Cross-brand designation analysis
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“71944” across 2 loaded brands
At least two brands share the same bore, outside diameter and width. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | SKF71944 CD/P4A220 × 300 × 38 mm | FAG71944-MP-UA220 × 300 × 38 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | FAG |
| Designation | 71944 CD/P4A | 71944-MP-UA |
| Product family | Super-precision angular contact ball bearings | — |
| Detailed type | Super-precision, high-capacity, single row angular contact ball bearing | Angular contact ball bearings |
| Series | — | 71944 |
| Bore diameterd | 220 mm | 220 mm |
| Outside diameterD | 300 mm | 300 mm |
| WidthB | 38 mm | 38 mm |
| Basic dynamic load ratingC | 221 kN | 184 kN |
| Basic static load ratingC0 | 300 kN | 248 kN |
| Fatigue load limitPu | 7.8 kN | 9 kN |
| Reference speednref | — | 2090 r/min |
| Limiting speednG | — | 3200 r/min |
| Mass≈m | 6.59 kg | 7.52 kg |
| Precision class | — | PN — Normal (ISO 492:2023) |
| Sealing | Without | Without — Not sealed |
| Cage | — | MP — Solid brass cage, ball guided |
| Bearing material | Bearing steel | — |
| Lubricant | None | Without — Bearing not greased |
| Minimum operating temperatureTmin | — | -30 °C |
| Maximum operating temperatureTmax | — | 200 °C |
| Additional information | ||
| Tolerance for axial clearance or preload per setTol(+) | — | 16 µm |
| Tolerance for axial clearance or preload per setTol(+) | — | 0.00063 in |
| Axial clearance per set min.Amin | — | 100 mm |
| Axial clearance per set min.Amin | — | 3.937 in |
| Capabilities & suitability | ||
| Radial load capacity | — | Yes |
| Axial load capacity in one direction | — | Yes |
| Suitable for grease lubrication | — | Yes |
| Suitable for oil lubrication | — | Yes |
| Unsealed design | — | Yes |
| Dimensions | ||
| Contact angle | 15.0 ° | — |
| Minimum chamfer dimensionrmin | — | 2.1 mm |
| Minimum chamfer dimensionrmin | — | 0.083 in |
| Minimum chamfer dimensionr1 min | — | 1.1 mm |
| Minimum chamfer dimensionr1 min | — | 0.043 in |
| Shoulder diameter on outer ring wide side faceD1 | — | 268 mm |
| Shoulder diameter on outer ring wide side faceD1 | — | 10.551 in |
| Shoulder diameter on inner ring wide side faced1 | — | 251 mm |
| Shoulder diameter on inner ring wide side faced1 | — | 9.882 in |
| Distance between the apexes of the pressure conesa | — | 94.1 mm |
| Distance between the apexes of the pressure conesa | — | 3.705 in |
| Contact angleα | 15 ° | 30 ° |
| Engineering — Abutment dimensions | ||
| Diameter of shaft abutmentd a | min. 231 mm | — |
| Diameter of shaft abutmentd b | min. 231 mm | — |
| Diameter of housing abutmentD a | max. 289 mm | — |
| Diameter of housing abutmentD b | max. 295 mm | — |
| Radius of filletr a | max. 2 mm | — |
| Radius of filletr b | max. 1 mm | — |
| Position of oil nozzled n | 251.4 mm | — |
| Engineering — Calculation data | ||
| Attainable speed for grease lubrication | 4300.0 r/min | — |
| Attainable speed for oil-air lubrication | 6300.0 r/min | — |
| Ball diameterD w | 25.4 mm | — |
| Number of rowsi | 1 | — |
| Number of balls (per bearing)z | 29 | — |
| Reference grease quantity (per bearing)G ref | 84 cm³ | — |
| Engineering — Calculation data — Correction factors for preload calculation | ||
| Correction factor dependent on bearing series and sizef | 1.3 | — |
| Correction factor dependent on contact anglef 1 | 1 | — |
| Correction factor, preload class Af 2A | 1 | — |
| Correction factor, preload class Bf 2B | 1 | — |
| Correction factor, preload class Cf 2C | 1.1 | — |
| Correction factor, preload class Df 2D | 1.2 | — |
| Correction factor for hybrid bearingsf HC | 1 | — |
| Engineering — Calculation data — Factors for equivalent bearing load calculation | ||
| Calculation factor for equivalent loadsf 0 | 16.5 | — |
| Additional factors for equivalent loads | Refer to Notes 1 and 2 below | — |
| Engineering — Calculation data — Preload and stiffness (back-to-back, face-to-face) | ||
| Preload, class AG A | 850 N | — |
| Axial stiffnes for preload A (sets of two brgs back to back or face to face) | 224 N/µm | — |
| Preload, class BG B | 1700 N | — |
| Axial stiffness for preload B (sets of two brgs back-to-back or face-to-face) | 306 N/µm | — |
| Preload, class CG C | 3400 N | — |
| Axial stiffness for preload C (sets of two brgs back-to-back or face-to-face) | 434 N/µm | — |
| Preload, class DG D | 6800 N | — |
