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 |
220 mm
|
Bore diameter |
|---|---|---|
| D |
270 mm
|
Outside diameter |
| B |
50 mm
|
Width |
| d1 |
≈ 241 mm
|
Shoulder diameter inner ring |
| D1 |
≈ 250.5 mm
|
Shoulder diameter outer ring |
| b1 |
7 mm
|
Width annular lubrication groove outer ring |
| K |
4 mm
|
Diameter lubrication hole (outer ring) |
| r1,2 |
min. 1.5 mm
|
Chamfer dimension (open bearings) |
| da |
min. 227 mm
|
Abutment diameter shaft |
|---|---|---|
| das |
233 mm
|
Abutment diameter shaft |
| Da |
max. 263 mm
|
Abutment diameter housing |
| ra |
max. 1.5 mm
|
Fillet radius |
| Basic dynamic load rating | C |
352 kN
|
|---|---|---|
| Basic static load rating | C0 |
865 kN
|
| Fatigue load limit | Pu |
85 kN
|
| Reference speed |
1 000 r/min
|
|
| Limiting speed |
1 200 r/min
|
|
| Minimum load factor | kr |
0.2
|
| Mass bearing |
6.4 kg
|
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