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| Parameter | SKF249/750 CA/W33750 × 1000 × 250 mm | FAG249/750-B-MB750 × 1000 × 250 mm | TIMKEN249/750YMBW33W45AC3750 × 1000 × 250 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | TIMKEN |
| Designation | 249/750 CA/W33 | 249/750-B-MB | 249/750YMBW33W45AC3 |
| Product family | Spherical roller bearings | — | Radial SRB |
| Detailed type | Spherical roller bearing with relubrication features | Spherical roller bearings | Spherical roller bearings |
| Series | — | 249/750 | NSS-630833 |
| Bore diameterd | 750 mm | 750 mm | 750 mm |
| Outside diameterD | 1000 mm | 1000 mm | 1000 mm |
| WidthB | 250 mm | 250 mm | 250 mm |
| Basic dynamic load ratingC | 7699 kN | 7200 kN | 7030 kN |
| Basic static load ratingC0 | 18000 kN | 18900 kN | 17000 kN |
| Fatigue load limitPu | 1100 kN | 1200 kN | — |
| Reference speednref | 260 r/min | 143 r/min | — |
| Limiting speednG | 480 r/min | 510 r/min | — |
| Mass≈m | 560 kg | 553.8 kg | 541.89 kg |
| Precision class | Normal | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — |
| Sealing | Without | — | Open |
| Cage | Machined brass | MB — Solid brass cage | Brass cage |
| Lubricant | None | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — |
| Maximum operating temperatureTmax | — | 200 °C | — |
| Calculation Factors | |||
| K Factor | — | — | 0.00 |
| Y1 Factor | — | — | 3.31 |
| Y2 Factor | — | — | 4.92 |
| Y0 Factor | — | — | 3.23 |
| E Factor | — | — | 0.20 |
| Cg Factor | — | — | 0.1306 |
| Calculation factors | |||
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye | — | 0.22 | — |
| Dynamic axial load factorY1 | — | 3.1 | — |
| Dynamic axial load factorY2 | — | 4.62 | — |
| Static axial load factorY0 | — | 3.03 | — |
| 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 | — | 6 mm | — |
| Minimum chamfer dimensionrmin | — | 0.236 in | — |
| Bore diameter outer ringD1 | — | 921.7 mm | — |
| Bore diameter outer ringD1 | — | 36.287 in | — |
| Diameter lubrication holeds | — | 12.5 mm | — |
| Diameter lubrication holeds | — | 0.492 in | — |
| Width of lubricating groovens | — | 23.5 mm | — |
| Width of lubricating groovens | — | 0.925 in | — |
| Engineering — Abutment dimensions | |||
| Diameter of shaft abutmentd a | min. 773 mm | — | — |
| Diameter of housing abutmentD a | max. 977 mm | — | — |
| Radius of filletr a | max. 5 mm | — | — |
| Engineering — Calculation data | |||
| SKF performance class | SKF Explorer | — | — |
| Limiting valuee | 0.22 | — | — |
| Calculation factorY 1 | 3 | — | — |
| Calculation factorY 2 | 4.6 | — | — |
| Calculation factorY 0 | 2.8 | — | — |
| Engineering — Dimensions | |||
| Deviation limits of mid-range bore diametert Δdmp | -0.075 to 0 mm | — | — |
| Deviation limits of mid-range outside diametert ΔDmp | -0.1 to 0 mm | — | — |
| Deviation limits of ring widtht ΔBs | -0.75 to 0 mm | — | — |
| Shoulder diameter of inner ringd 2 | ≈ 830 mm | — | — |
| Shoulder/recess diameter of outer ringD 1 | ≈ 916 mm | — | — |
| Width of lubrication grooveb | 22.3 mm | — | — |
| Diameter of lubrication holeK | 12 mm | — | — |
| Chamfer dimensionr 1,2 | min. 6 mm | — | — |
| ISO tolerance class for dimensions | Normal | — | — |
| Engineering — Engineering specifications | |||
| Bore type | Cylindrical | — | — |
| Engineering — Radial internal clearance | |||
| Minimum initial clearance | 390 µm | — | — |
| Maximum initial clearance | 580 µm | — | — |
| Engineering — Tolerances of run-out | |||
| Range of section height at inner ring of assembled bearingt Kia | 80 µm | — | — |
| Range of section height at outer ring of assembled bearingt Kea | 140 µm | — | — |
| ISO tolerance class for geometrical tolerances | Normal | — | — |
| Logistics | |||
| Product net weight | 560.0 kg | — | — |
| eClass code | 23-05-09-11 | — | — |
