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| Parameter | SKF61980 MA400 × 540 × 65 mm | FAG61980-M400 × 540 × 65 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | FAG |
| Designation | 61980 MA | 61980-M |
| Product family | Deep groove ball bearings | — |
| Detailed type | Deep groove ball bearings | Deep groove ball bearings |
| Series | — | 61980 |
| Bore diameterd | 400 mm | 400 mm |
| Outside diameterD | 540 mm | 540 mm |
| WidthB | 65 mm | 65 mm |
| Basic dynamic load ratingC | 345 kN | 375 kN |
| Basic static load ratingC0 | 570 kN | 620 kN |
| Fatigue load limitPu | 11.2 kN | 16.2 kN |
| Reference speednref | 2200 r/min | 1360 r/min |
| Limiting speednG | 1800 r/min | 1960 r/min |
| Mass≈m | 43.8 kg | 41.4 kg |
| Precision class | Normal | PN — Normal (ISO 492:2023) |
| Internal clearance | CN | CN (Group N) — Normal internal clearance |
| Sealing | Without | Without — Not sealed |
| Cage | Machined brass | M — Solid brass cage, rolling element guided |
| Bearing material | Bearing steel | — |
| Lubricant | None | Without — Bearing not greased |
| Minimum operating temperatureTmin | — | -30 °C |
| Maximum operating temperatureTmax | — | 200 °C |
| Calculation factors | ||
| Calculation factorf0 | — | 16.5 |
| Capabilities & suitability | ||
| Radial load capacity | — | Yes |
| Axial load capacity in one direction | — | Yes |
| Axial load capacity in both directions | — | Yes |
| Suitable for grease lubrication | — | Yes |
| Suitable for oil lubrication | — | Yes |
| Unsealed design | — | Yes |
| Largebearing | — | Yes |
| Dimensions | ||
| Minimum chamfer dimensionrmin | — | 4 mm |
| Minimum chamfer dimensionrmin | — | 0.157 in |
| Shoulder diameter outer ringD1 | — | 498.15 mm |
| Shoulder diameter outer ringD1 | — | 19.612 in |
| Shoulder diameter inner ringd1 | — | 443.4 mm |
| Shoulder diameter inner ringd1 | — | 17.457 in |
| Engineering — Abutment dimensions | ||
| Diameter of shaft abutmentd a | min. 415 mm | — |
| Diameter of housing abutmentD a | max. 525 mm | — |
| Radius of shaft or housing filletr a | max. 3 mm | — |
| Engineering — Calculation data | ||
| Minimum load factork r | 0.02 | — |
| Calculation factorf 0 | 16.7 | — |
| 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 diameterd 1 | ≈ 495.96 mm | — |
| Chamfer dimensionr 1,2 | min. 4 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 | 43.8 kg | — |
| eClass code | 23-05-08-01 | — |
| UNSPSC code | 31171504 | — |
| Main Dimensions & Performance Data | ||
| Basic dynamic load rating, radialCr | — | 375,000 N |
| Basic dynamic load rating, radialCr | — | 84,307.554 lbf |
| Basic static load rating, radialC0r | — | 620,000 N |
| Basic static load rating, radialC0r | — | 139,388.489 lbf |
| Fatigue load limit, radialCur | — | 16,200 N |
| Fatigue load limit, radialCur | — | 3,642.086 lbf |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 350702 |
| Base Type | — | 61980 |
| Old Designation | — | ["61980M"] |
| Gpsd Group | — | S02 |
| Product Line Id | — | 14 |
| X Life Marking | — | n.r. |
| SAP material number | — | 0190994100000 |
| Base product | — | 2305080101 |
| Bearing X designation | — | 61980-M |
| Mounting Manager ID | — | 61980-M |
| Grease application ID | — | 61980-M |
| Mounting dimensions | ||
| Minimum diameter shaft shoulderda min | — | 414.6 mm |
| Minimum diameter 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 fillet radiusra max | — | 3 mm |
| Maximum fillet radiusra max | — | 0.118 in |
| Product characteristics | ||
| Type of SealWithout | — | Not sealed |
| Tolerance classPN | — | Normal (ISO 492:2023) |
| Dimensional / heat stabilizationS1 | — | Rings dimensional stabilized up to 200° |
| Radial internal clearanceCN (Group N) | — | Normal internal clearance |
| Bore typeZ | — | Cylindrical |
| Product identity | ||
| Official product category | Deep groove ball bearings | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/deep-groove-ball-bearings | — |
| Structure group ID | BB1_001_101 | — |
| Available from SKF | Yes | — |
| Remanufacturable | Yes | — |
| Product Identity | ||
| Construction | — | Deep groove ball bearing 619..-M, single row, solid brass cage |
| Short Description | — | Deep groove ball bearing |
| Properties | ||
| Filling slots | Without | — |
| Number of rows | 1 | — |
| Locating feature, bearing outer ring | Without | — |
| Bore type | Cylindrical | — |
| Matched arrangement | No | — |
| Radial internal clearance | CN | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Relubrication feature | Without | — |
| Candidate for remanufacturing | Yes | — |
| Indicative carbon footprint for new product | 162.0 kg CO 2 e | — |
| Indicative carbon footprint for remanufactured product | 53.9 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) | — | 375,000 N |
| Basic Static Load Rating, Radial (C0R) | — | 620,000 N |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Limiting Speed (Ng) | — | 1,960 1/min |
| Operating Temperature Max. (Tmax) | — | 200 °C |
| Reference Speed (Nϑr) | — | 1,360 1/min |
| Calculation Factor (F0) | — | 16.5 |
| Fatigue Load Limit, Radial (Cur) | — | 16,200 N |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 414.6 mm |
| Shoulder Diameter Inner Ring (D1) | — | 443.4 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 525.4 mm |
| Minimum Chamfer Dimension (Rmin) | — | 4 mm |
| Maximum Fillet Radius (Ra Max) | — | 3 mm |
| Shoulder Diameter Outer Ring (D1) | — | 498.15 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.