INA Rna/Na 4920 Needle Roller Bearing
INA RNA/NA 4920 Needle Roller Bearing
The INA RNA/NA 4920 needle roller bearing is designed for high radial load capacity and compact installation space in demanding industrial applications.
Manufacturer: INA
Type: Needle Roller Bearing
Model: RNA/NA 4920
Suitable for heavy-duty industrial machinery, gearboxes, and high-load mechanical systems.
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| Bore Diameter (d) | 100 mm |
| Outer Diameter (D) | 140 mm |
| Width | 40 mm |
| Dynamic Load Rating | 144,000 N |
| Static Load Rating | 270,000 N |
| Fatigue Load Limit | 46,000 N |
| Limiting Speed | 4,000 1/min |
| Reference Speed | 2,550 1/min |
