Cross-brand designation analysis
COMPARE / VERIFY
Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
Automatic candidate selection
One base designation across loaded brands
Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Data incomplete
“81144” 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 | SKF81144 M220 × 270 × mm | INA81144-M220 × 270 × 37 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | 81144 M | 81144-M |
| Product family | Cylindrical roller thrust bearings | — |
| Detailed type | Single row cylindrical roller thrust bearing, single direction | Axial cylindrical roller bearing |
| Series | — | 81144 |
| Bore diameterd | 220 mm | 220 mm |
| Outside diameterD | 270 mm | 270 mm |
| WidthB | — | 37 mm |
| HeightH | 37 mm | — |
| Basic dynamic load ratingC | 335 kN | — |
| Basic static load ratingC0 | 1700 kN | — |
| Fatigue load limitPu | 137 kN | — |
| Reference speednref | 670 r/min | 485 r/min |
| Limiting speednG | 1300 r/min | 1170 r/min |
| Mass≈m | 4.7 kg | 4.681 kg |
| Cage | Machined brass | — |
| Bearing material | Bearing steel | — |
| Minimum operating temperatureTmin | — | -30 °C |
| Maximum operating temperatureTmax | — | 120 °C |
| Engineering — Abutment dimensions | ||
| Abutment diameter shaftd a | min. 263 mm | — |
| Abutment diameter housingD a | max. 226 mm | — |
| Fillet radiusr a | max. 1.1 mm | — |
| Engineering — Calculation data | ||
| Minimum axial load factorA | 0.23 | — |
| Engineering — Dimensions | ||
| Outside diameter shaft washerd 1 | 267 mm | — |
| Bore diameter housing washerD 1 | 223 mm | — |
| Height shaft washerB | 11 mm | — |
| Chamfer dimension housing washerr 1,2 | min. 1.1 mm | — |
| Engineering — Included products | ||
| Roller and cage thrust assembly | K 81144 M | — |
| Shaft washer | WS 81144 | — |
| Housing washer | GS 81144 | — |
| Logistics | ||
| Product net weight | 4.7 kg | — |
| UNSPSC code | 31171505 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 395817 |
| Base Type | — | 81144 |
| Old Designation | — | ["81144MPB","811 44 M"] |
| Gpsd Group | — | I02 |
| Product Line Id | — | 63 |
| 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 | 17.4 kg CO 2 e | — |
| Technical Data | ||
| Bore Diameter (D) | — | 220 mm |
| Outside Diameter (D) | — | 270 mm |
| Width (B) | — | 37 mm |
| Basic Dynamic Load Rating, Axial (Ca) | — | 420,000 N |
| Basic Static Load Rating, Axial (C0A) | — | 1,730,000 N |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Minimum Diameter Shaft Shoulder (Da) | — | 263 mm |
| Operating Temperature Max. (Tmax) | — | 120 °C |
| Limiting Speed (Ng) | — | 1,170 1/min |
| Reference Speed (Nϑr) | — | 485 1/min |
| Maximum Recess Radius (Ra Max) | — | 1.1 mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 226 mm |
| Rip Diameter Shaft Washer (D1) | — | 267 mm |
| Bore Diameter Housing Washer (D1) | — | 223 mm |
| Minimum Chamfer Dimension (Rmin) | — | 1.1 mm |
| Fatigue Load Limit, Axial (Cua) | — | 148,000 N |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.