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1230-M
Self-aligning ball bearing
Self-aligning ball bearing 12..-M, solid brass cage
Replaces
1230M
Main Dimensions & Performance Data
| d | 150 mm | Bore diameter |
| D | 270 mm | Outside diameter |
| B | 54 mm | Width |
| Cr | 180.000 N | Basic dynamic load rating, radial |
| C0r | 87.000 N | Basic static load rating, radial |
| Cur | 3.800 N | Fatigue load limit, radial |
| nG | 3.600 1/min | Limiting speed |
| nϑr | 3.400 1/min | Reference speed |
| ≈m | 14,5 kg | Weight |
Mounting dimensions
| da min | 164 mm | Minimum diameter shaft shoulder |
| Da max | 256 mm | Maximum diameter of housing shoulder |
| ra max | 2,5 mm | Maximum fillet radius |
Dimensions
| rmin | 3 mm | Minimum chamfer dimension |
| D1 | 237,85 mm | Shoulder diameter outer ring |
| d1 | 186,74 mm | Shoulder diameter inner ring |
| C1 | 3,3 mm | Overhang rolling element |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Calculation factors
| e | 0,22 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y1 | 2,91 | Dynamic axial load factor |
| Y2 | 4,51 | Dynamic axial load factor |
| Y0 | 3,05 | Static axial load factor |
All
English
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