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| Parameter | SKF248/800 CAMA/W20800 × 980 × 180 mm | FAG248/800-B-MB800 × 980 × 180 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | FAG |
| Designation | 248/800 CAMA/W20 | 248/800-B-MB |
| Product family | Spherical roller bearings | — |
| Detailed type | Spherical roller bearings | Spherical roller bearings |
| Series | — | 248/800 |
| Bore diameterd | 800 mm | 800 mm |
| Outside diameterD | 980 mm | 980 mm |
| WidthB | 180 mm | 180 mm |
| Basic dynamic load ratingC | 4780 kN | 4650 kN |
| Basic static load ratingC0 | 12900 kN | 14000 kN |
| Fatigue load limitPu | — | 850 kN |
| Reference speednref | 320 r/min | 146 r/min |
| Limiting speednG | 560 r/min | 540 r/min |
| Mass≈m | 302 kg | 298 kg |
| Internal clearance | CN | CN (Group N) — Normal internal clearance |
| Sealing | Without | — |
| Cage | Machined brass | MB — Solid brass cage |
| Lubricant | None | — |
| Minimum operating temperatureTmin | — | -30 °C |
| Maximum operating temperatureTmax | — | 200 °C |
| Calculation factors | ||
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye | — | 0.16 |
| Dynamic axial load factorY1 | — | 4.11 |
| Dynamic axial load factorY2 | — | 6.12 |
| Static axial load factorY0 | — | 4.02 |
| 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 |
| Staticangularerrorandmisalignment | — | Yes |
| Dynamicangularerrorandmisalignment | — | Yes |
| Dimensions | ||
| Minimum chamfer dimensionrmin | — | 5 mm |
| Minimum chamfer dimensionrmin | — | 0.197 in |
| Bore diameter outer ringD1 | — | 925.4 mm |
| Bore diameter outer ringD1 | — | 36.433 in |
| Diameter lubrication holeds | — | 8 mm |
| Diameter lubrication holeds | — | 0.315 in |
| Width of lubricating groovens | — | 15 mm |
| Width of lubricating groovens | — | 0.591 in |
| Logistics | ||
| Product net weight | 302.0 kg | — |
| eClass code | 23-05-09-11 | — |
| UNSPSC code | 31171510 | — |
| Main Dimensions & Performance Data | ||
| Basic dynamic load rating, radialCr | — | 4,650,000 N |
| Basic dynamic load rating, radialCr | — | 1,045,413.669 lbf |
| Basic static load rating, radialC0r | — | 14,000,000 N |
| Basic static load rating, radialC0r | — | 3,147,482.014 lbf |
| Fatigue load limit, radialCur | — | 850,000 N |
| Fatigue load limit, radialCur | — | 191,097.122 lbf |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 390345 |
| Base Type | — | 248/800 |
| Old Designation | — | ["248/800B.MB"] |
| Gpsd Group | — | F03 |
| Product Line Id | — | 78 |
| X Life Marking | — | n.r. |
| SAP material number | — | 0190501940000 |
| Base product | — | 2305091131 |
| Bearing X designation | — | 248/800-B-MB |
| Mounting Manager ID | — | 248/800-B-MB |
| Mounting dimensions | ||
| Minimum diameter shaft shoulderda min | — | 818 mm |
| Minimum diameter shaft shoulderda min | — | 32.205 in |
| Maximum diameter of housing shoulderDa max | — | 962 mm |
| Maximum diameter of housing shoulderDa max | — | 37.874 in |
| Maximum recess radiusra max | — | 4 mm |
| Maximum recess radiusra max | — | 0.157 in |
| Performance | ||
| SKF performance class | SKF Explorer | — |
| Product characteristics | ||
| DesignB | — | With fixed central rib |
| Bore typeZ | — | Cylindrical |
| Radial internal clearanceCN (Group N) | — | Normal internal clearance |
| Relubrication feature | With | Standard |
| Product identity | ||
| Official product category | Spherical roller bearings | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/spherical-roller-bearings | — |
| Structure group ID | BS2_001 | — |
| Available from SKF | Yes | — |
| Remanufacturable | Yes | — |
| Product Identity | ||
| Construction | — | Spherical roller bearing 248..-B-MB, symmetric 3 ribs |
| Short Description | — | Spherical Roller Bearing |
| Properties | ||
| Number of rows | 2 | — |
| Locating feature, bearing outer ring | Without | — |
| Bore type | Cylindrical | — |
| Radial internal clearance | CN | — |
| Tolerance class for dimensions | Normal | — |
| Tolerance class for run-out | Normal | — |
| Candidate for remanufacturing | Yes | — |
| Indicative carbon footprint for new product | 1117.0 kg CO 2 e | — |
| Indicative carbon footprint for remanufactured product | 371.0 kg CO 2 e | — |
| Technical Data | ||
| Bore Diameter (D) | — | 800 mm |
| Outside Diamater (D) | — | 980 mm |
| Total Width (B) | — | 180 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 4,650,000 N |
| Basic Static Load Rating, Radial (C0R) | — | 14,000,000 N |
| Diameter Lubrication Hole (Ds) | — | 8 mm |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Minimum Diameter Shaft Shoulder (Da) | — | 818 mm |
| Operating Temperature Max. (Tmax) | — | 200 °C |
| Limiting Speed (Limiting Spe) | — | 540 1/min |
| Reference Speed (Nϑr) | — | 146 1/min |
| Maximum Recess Radius (Ra Max) | — | 4 mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 962 mm |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | — | 0.16 |
| Width Of Lubricating Groove (Ns) | — | 15 mm |
| Dynamic Axial Load Factor (Y1) | — | 4.11 |
| Bore Diameter Outer Ring (D1) | — | 925.4 mm |
| Minimum Chamfer Dimension (Rmin) | — | 5 mm |
| Static Axial Load Factor (Y0) | — | 4.02 |
| Dynamic Axial Load Factor (Y2) | — | 6.12 |
| Fatigue Load Limit, Radial (Cur) | — | 850,000 N |
| 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.