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Single Row Cylindrical Roller Bearing – NU 311 ECP
The NU 311 ECP cylindrical roller bearing provides high radial load capacity, low friction, and reliable high-speed performance. Its NU design enables axial displacement in both directions with a separable construction for easier mounting and maintenance.
Original price was: $85.23.$80.77Current price is: $80.77.
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Description
The NU 311 ECP is a high-quality single row cylindrical roller bearing engineered for durability, efficiency, and smooth operation. Its NU design, with two flanges on the outer ring and none on the inner ring, accommodates axial displacement in both directions, making it ideal for managing thermal expansion and shaft movement.
The separable construction allows easy installation, removal, and interchangeability of components, reducing downtime and simplifying maintenance. A lightweight non-metallic cage minimizes friction, reduces noise, and supports reliable high-speed operation. Enhanced by SKF Explorer performance class technology, the NU 311 ECP ensures optimized load distribution, reduced wear, and an extended service life.
Designed for demanding applications, this bearing is widely used in gearboxes, compressors, electric motors, and other heavy-duty industrial machinery where dependable and low-maintenance performance is essential.
Specifications:
| Feature | Value |
|---|---|
| Part Number | NU 311 ECP |
| Bearing Type | Cylindrical roller bearing |
| Design | NU design |
| Bore Diameter | 55 mm |
| Outside Diameter | 120 mm |
| Width | 29 mm |
| Basic Dynamic Load Rating | 156 kN |
| Basic Static Load Rating | 143 kN |
| Reference Speed | 6,000 r/min |
| Limiting Speed | 7,000 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 | Non-metallic |
| Number of Flanges (Outer Ring) | 2 |
| Number of Flanges (Inner Ring) | 0 |
| Loose Flange | None |
| Radial Internal Clearance | CN |
| Tolerance Class | Normal |
| Material | Bearing steel |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication Feature | Without |
| Carbon Footprint | 5.17 kg CO2e |
| Product Net Weight | 1.43 kg |
| eClass Code | 23-05-09-01 |
| UNSPSC Code | 31171505 |
Additional information
| Weight | 1.43 kg |
|---|
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