Spherical roller bearings can accommodate heavy loads in both directions. They are self-aligning and accommodate misalignment and shaft deflections, with virtually no increase in friction or temperature. This variant is optimized for use in continuous casters in the metals industry. The design includes features to facilitate relubrication. The bearings are developed for very slow rotation speed.
| Bore type | Cylindrical |
| d | 150 mm | Bore diameter |
|---|---|---|
| tΔdmp | -0.025 – 0.0 mm | Deviation limits of mid-range bore diameter |
| D | 225 mm | Outside diameter |
| tΔDmp | -0.03 – 0.0 mm | Deviation limits of mid-range outside diameter |
| B | 56 mm | Width |
| tΔBs | -0.08 – 0.0 mm | Deviation limits of ring width |
| d2 | ≈ 169 mm | Shoulder diameter of inner ring |
| D1 | ≈ 203 mm | Shoulder/recess diameter of outer ring |
| b | 8.3 mm | Width of lubrication groove |
| K | 4.5 mm | Diameter of lubrication hole |
| r1,2 | min. 2.1 mm | Chamfer dimension |
Normal | ISO tolerance class for dimensions |
| da | min. 161 mm | Diameter of shaft abutment |
|---|---|---|
| Da | max. 214 mm | Diameter of housing abutment |
| ra | max. 2 mm | Radius of fillet |
| Basic static load rating | C0 | 750 kN |
|---|---|---|
| Limiting speed | 20 r/min | |
| Calculation factor | Y0 | 2.8 |
| Range of section height at inner ring of assembled bearing | tKia | 30 µm |
|---|---|---|
| Range of section height at outer ring of assembled bearing | tKea | 50 µm |
| ISO tolerance class for geoal tolerances | Normal |
| Minimum initial clearance | 220 µm |
| Maximum initial clearance | 280 µm |
General bearing specifications
Bearing interfaces
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