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248/950-MB
Spherical Roller Bearing
Spherical roller bearing 248..-MB, symmetrical, 3 boards
Main Dimensions & Performance Data
| d | 950 mm | Bore diameter |
| D | 1,150 mm | Outside diameter |
| B | 200 mm | Width |
| Cr | 5,700,000 N | Basic dynamic load rating, radial |
| C0r | 18,500,000 N | Basic static load rating, radial |
| Cur | 1,060,000 N | Fatigue load limit, radial |
| nG | 430 1/min | Limiting speed |
| nϑr | 114 1/min | Reference speed |
| ≈m | 431 kg | Weight |
Mounting dimensions
| da min | 968 mm | Minimum diameter shaft shoulder |
| Da max | 1,132 mm | Maximum diameter of housing shoulder |
| ra max | 4 mm | Maximum recess radius |
Dimensions
| rmin | 5 mm | Minimum chamfer dimension |
| D1 | 1,087.1 mm | Bore diameter outer ring |
| ds | 8 mm | Diameter lubrication hole |
| ns | 15 mm | Width of lubricating groove |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Calculation factors
| e | 0.15 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y1 | 4.4 | Dynamic axial load factor |
| Y2 | 6.56 | Dynamic axial load factor |
| Y0 | 4.31 | Static axial load factor |
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