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| Parameter | SKF71980 AM400 × 540 × 65 mm | FAG71980-MP400 × 540 × 65 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | FAG |
| Designation | 71980 AM | 71980-MP |
| Product family | Angular contact ball bearings | — |
| Detailed type | Single row angular contact ball bearing | Angular contact ball bearings |
| Series | — | 71980 |
| Bore diameterd | 400 mm | 400 mm |
| Outside diameterD | 540 mm | 540 mm |
| WidthB | 65 mm | 65 mm |
| Basic dynamic load ratingC | 403 kN | 410 kN |
| Basic static load ratingC0 | 735 kN | 770 kN |
| Fatigue load limitPu | 15.3 kN | 20.9 kN |
| Reference speednref | 1200 r/min | 1040 r/min |
| Limiting speednG | 1200 r/min | 1690 r/min |
| Mass≈m | 39 kg | 39.4 kg |
| Precision class | Normal | PN — Normal (ISO 492:2023) |
| Sealing | Without | Without — Not sealed |
| Cage | Machined brass | 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 |
| 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 |
| Largebearing | — | Yes |
| Dimensions | ||
| Contact angle | 30.0 ° | — |
| Minimum chamfer dimensionrmin | — | 4 mm |
| Minimum chamfer dimensionrmin | — | 0.157 in |
| Minimum chamfer dimensionr1 min | — | 1.5 mm |
| Minimum chamfer dimensionr1 min | — | 0.059 in |
| Shoulder diameter on outer ring wide side faceD1 | — | 488.3 mm |
| Shoulder diameter on outer ring wide side faceD1 | — | 19.224 in |
| Shoulder diameter on inner ring wide side faced1 | — | 452 mm |
| Shoulder diameter on inner ring wide side faced1 | — | 17.795 in |
| Distance between the apexes of the pressure conesa | — | 168.2 mm |
| Distance between the apexes of the pressure conesa | — | 6.622 in |
| Contact angleα | — | 30 ° |
| Engineering — Abutment dimensions | ||
| Diameter of shaft abutmentd a | min. 415 mm | — |
| Abutment diameter housingD a | max. 525 mm | — |
| Diameter of housing abutmentD b | max. 533 mm | — |
| Radius of filletr a | max. 3 mm | — |
| Radius of filletr b | max. 1.5 mm | — |
| Engineering — Calculation data | ||
| Minimum axial load factorA | 4.4 | — |
| Minimum radial load factork r | 0.08 | — |
| Limiting valuee | 0.8 | — |
| Engineering — Calculation data — Bearing pair arranged back-to-back or face-to-face | ||
| Calculation factor (back-to-back, face-to-face)X | 0.63 | — |
| Calculation factor (back-to-back, face-to-face)Y 0 | 0.66 | — |
| Calculation factor (back-to-back, face-to-face)Y 1 | 0.78 | — |
| Calculation factor (back-to-back, face-to-face)Y 2 | 1.2 | — |
| Engineering — Calculation data — Single bearing or bearing pair arranged in tandem | ||
| Calculation factor (single, tandem)X | 0.39 | — |
| Calculation factor (single, tandem)Y 0 | 0.33 | — |
| Calculation factor (single, tandem)Y 2 | 0.76 | — |
| Engineering — Dimensions | ||
| Deviation limits of mid-range bore diametert Δdmp | -0.04 to 0 mm | — |
| Deviation limits of mid-range outside diametert ΔDmp | -0.05 to 0 mm | — |
| Deviation limits of ring widtht ΔBs | -0.4 to 0 mm | — |
| Shoulder diameter of inner ring (large side face)d 1 | ≈ 447.4 mm | — |
| Shoulder diameter of outer ring (large side face)D 1 | ≈ 495.55 mm | — |
| Distance side face to pressure pointa | 168 mm | — |
| Chamfer dimensionr 1,2 | min. 4 mm | — |
| Chamfer dimensionr 3,4 | min. 1.5 mm | — |
| ISO tolerance class for dimensions | Normal | — |
| Engineering — Tolerances of run-out | ||
| Range of section height at inner ring of assembled bearingt Kia | 60 µm | — |
| Range of section height at outer ring of assembled bearingt Kea | 100 µm | — |
