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. The design includes features to facilitate relubrication. The bearings can be used in a modular system, including housings, sleeves and nuts.
| Bore type | Cylindrical |
| d | 800 mm | Bore diameter |
|---|---|---|
| tΔdmp | -0.075 – 0.0 mm | Deviation limits of mid-range bore diameter |
| D | 1 060 mm | Outside diameter |
| tΔDmp | -0.125 – 0.0 mm | Deviation limits of mid-range outside diameter |
| B | 258 mm | Width |
| tΔBs | -0.75 – 0.0 mm | Deviation limits of ring width |
| d2 | ≈ 887 mm | Shoulder diameter of inner ring |
| D1 | ≈ 973 mm | Shoulder/recess diameter of outer ring |
| b | 22.3 mm | Width of lubrication groove |
| K | 12 mm | Diameter of lubrication hole |
| r1,2 | min. 6 mm | Chamfer dimension |
Normal | ISO tolerance class for dimensions |
| da | min. 823 mm | Diameter of shaft abutment |
|---|---|---|
| Da | max. 1 037 mm | Diameter of housing abutment |
| ra | max. 5 mm | Radius of fillet |
| AKMI performance class | AKMI Explorer | |
| Basic dynamic load rating | C | 8 136 kN |
| Basic static load rating | C0 | 19 300 kN |
| Fatigue load limit | Pu | 1 060 kN |
| Reference speed | 240 r/min | |
| Limiting speed | 430 r/min | |
| Limiting value | e | 0.21 |
| Calculation factor | Y1 | 3.2 |
| Calculation factor | Y2 | 4.8 |
| Calculation factor | Y0 | 3.2 |
| Range of section height at inner ring of assembled bearing | tKia | 80 µm |
|---|---|---|
| Range of section height at outer ring of assembled bearing | tKea | 160 µm |
| ISO tolerance class for geoal tolerances | Normal |
| Minimum initial clearance | 390 µm |
| Maximum initial clearance | 580 µm |
General bearing specifications
Bearing interfaces
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