| Axial stiffness for preload D (sets of two brgs back-to-back or face-to-face) | 635 N/µm | — |
| Engineering — Dimensions | ||
| Shoulder diameter of inner ring (large side face)d 1 | 244.7 mm | — |
| Shoulder diameter of inner ring (small side face)d 2 | 244.7 mm | — |
| Shoulder diameter of outer ring (large side face)D 1 | 275.3 mm | — |
| Chamfer dimensionr 1,2 | min. 2.1 mm | — |
| Chamfer dimensionr 3,4 | min. 1 mm | — |
| Distance from side face to pressure pointa | 54 mm | — |
| Engineering — Engineering specifications | ||
| Universal matching bearing(s) | No | — |
| Logistics | ||
| Product net weight | 6.59 kg | — |
| eClass code | 23-05-08-04 | — |
| UNSPSC code | 31171531 | — |
| Main Dimensions & Performance Data | ||
| Basic dynamic load rating, radialCr | — | 184,000 N |
| Basic dynamic load rating, radialCr | — | 41,366.906 lbf |
| Basic static load rating, radialC0r | — | 248,000 N |
| Basic static load rating, radialC0r | — | 55,755.396 lbf |
| Fatigue load limit, radialCur | — | 9,000 N |
| Fatigue load limit, radialCur | — | 2,023.381 lbf |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 359228 |
| Base Type | — | 71944 |
| Old Designation | — | ["71944MP.UA"] |
| Gpsd Group | — | S03 |
| Product Line Id | — | 14 |
| SAP material number | — | 0191139860000 |
| Base product | — | 2305080301 |
| Bearing X designation | — | 71944-MP-UA |
| Mounting Manager ID | — | 71944-MP-UA |
| Grease application ID | — | 71944-MP-UA |
| Mounting dimensions | ||
| Minimum diameter of shaft shoulderda min | — | 230.2 mm |
| Minimum diameter of shaft shoulderda min | — | 9.063 in |
| Maximum diameter of housing shoulderDa max | — | 289.8 mm |
| Maximum diameter of housing shoulderDa max | — | 11.409 in |
| Maximum diameter of housing shoulderDb max | — | 294 mm |
| Maximum diameter of housing shoulderDb max | — | 11.575 in |
| Maximum fillet radius of shaftra max | — | 2.1 mm |
| Maximum fillet radius of shaftra max | — | 0.083 in |
| Maximum fillet radius of housingra1 max | — | 1 mm |
| Maximum fillet radius of housingra1 max | — | 0.039 in |
| Product characteristics | ||
| Type of SealWithout | — | Not sealed |
| Tolerance classPN | — | Normal (ISO 492:2023) |
| Dimensional / heat stabilizationS1 | — | Rings dimensional stabilized up to 200° |
| Bearing with matched conditions for fitting in pairsUA | — | Bearing set with small axial internal clearance |
| Product identity | ||
| Official product category | Super-precision angular contact ball bearings | — |
| Official taxonomy path | /products/super-precision-bearings/angular-contact-ball-bearings | — |
| Structure group ID | BA1_010 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Construction | — | Angular contact ball bearing 719..-MP, single row, solid brass cage |
| Short Description | — | Angular contact ball bearing |
| Properties | ||
| Contact type | Normal contact (two-point contact) | — |
| Number of rows | 1 | — |
| Ring type | One-piece inner and outer rings | — |
| Design | High-capacity D | — |
| Universal matching bearing | No | — |
| Matched arrangement | No | — |
| Matched condition (axial clearance/ preload) | Not applicable | — |
| Tolerance class | P4A | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Indicative carbon footprint for new product | 24.4 kg CO 2 e | — |
| Technical Data | ||
| Bore Diameter (D) | — | 220 mm |
| Outside Diameter (D) | — | 300 mm |
| Width (B) | — | 38 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 184,000 N |
| Basic Static Load Rating, Radial (C0R) | — | 248,000 N |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Limiting Speed (Ng) | — | 3,200 1/min |
| Operating Temperature Max. (Tmax) | — | 200 °C |
| Reference Speed (Nϑr) | — | 2,090 1/min |
| Maximum Diameter Of Housing Shoulder (Db Max) | — | 294 mm |
| Tolerance For Axial Clearance Or Preload Per Set (Tol(+)) | — | 16 µm |
| Fatigue Load Limit, Radial (Cur) | — | 9,000 N |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 230.2 mm |
| Shoulder Diameter Inner Ring (D1) | — | 251 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 289.8 mm |
| Minimum Chamfer Dimension (Rmin) | — | 2.1 mm |
| Maximum Fillet Radius (Ra Max) | — | 2.1 mm |
| Maximum Recess Radius (Ra1 Max) | — | 1 mm |
| Shoulder Diameter Outer Ring (D1) | — | 268 mm |
| Minimum Chamfer Dimension (R1 Min) | — | 1.1 mm |
| Contact Angle (Α) | — | 30 ° |
| Distance Between The Apexes Of The Pressure Cones (A) | — | 94.1 mm |
| 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.