| ISO tolerance class for geometrical tolerances | Normal | — |
| Logistics | ||
| Product net weight | 39.0 kg | — |
| Main Dimensions & Performance Data | ||
| Basic dynamic load rating, radialCr | — | 410,000 N |
| Basic dynamic load rating, radialCr | — | 92,176.259 lbf |
| Basic static load rating, radialC0r | — | 770,000 N |
| Basic static load rating, radialC0r | — | 173,111.511 lbf |
| Fatigue load limit, radialCur | — | 20,900 N |
| Fatigue load limit, radialCur | — | 4,698.741 lbf |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 1794523 |
| Base Type | — | 71980 |
| Product Line Id | — | 14 |
| X Life Marking | — | n.r. |
| Base product | — | 2305080301 |
| Bearing X designation | — | 71980-MP |
| Mounting Manager ID | — | 71980-MP |
| Grease application ID | — | 71980-MP |
| Mounting dimensions | ||
| Minimum diameter of shaft shoulderda min | — | 414.6 mm |
| Minimum diameter of shaft shoulderda min | — | 16.323 in |
| Maximum diameter of housing shoulderDa max | — | 525.4 mm |
| Maximum diameter of housing shoulderDa max | — | 20.685 in |
| Maximum diameter of housing shoulderDb max | — | 533 mm |
| Maximum diameter of housing shoulderDb max | — | 20.984 in |
| Maximum fillet radius of shaftra max | — | 3 mm |
| Maximum fillet radius of shaftra max | — | 0.118 in |
| Maximum fillet radius of housingra1 max | — | 1.5 mm |
| Maximum fillet radius of housingra1 max | — | 0.059 in |
| Product characteristics | ||
| Type of SealWithout | — | Not sealed |
| Tolerance classPN | — | Normal (ISO 492:2023) |
| Dimensional / heat stabilizationS1 | — | Rings dimensional stabilized up to 200° |
| Product identity | ||
| Official product category | Angular contact ball bearings | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/angular-contact-ball-bearings/single-row-angular-contact-ball-bearings | — |
| Structure group ID | BA1_001_101 | — |
| Available from SKF | Yes | — |
| Remanufacturable | Yes | — |
| 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 | — |
| Locating feature, bearing outer ring | Without | — |
| Ring type | One-piece inner and outer rings | — |
| Matched arrangement | No | — |
| Axial internal clearance | Not applicable | — |
| Tolerance class | Normal | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Relubrication feature | Without | — |
| Indicative carbon footprint for new product | 144.0 kg CO 2 e | — |
| Technical Data | ||
| Bore Diameter (D) | — | 400 mm |
| Outside Diameter (D) | — | 540 mm |
| Width (B) | — | 65 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 410,000 N |
| Basic Static Load Rating, Radial (C0R) | — | 770,000 N |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Limiting Speed (Ng) | — | 1,690 1/min |
| Operating Temperature Max. (Tmax) | — | 200 °C |
| Reference Speed (Nϑr) | — | 1,040 1/min |
| Maximum Diameter Of Housing Shoulder (Db Max) | — | 533 mm |
| Fatigue Load Limit, Radial (Cur) | — | 20,900 N |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 414.6 mm |
| Shoulder Diameter Inner Ring (D1) | — | 452 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 525.4 mm |
| Minimum Chamfer Dimension (Rmin) | — | 4 mm |
| Maximum Fillet Radius (Ra Max) | — | 3 mm |
| Maximum Recess Radius (Ra1 Max) | — | 1.5 mm |
| Shoulder Diameter Outer Ring (D1) | — | 488.3 mm |
| Minimum Chamfer Dimension (R1 Min) | — | 1.5 mm |
| Contact Angle (Α) | — | 30 ° |
| Distance Between The Apexes Of The Pressure Cones (A) | — | 168.2 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 |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.