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23944-S-K-MB
Spherical Roller Bearing
Spherical roller bearings 239..-K, main dimensions to DIN 635-2, with tapered bore, taper 1:12
Replaces
23944SK.MB
Product information
Main Dimensions & Performance Data
| d | 220 mm | Bore diameter |
| D | 300 mm | Outside diameter |
| B | 60 mm | Width |
| Cr | 610,000 N | Basic dynamic load rating, radial |
| C0r | 1,240,000 N | Basic static load rating, radial |
| Cur | 74,000 N | Fatigue load limit, radial |
| nG | 2,600 1/min | Limiting speed |
| nϑr | 1,460 1/min | Reference speed |
| ≈m | 12.02 kg | Weight |
Mounting dimensions
| da min | 230.2 mm | Minimum diameter shaft shoulder |
| Da max | 289.8 mm | Maximum diameter of housing shoulder |
| ra max | 2.1 mm | Maximum recess radius |
| da max | 241 mm | Maximum diameter of shaft shoulder |
| db min | 230 mm | Minimum cavity diameter of the sleeve |
| Ba min | 9 mm | Minimum cavity width of the sleeve |
Dimensions
| rmin | 2.1 mm | Minimum chamfer dimension |
| D1 | 277.4 mm | Bore diameter outer ring |
| ds | 6.3 mm | Diameter lubrication hole |
| ns | 12.2 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 | 3.76 | Dynamic axial load factor |
| Y2 | 5.59 | Dynamic axial load factor |
| Y0 | 3.67 | Static axial load factor |
Additional information
H3944 | Adapter sleeve | |
AH3944 | Withdrawal sleeve |