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 |
60 mm
|
Bore diameter |
|---|---|---|
| D |
85 mm
|
Outside diameter |
| B |
25 mm
|
Width |
| d1 |
≈ 70.5 mm
|
Shoulder diameter inner ring |
| D1 |
≈ 73.5 mm
|
Shoulder diameter outer ring |
| b1 |
4.5 mm
|
Width annular lubrication groove outer ring |
| K |
3.5 mm
|
Diameter lubrication hole (outer ring) |
| r1,2 |
min. 1 mm
|
Chamfer dimension (open bearings) |
| da |
min. 64.7 mm
|
Abutment diameter shaft |
|---|---|---|
| das |
67.6 mm
|
Abutment diameter shaft |
| Da |
max. 80.5 mm
|
Abutment diameter housing |
| ra |
max. 1 mm
|
Fillet radius |
| Basic dynamic load rating | C |
78.1 kN
|
|---|---|---|
| Basic static load rating | C0 |
137 kN
|
| Fatigue load limit | Pu |
14.3 kN
|
| Reference speed |
3 600 r/min
|
|
| Limiting speed |
4 500 r/min
|
|
| Minimum load factor | kr |
0.25
|
| Mass bearing |
0.49 kg
|
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