Four-row cylindrical roller bearings are designed to accommodate very heavy radial loads in combination with medium to high speeds. The bearings are optimized for operating conditions typically found in long product mills, where they can provide increased performance and reduced total cost of ownership. Different design combinations of outer rings, inner rings, flange rings, etc. are available to fulfil different application demands. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.
| This bearing can replace |
BC2B 322340/HB1VJ202
|
| SKF performance class |
SKF Explorer
|
| Design variant/feature |
BC4.7/W33
|
| Bore type |
Cylindrical
|
| d |
170 mm
|
Bore diameter |
|---|---|---|
| D |
230 mm
|
Outside diameter |
| B |
160 mm
|
Total bearing width over inner ring(s) |
| C |
160 mm
|
Total bearing width over outer ring(s) |
| D1 |
≈ 211.5 mm
|
Outer ring shoulder diameter |
| F |
185.5 mm
|
Raceway diameter inner ring |
| b |
6 mm
|
Width of annular groove |
| K |
3.5 mm
|
Diameter lubrication hole (outer ring) |
| r1,2 |
min. 2 mm
|
Corner radius/chamfer inner ring |
| r3,4 |
min. 2 mm
|
Chamfer dimension on the outer ring |
| s |
2 mm
|
Permissible axial displacement from the normal position of one bearing ring relative to the other |
| Basic dynamic load rating | C |
1 370 kN
|
|---|---|---|
| Basic static load rating | C0 |
2 360 kN
|
| Fatigue load limit | Pu |
255 kN
|
| Mass bearing |
18.3 kg
|
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