Double row cylindrical roller bearings are designed to accommodate high to very high radial loads in combination with medium to high speeds. The SKF assortment includes many designs and variants, such as standard and full complement bearings and also greased and sealed bearings. Depending on the configuration of the outer and inner rings, the bearings are available in locating as well as non-locating designs.
| d |
240 mm
|
Bore diameter |
|---|---|---|
| D |
320 mm
|
Outside diameter |
| B |
80 mm
|
Width |
| d1 |
≈ 271 mm
|
Shoulder diameter inner ring |
| D1 |
≈ 291 mm
|
Shoulder diameter outer ring |
| b1 |
8 mm
|
Width annular lubrication groove outer ring |
| K |
4 mm
|
Diameter lubrication hole (outer ring) |
| r1,2 |
min. 2.1 mm
|
Chamfer dimension (open bearings) |
| da |
min. 251 mm
|
Abutment diameter shaft |
|---|---|---|
| das |
261 mm
|
Abutment diameter shaft |
| Da |
max. 308 mm
|
Abutment diameter housing |
| ra |
max. 2 mm
|
Fillet radius |
| Basic dynamic load rating | C |
781 kN
|
|---|---|---|
| Basic static load rating | C0 |
1 760 kN
|
| Fatigue load limit | Pu |
173 kN
|
| Reference speed |
850 r/min
|
|
| Limiting speed |
1 100 r/min
|
|
| Minimum load factor | kr |
0.25
|
| Mass bearing |
18.5 kg
|
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