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249/710-B-K30-MB
Spherical Roller Bearing
Spherical roller bearing 249..-B-K30-MB, symmetric 3 ribs
Main Dimensions & Performance Data
| d | 710 mm | Bore diameter |
| D | 950 mm | Outside diameter |
| B | 243 mm | Width |
| Cr | 6.600.000 N | Basic dynamic load rating, radial |
| C0r | 16.900.000 N | Basic static load rating, radial |
| Cur | 1.080.000 N | Fatigue load limit, radial |
| nG | 550 1/min | Limiting speed |
| nϑr | 159 1/min | Reference speed |
| ≈m | 483,8 kg | Weight |
Mounting dimensions
| da min | 733 mm | Minimum diameter shaft shoulder |
| Da max | 927 mm | Maximum diameter of housing shoulder |
| ra max | 5 mm | Maximum recess radius |
Dimensions
| rmin | 6 mm | Minimum chamfer dimension |
| D1 | 871,7 mm | Bore diameter outer ring |
| ds | 12,5 mm | Diameter lubrication hole |
| ns | 23,5 mm | Width of lubricating groove |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Calculation factors
| e | 0,24 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y1 | 2,81 | Dynamic axial load factor |
| Y2 | 4,19 | Dynamic axial load factor |
| Y0 | 2,75 | Static axial load factor |
All
English
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