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1220-M-C3
Self-aligning ball bearing
Self-aligning ball bearing 12..-M, solid brass cage
Replaces
1220M.C3
Product information
Main Dimensions & Performance Data
| d | 100 mm | Bore diameter |
| D | 180 mm | Outside diameter |
| B | 34 mm | Width |
| Cr | 70.000 N | Basic dynamic load rating, radial |
| C0r | 29.500 N | Basic static load rating, radial |
| Cur | 1.590 N | Fatigue load limit, radial |
| nG | 6.000 1/min | Limiting speed |
| nϑr | 4.500 1/min | Reference speed |
| ≈m | 4 kg | Weight |
Mounting dimensions
| da min | 112 mm | Minimum diameter shaft shoulder |
| Da max | 168 mm | Maximum diameter of housing shoulder |
| ra max | 2,1 mm | Maximum fillet radius |
Dimensions
| rmin | 2,1 mm | Minimum chamfer dimension |
| D1 | 155,2 mm | Shoulder diameter outer ring |
| d1 | 127,3 mm | Shoulder diameter inner ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 150 °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 | 3,58 | Dynamic axial load factor |
| Y2 | 5,53 | Dynamic axial load factor |
| Y0 | 3,75 | Static axial load factor |
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