ||
| Product net weight | 44.0 kg | — |
| eClass code | 23-05-11-01 | — |
| UNSPSC code | 31171507 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 395839 |
| Base Type | — | 81188 |
| Old Designation | — | ["811 88 M"] |
| Gpsd Group | — | I02 |
| Product Line Id | — | 75 |
| 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 bearing 811..-M, single row |
| Short Description | — | Axial cylindrical roller bearing |
| Properties | ||
| Bearing part | Complete bearing | — |
| Axial load capability | Single-direction | — |
| Number of rows | 1 | — |
| Tolerance class | Normal | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Indicative carbon footprint for new product | 163.0 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) | — | 1,790,000 N |
| Basic Static Load Rating, Axial (C0A) | — | 8,200,000 N |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Minimum Diameter Shaft Shoulder (Da) | — | 533 mm |
| Operating Temperature Max. (Tmax) | — | 120 °C |
| Limiting Speed (Ng) | — | 590 1/min |
| Reference Speed (Nϑr) | — | 189 1/min |
| Maximum Diameter Of Housing Shoulder (Da) | — | 454 mm |
| Rip Diameter Shaft Washer (D1) | — | 535 mm |
| Bore Diameter Housing Washer (D1) | — | 444 mm |
| Minimum Chamfer Dimension (Rmin) | — | 2.1 mm |
| Fatigue Load Limit, Axial (Cua) | — | 640,000 N |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.