Select a different country or region to see content for your location.
United States
20:01:41 GMT+0000 (Coordinated Universal Time)
61856-MA
Deep groove ball bearing
Deep groove ball bearing 618..-MA, single row, solid brass cage
Replaces
61856MA
Product information
Main Dimensions & Performance Data
| d | 280 mm | Bore diameter |
| D | 350 mm | Outside diameter |
| B | 33 mm | Width |
| Cr | 129,000 N | Basic dynamic load rating, radial |
| C0r | 176,000 N | Basic static load rating, radial |
| Cur | 5,900 N | Fatigue load limit, radial |
| nG | 3,150 1/min | Limiting speed |
| nϑr | 1,950 1/min | Reference speed |
| ≈m | 7.706 kg | Weight |
Mounting dimensions
| da min | 288.8 mm | Minimum diameter shaft shoulder |
| Da max | 341.2 mm | Maximum diameter of housing shoulder |
| ra max | 2 mm | Maximum fillet radius |
Dimensions
| rmin | 2 mm | Minimum chamfer dimension |
| D1 | 328.9 mm | Shoulder diameter outer ring |
| d1 | 303.1 mm | Shoulder diameter inner ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Calculation factors
| f0 | 16 | Calculation factor |