Technical Parameters
Dimensions
| d | 130 mm | Bore diameter |
|---|---|---|
| tΔdmp | 0 – 0.04 mm | Deviation limits of mid-range bore diameter |
| tΔSL | 0 – 0.04 mm | Deviation limits of tapered slope |
| D | 230 mm | Outside diameter |
| tΔDmp | -0.03 – 0 mm | Deviation limits of mid-range outside diameter |
| B | 64 mm | Width |
| tΔBs | -0.08 – 0 mm | Deviation limits of ring width |
| d2 | ≈152 mm | Shoulder diameter of inner ring |
| D1 | ≈201 mm | Shoulder/recess diameter of outer ring |
| b | 11.1 mm | Width of lubrication groove |
| K | 6 mm | Diameter of lubrication hole |
| r1,2 | min.3 mm | Chamfer dimension |
Normal | ISO tolerance class for dimensions |
Abutment dimensions
| Da | max.216 mm | Diameter of housing abutment |
|---|---|---|
| ra | max.2.5 mm | Radius of fillet |
Calculation data
| SKF performance class | SKF Explorer | |
| Basic dynamic load rating | C | 758 kN |
| Basic static load rating | C0 | 930 kN |
| Fatigue load limit | Pu | 88 kN |
| Reference speed | 2 600 r/min | |
| Limiting speed | 3 600 r/min | |
| Limiting value | e | 0.27 |
| Calculation factor | Y1 | 2.5 |
| Calculation factor | Y2 | 3.7 |
| Calculation factor | Y0 | 2.5 |
Tolerances of run-out
| Range of section height at inner ring of assembled bearing | tKia | 8 µm |
|---|---|---|
| Maximum run-out of inner ring side face to the bore | tSd | 10 µm |
| Range of section height at outer ring of assembled bearing | tKea | 15 µm |
| Perpendicularity of outer ring outside surface | tSD | 5.5 µm |
| ISO tolerance class for geometrical tolerances | P5 |
Radial internal clearance
| Minimum initial clearance | 160 µm |
| Maximum initial clearance | 180 µm |
Tolerances and clearances
General bearing specifications
Tolerances: Normal, P6, P5,
tapered bore 1:12, tapered bore 1:30Radial internal clearance: cylindrical bore, tapered bore
Bearing interfaces
Seat tolerances for standard conditions
Tolerances and resultant fit
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Products Description
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.
Accommodate misalignment
High load carrying capacity
Relubrication features
Low friction and long service life
Increased wear resistance
