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23980-B-MB-J30PC
Spherical Roller Bearing
Spherical roller bearing 239..-B-MB, symmetric 3 ribs
Main Dimensions & Performance Data
| d | 400 mm | Bore diameter |
| D | 540 mm | Outside diameter |
| B | 106 mm | Width |
| Cr | 1,830,000 N | Basic dynamic load rating, radial |
| C0r | 4,150,000 N | Basic static load rating, radial |
| Cur | 280,000 N | Fatigue load limit, radial |
| nG | 1,290 1/min | Limiting speed |
| nϑr | 710 1/min | Reference speed |
| ≈m | 72 kg | Weight |
Mounting dimensions
| da min | 414.6 mm | Minimum diameter shaft shoulder |
| Da max | 525.4 mm | Maximum diameter of housing shoulder |
| ra max | 3 mm | Maximum recess radius |
Dimensions
| rmin | 4 mm | Minimum chamfer dimension |
| D1 | 499 mm | Bore diameter outer ring |
| ds | 9.5 mm | Diameter lubrication hole |
| ns | 17.7 mm | Width of lubricating groove |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Calculation factors
| e | 0.18 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y1 | 3.71 | Dynamic axial load factor |
| Y2 | 5.52 | Dynamic axial load factor |
| Y0 | 3.63 | Static axial load factor |
Downloads:
Your current product variant
| Design | B | With fixed central rib |
| Bore type | Z | Cylindrical |
| Cage | MB | Solid brass cage |
| Radial internal clearance | CN (Group N) | Normal internal clearance |
| Relubrication feature | Standard |
Characteristics
All
English
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