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 |
300 mm
|
Bore diameter |
|---|---|---|
| D |
420 mm
|
Outside diameter |
| B |
118 mm
|
Width |
| d1 |
≈ 341 mm
|
Shoulder diameter inner ring |
| D1 |
≈ 374 mm
|
Shoulder diameter outer ring |
| b1 |
9.4 mm
|
Width annular lubrication groove outer ring |
| K |
5 mm
|
Diameter lubrication hole (outer ring) |
| r1,2 |
min. 3 mm
|
Chamfer dimension (open bearings) |
| da |
min. 315 mm
|
Abutment diameter shaft |
|---|---|---|
| das |
328 mm
|
Abutment diameter shaft |
| Da |
max. 406 mm
|
Abutment diameter housing |
| ra |
max. 2.5 mm
|
Fillet radius |
| Basic dynamic load rating | C |
1 680 kN
|
|---|---|---|
| Basic static load rating | C0 |
3 750 kN
|
| Fatigue load limit | Pu |
355 kN
|
| Reference speed |
670 r/min
|
|
| Limiting speed |
800 r/min
|
|
| Minimum load factor | kr |
0.25
|
| Mass bearing |
53 kg
|
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