Description
The NU 315 ECJ is a single row cylindrical roller bearing built to carry heavy radial loads while delivering reliable high-speed performance. With two integral flanges on the outer ring and none on the inner ring, the NU design permits axial displacement of the shaft in both directions, making it ideal for applications where thermal expansion or misalignment must be managed.
Its separable design allows easier mounting, dismounting, and interchangeability of components, minimizing downtime and simplifying maintenance. The steel cage enhances strength and stability, ensuring dependable operation even under demanding loads and conditions.
As part of the SKF Explorer class, the NU 315 ECJ benefits from optimized internal geometry and high-quality materials, resulting in greater load capacity, lower friction, and extended service life. It is widely used in gearboxes, compressors, pumps, electric motors, and heavy-duty industrial machinery requiring durable, efficient, and consistent performance.
Specifications:
| Feature | Specification |
|---|---|
| Part Number | NU 315 ECJ |
| Bearing Type | Cylindrical roller bearing |
| Design | Single row, NU design |
| Bore Diameter | 75 mm |
| Outside Diameter | 160 mm |
| Width | 37 mm |
| Basic Dynamic Load Rating | 280 kN |
| Basic Static Load Rating | 265 kN |
| Reference Speed | 4,500 r/min |
| Limiting Speed | 5,300 r/min |
| SKF Performance Class | SKF Explorer |
| Number of Rows | 1 |
| Axial Displacement Capability | In both directions |
| Locating Feature (Outer Ring) | Without |
| Bore Type | Cylindrical |
| Cage Material | Sheet metal (steel) |
| Number of Flanges, Outer Ring | 2 |
| Number of Flanges, Inner Ring | 0 |
| Loose Flange | None |
| Radial Internal Clearance | CN |
| Tolerance Class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication Feature | Without |
| Carbon Footprint | 11.7 kg CO₂e |
| Product Net Weight | 3.24 kg |
| eClass Code | 23-05-09-01 |
| UNSPSC Code | 31171505 |
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