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You entered 71944-CDGC-P4A. This table explores the base group 71944; it does not preserve or approve every requested suffix. Search your complete marking first →
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“71944” across 2 loaded brands
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Technical comparison
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| 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.