| UNSPSC code | 31171510 | — | — |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 7,200,000 N | — |
| Basic dynamic load rating, radialCr | — | 1,618,705.036 lbf | — |
| Basic static load rating, radialC0r | — | 18,900,000 N | — |
| Basic static load rating, radialC0r | — | 4,249,100.719 lbf | — |
| Fatigue load limit, radialCur | — | 1,200,000 N | — |
| Fatigue load limit, radialCur | — | 269,784.173 lbf | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 1537656 | — |
| Material Number | — | — | 000000000190051901 |
| Base Type | — | 249/750 | — |
| World Assembly Part Number | — | — | 249/750YMBW33W45A |
| Gpsd Group | — | F03 | — |
| Inner Ring Part Number | — | — | 750ASDY49 |
| Product Line Id | — | 78 | — |
| Outer Ring Part Number | — | — | 750ESDC49W33W45 |
| X Life Marking | — | n.r. | — |
| Drawing Number | — | — | M957220 |
| Upc | — | — | 0087796370791 |
| Official Source System | — | — | CORE BP - DS DF |
| Official Last Run | — | — | 2026-08-23T20:02:47.927 |
| SAP material number | — | 0850270300000 | — |
| Base product | — | 2305091131 | — |
| Bearing X designation | — | 249/750-B-MB | — |
| Mounting Manager ID | — | 249/750-B-MB | — |
| Mounting dimensions | |||
| Minimum diameter shaft shoulderda min | — | 773 mm | — |
| Minimum diameter shaft shoulderda min | — | 30.433 in | — |
| Maximum diameter of housing shoulderDa max | — | 977 mm | — |
| Maximum diameter of housing shoulderDa max | — | 38.465 in | — |
| Maximum recess radiusra max | — | 5 mm | — |
| Maximum recess radiusra max | — | 0.197 in | — |
| 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 249..-B-MB, symmetric 3 ribs | Spherical Roller Bearing | Imperial Series | 29.5276 in Bore | 39.3701 in OD | 9.8425 in Width | Open | Cylindrical Bore | Brass Cage | C3 Clearance | Bearing contains application features |
| Short Description | — | Spherical Roller Bearing | — |
| Type Description | — | — | Radial SRB |
| Number Of Rows | 2 | — | 2 |
| Tapered Bore | — | — | N |
| Properties | |||
| Locating feature, bearing outer ring | Without | — | — |
| 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 | 2072.0 kg CO 2 e | — | — |
| Indicative carbon footprint for remanufactured product | 689.0 kg CO 2 e | — | — |
| Technical Data | |||
| Bore Diameter (D) | — | 750 mm | — |
| Outside Diamater (D) | — | 1,000 mm | — |
| Overall Width | — | — | 0.000 mm |
| Total Width (B) | — | 250 mm | — |
| Radial Rating | — | — | 7,030,000 N |
| Basic Dynamic Load Rating, Radial (Cr) | — | 7,200,000 N | — |
| Axial Rating | — | — | 0 N |
| Basic Static Load Rating, Radial (C0R) | — | 18,900,000 N | — |
| Dynamic Rating C1 | — | — | 7,030,000 N |
| Diameter Lubrication Hole (Ds) | — | 12.5 mm | — |
| Dynamic Rating C90 | — | — | 0 N |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N |
| Minimum Diameter Shaft Shoulder (Da) | — | 773 mm | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N |
| Operating Temperature Max. (Tmax) | — | 200 °C | — |
| Static Radial Rating C0 | — | — | 17,000,000 N |
| Limiting Speed (Limiting Spe) | — | 510 1/min | — |
| Extended Dynamic Rating Ce | — | — | 0 N |
| Reference Speed (Nϑr) | — | 143 1/min | — |
| Static Axial Rating C0A | — | — | 0 N |
| Maximum Recess Radius (Ra Max) | — | 5 mm | — |
| Maximum Diameter Of Housing Shoulder (Da) | — | 977 mm | — |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | — | 0.22 | — |
| Width Of Lubricating Groove (Ns) | — | 23.5 mm | — |
| Dynamic Axial Load Factor (Y1) | — | 3.1 | — |
| Bore Diameter Outer Ring (D1) | — | 921.7 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 6 mm | — |
| Static Axial Load Factor (Y0) | — | 3.03 | — |
| Dynamic Axial Load Factor (Y2) | — | 4.62 | — |
| Fatigue Load Limit, Radial (Cur) | — | 1,200,000 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.