SKF
BearingNNU 4984 B/SPW33
Super-precision double row cylindrical roller bearing with lubrication feature
Specifications
| Bore (d) | 420.000 mm |
| Outer Diameter (D) | 560.000 mm |
| Width (B) | 140.000 mm |
| Seal Type | Open |
| Bearing Type | cylindrical |
| Dynamic Load (C) | 1510.000 kN |
| Static Load (C₀) | 4000.000 kN |
| Speed — Grease | — |
| Speed — Oil | — |
| Temperature Range | -30°C to 120°C |
| Rows | 1 |
Super-precision double row cylindrical roller bearings in the NNU 49 series are designed to accommodate heavy radial loads and high speeds, while providing a high degree of stiffness. Having three flanges on the outer ring and no flanges on the inner ring, the bearings can accommodate axial displacement in both directions. The separable design simplifies mounting and dismounting, particularly when load conditions require both rings to have an interference fit.
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