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61844-MA
Deep groove ball bearing
Deep groove ball bearing 618..-MA, single row, solid brass cage
Replaces
61844MA
Product information
Main Dimensions & Performance Data
| d | 220 mm | Bore diameter |
| D | 270 mm | Outside diameter |
| B | 24 mm | Width |
| Cr | 78,000 N | Basic dynamic load rating, radial |
| C0r | 97,000 N | Basic static load rating, radial |
| Cur | 3,650 N | Fatigue load limit, radial |
| nG | 4,150 1/min | Limiting speed |
| nϑr | 2,320 1/min | Reference speed |
| ≈m | 2.97 kg | Weight |
Mounting dimensions
| da min | 227 mm | Minimum diameter shaft shoulder |
| Da max | 263 mm | Maximum diameter of housing shoulder |
| ra max | 1.5 mm | Maximum fillet radius |
Dimensions
| rmin | 1.5 mm | Minimum chamfer dimension |
| D1 | 255 mm | Shoulder diameter outer ring |
| d1 | 235.85 mm | Shoulder diameter inner ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Calculation factors
| f0 | 15.8 | Calculation factor |